Tag Archives: aluminum shaft

China GV aluminum alloy universal joint coupling angle deviation large torque stepping servo motor screw elastic coupling dimple shaft for set screw

Warranty: 3 years
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Retail, Construction works , Energy & Mining
Customized support: OEM, ODM
Structure: Other
Flexible or Rigid: Flexible
Standard or Nonstandard: Standard
Material: Aluminium, 6061 Aluminium Alloy Surface anodizing
Province: ZheJiang province, Non-standard SB208 insert ball bearing Hybrid Si3N4 ceramic SB208 5080
Model: GV
City: HangZhou

  • Model: GVSeries:Universal Joint Coupling SeriesLength: 26~46mmOutside diameter: 36~56 mmBore:4~24mmApplication:Servo, progressive motor, universal motor connection Company Introduction Related Products FAQ Q: What’re your main products?A: We currently produce Jaw Coupling, Disc Coupling, Diaphragm Coupling,Bellow Coupling, Servos motor kit 6N.M 1.8KW 3000RPM Cnc servos 110ST-M06030 ac Servo Motor for cnc milling machine Encoder coupling, Parallel Line Coupling etc. You can check the specifications for above coupling on our website and you can email us to recommend needed couplings per your specification too.Q: How to select a suitable coupling?A: If you have coupling picture or drawings to show us, or you have detailed specs like speed, torque, coupling size etc,please do not hesitate to let us know, then we can recommend suitable coupling per your request accordingly.Q: Do you have a customize service for your standard couplings?A: Yes, Agricultural machine tractor pto drive shaft overrunningoverrunratchetfriction clutchtorque limiter parts we can customize per your request for the speed, torque, shaft size,shape.Q: Do you have an individual design service for coupling?A: Yes, we would like to design couplings individually for our customers,but it may need some mold developing cost and design charge.Q: What is your leadtime?A: Generally speaking, our regular stadard product are ship from stock.Customize products leadtime for production about 7-12 days. But we are very flexible on the lead time, Semi Truck Trailer Parts Rear Axle 13ton 16ton American CZPT Type Axle with Inboard and Outboard it will depand on the specific orders.

    screwshaft

    Screw Shaft Types

    If you’re looking for a screw shaft, but aren’t sure which type to buy, you’re in luck. In this article, we’ll talk about the different types, including Threaded shank, Round head, and Machined. Once you’ve read it, you’ll know which type to buy. Then, you can decide whether you want a ball screw nut or a threaded shank.

    Machined screw shafts

    Besides the standard stainless steel shaft, manufacturers also provide a variety of other materials, such as titanium, bronze, and brass. In addition to stainless steel, manufacturers also provide a variety of top-coating options, including zinc, brass, and chromium. Aluminum screws are not particularly durable and are easily affected by weather. Most screw shafts feature self-locking mechanisms. They are especially useful in C-clamps, vises, and screw-top container lids.
    For applications where accuracy is vital, a ball screw shaft needs to be annealed. A heat treatment can be performed on the ball screw shaft to ensure that both ends are heated evenly. In this process, the shaft will be more durable, while maintaining its high-precision properties. These screw shafts are a key component in computer-controlled motion-control systems, wire bonding, and other industries that require high-precision and high-quality performance.
    Depending on the material used, screw shafts can be made of stainless steel or titanium. High-precision CNC machines and lathes are typically used to manufacture screw shafts. Various shapes and sizes are available, each with a specific application. Whether you need a small or large screw, you can find one to fit your needs. And since each size requires a different material, your choice of material is important as well.
    In general, the materials used for machining screw shafts are steel, stainless steel, titanium, brass, bronze, and aluminum. Metals that resist corrosion are also commonly used. Other materials for screw shafts are Teflon, nylon, and nylon. You can also find threaded screw shafts in materials such as porcelain, glass, and ceramic. If you want to use your screws in a unique material, consider purchasing a customized one.

    Ball screw nuts

    If you have a screw shaft, the last thing you want to worry about is the ball nut slipping off. To prevent this, you can place a temporary stop in the shaft’s grooves to ensure that the ball nut does not slide off. When you remove the stop, you can then install the ball screw nut. But, before you can install the ball screw nut, you have to make sure that you have a good grip on the shaft.
    When selecting ball screw nuts, it’s important to consider how much preload you need to apply to avoid excessive backlash. Preloading eliminates this problem by making the ball nut compact. It also prevents backlash, which is lost motion caused by clearance between the ball and nut. Backlash disrupts repeatability and accuracy. This is where spacer preloading comes in. You can insert a spacer between the two ball nuts to transmit the force to the nut. However, you should keep in mind that this method reduces the load capacity of the ball screw.
    The critical speed of a screw is the maximum rotating speed before it whips. This critical speed is influenced by several factors, including the diameter of the screw shaft, the number of support elements, and the material. By adjusting these factors, you can reduce the number of components used and the amount of time it takes to assemble the screw shaft. In addition, you can also reduce the number of components and avoid stacking tolerances. However, the critical speed of plastic nuts is limited due to sliding friction.
    The ball screw nut has several characteristics that make it unique. Its most prominent feature is the presence of ball bearings. These balls help reduce friction between the screw nut and the shaft. Without ball bearings, the friction would be too high to function properly. Another important characteristic is the groove profile of the nut and ball. These two features ensure that the ball and the nut meet at two points. You’ll be amazed by the results of the work of these ball screw nuts.
    screwshaft

    Threaded shank

    Wood screws are usually not fully threaded because the shank has an unthreaded portion at the top. This shoulder part forces the screw to compress two pieces of wood, which prevents the screw from overheating and compromising the materials strength. As the screw is threaded partially up, it is not as difficult to remove as a fully threaded screw. However, it is important to note that a wood screw will not hold as tightly as one with a fully threaded shank.
    In addition to being universal, screw threads can be of different sizes. For example, a M8 screw has a thread pitch of 1.25 mm. To avoid confusion, screw thread pitches are commonly given with a multiplication sign. For example, M8x1 means that the screw is eight mm in diameter but has a thread pitch of one mm per 360-degree rotation. Those who are not familiar with these dimensions may find it confusing.
    The OD of the threaded portion of a bolt is generally smaller than the OD of the nut. If the shank is too deep for the nut to fit, the threads may bottom out. This is why it’s important to use a thread-cutting bit with a small thread diameter. You can use a micrometer or caliper to measure the thread diameter. This tool will also allow you to easily identify which screw size fits where and how well.
    The metric system is the most widely used. Fasteners with DIN numbers are generally metric in size. This makes them very useful for industrial settings. You can find metric-sized screws anywhere, as long as you buy them from a reputable manufacturer. These fasteners also come with a dog point, which is used for safety wire. If the screw needs to be replaced, the shank can be drilled with a hole for a safety wire or for a dog-point.

    Round head

    A round head screw is the most common type used for machine screws. Other common types include truss head, flat head, and hexed head. Each has a different profile and are used for different purposes. A round head screw is typically wider than a flat or a hexed head, and has a slightly rounded surface. These screws are useful for projects involving sheet metal or sheet-metal parts. Round heads are usually slightly wider than a hex head screw, and they may also be used as a substitute for washers in certain applications. However, truss heads are not necessary for every project.
    A wood screw has a smooth shank that protrudes above the surface of the material it is attaching. A metal screw has a threaded shaft that is fully threaded from head to point, and a fully threaded shaft provides more bite. Two common head styles are round head and pan head. If the task requires the screw to be flush or countersunk, the round head will be the best choice.
    Another type is the Reed & Prince screw drive. These are similar to Phillips screws but have a 75-degree V shape. They are commonly used in marine hardware and are also known as BNAE NFL22-070. This type is also used for steel plate hangers. In addition to round head and pan head screws, there are a variety of other screw types. You can even get a head with a slotted head if you know where to look.
    Screw diameters are specified according to the ISO 261 or ISO 262 standards. An M8 screw has a diameter of 8.25 mm. The M8 screw has a pitch of 1.25 mm, which is equivalent to one mm per 360 degrees. There are several other standard screw sizes and thread diameters available. You can find them all by consulting the relevant standards. But remember, the metric system is the most popular.
    screwshaft

    Self-locking mechanism

    A self-locking mechanism for a screw shaft is a device that secures the screw to its supporting member in a failure position. The locking mechanism provides a positive connection between the screw shaft and the control surface during normal operation, and locks the screw to its supporting member when the screw fails. Previous attempts to solve this problem have typically used secondary nuts with free play on the screw, which were intentionally designed to jam when loaded. However, such a device can be unreliable, which is why the present invention offers a more robust and reliable locking mechanism.
    The self-locking function of a screw depends on several factors, including its pitch angle and the coefficient of friction of the threads. The angle of friction must be less than the tangent of the material pairing to prevent untightening of the screw. Screws with self-locking mechanisms have an efficiency e lower than 50%, which is less than half. Self-locking screws also have the benefit of being less efficient than a standard screw.
    Unlike a normal screw, a self-locking screw can be turned in either direction. The nut 22 rotates with the screw shaft, and the member 23 is translated in an axial direction. Regardless of the direction of the rotation of the screw, this axial translation will result in the opposite moment to that input moment. While screw self-locking mechanisms are typically less expensive, they are more reliable and durable.
    Another important feature of self-locking screws is that they are not susceptible to independent loosening. The screw cannot rotate without a certain amount of torque. In addition, a self-locking screw shaft must have a small wedge with a smaller half-angle than the arctangent of the static friction. This means that the torque applied by the driver must be greater than the torque needed to overcome the friction.

    China GV aluminum alloy universal joint coupling angle deviation large torque stepping servo motor screw elastic coupling     dimple shaft for set screwChina GV aluminum alloy universal joint coupling angle deviation large torque stepping servo motor screw elastic coupling     dimple shaft for set screw
    editor by czh 2023-07-03

    China Factory price aluminum Locking shaft collar good quality shaft collar double set screw shaft collar

    Applicable Industries: Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Printing Shops, Construction works , Energy & Mining, Food & Beverage Shops
    Structure: rigid
    Material: steel C45
    Coatings: Black Oxide
    Torque Capacity: 1000
    Model Number: M2P-3
    Product name: flange shaft collar
    Type: set screw
    body material: steel C45
    nut: M5
    Application: Shaft Connection
    Standard: ISO
    Processing: CNC
    surface treatment: Non
    OD: 16mm
    set screw shaft collar: 4mm 5mm 10mm
    Packaging Details: packing: plastic bag/carton box/wooden case
    Port: HangZhou/ZheJiang /HangZhou

    HangZhou RIVA manufacture and supply many different types of power transmission parts and cnc parts, 
    There are many kinds of shaft collars, it is connect with shaft and setting.

    Product Name shaft collar
    Material Steel C45, size: 3*9*16mm
    specification M2P-3
    Standard European standard
    Application power transmission

    Products Show Applications: 1)3D printers, stepper motor etc.2)Industrial machinery Printing, paper-processing, automatic machines, textiles, etc.3)Electronic machinery Robot, measuring instruments, medical equipment, Agricultural machinery Parts combine harvester blade and knife section for John and Deere X-Y table, factory automation equipment, etc.4)Transport machinery Material handling equipment, nuclear reactor-actuator, etc.5)Aircraft applications: aircraft flaps, actuators, airport loading equipment, etc
    Our Service Strictly in inspection we inspect goods during production and when goods finished.
    High qualityhigh end production machines.
    COWe could supply certificate of CZPT for clients, if required.
    Our Company HangZhou Riva Machinery company introduction:HangZhou Riva Machinery Co Ltd is set up by a group of senior technical engineers, who have already over 15 years working experience in design, making, and application of machinery parts . Riva main products are power transmission and factory automation like timing pulley, pulley, gear, rack, sprockets, and shaft coupling and high precision cnc parts, and high pressure self-energized pipe connector.Our products are manufactured by modern computerized machinery and equipment and met ISO9001 standard. We can do OEM and customized parts . Riva Machinery mainly supplies high quality and competitive price to met the request of our clients and supply very good service: easy communication, first time feedback, Harvester 1011 Blade Manufacturer Of Combine Harvester Spare Parts good cash-flow and 100% responsible for our goods after sold out.
    Packing & DeliveryPacking Details  : Packing, CZPT bicycle saddle, 50pcs/carton
    Delivery Details : 3-30 days after order of CZPT bicycle tire tubes
    1. Special logistics packaging 2. Suitable carton size 3. Shock bubble film 4. Professional placement 5. Professional shock 6. Complete packagesimilar product spider and couplingWe supply all kind of shaft couplings and rubber spiders, like: HRC, bellow, NM, tyre coupling.
    We stock a lot of spiders, and at the same time, coupling lead time is also shorter than other goods, about 25-30 days, some specifications are even shorter time.
    Customer PhotoCoupling applicationNM coupling application, used for connection motors and valves.
    v belt pulley and belt application
    More HRC couplingsmaterial cast itron and very competive price and very nice quality.
    FAQQ: Are you trading company or manufacturer ?A: We are factory and tading company.
    Q: How long is your delivery time?A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
    Q: Do you provide samples ? is it free or extra ?A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
    Q: What is your terms of payment ?A: Payment=1000USD, 30% T/T in advance , tube disc plough parts for sale balance before shippment.If you have another question, pls feel free to contact us as below:

    screwshaft

    What Are Screw Shaft Threads?

    A screw shaft is a threaded part used to fasten other components. The threads on a screw shaft are often described by their Coefficient of Friction, which describes how much friction is present between the mating surfaces. This article discusses these characteristics as well as the Material and Helix angle. You’ll have a better understanding of your screw shaft’s threads after reading this article. Here are some examples. Once you understand these details, you’ll be able to select the best screw nut for your needs.

    Coefficient of friction between the mating surfaces of a nut and a screw shaft

    There are two types of friction coefficients. Dynamic friction and static friction. The latter refers to the amount of friction a nut has to resist an opposing motion. In addition to the material strength, a higher coefficient of friction can cause stick-slip. This can lead to intermittent running behavior and loud squeaking. Stick-slip may lead to a malfunctioning plain bearing. Rough shafts can be used to improve this condition.
    The two types of friction coefficients are related to the applied force. When applying force, the applied force must equal the nut’s pitch diameter. When the screw shaft is tightened, the force may be removed. In the case of a loosening clamp, the applied force is smaller than the bolt’s pitch diameter. Therefore, the higher the property class of the bolt, the lower the coefficient of friction.
    In most cases, the screwface coefficient of friction is lower than the nut face. This is because of zinc plating on the joint surface. Moreover, power screws are commonly used in the aerospace industry. Whether or not they are power screws, they are typically made of carbon steel, alloy steel, or stainless steel. They are often used in conjunction with bronze or plastic nuts, which are preferred in higher-duty applications. These screws often require no holding brakes and are extremely easy to use in many applications.
    The coefficient of friction between the mating surfaces of t-screws is highly dependent on the material of the screw and the nut. For example, screws with internal lubricated plastic nuts use bearing-grade bronze nuts. These nuts are usually used on carbon steel screws, but can be used with stainless steel screws. In addition to this, they are easy to clean.

    Helix angle

    In most applications, the helix angle of a screw shaft is an important factor for torque calculation. There are two types of helix angle: right and left hand. The right hand screw is usually smaller than the left hand one. The left hand screw is larger than the right hand screw. However, there are some exceptions to the rule. A left hand screw may have a greater helix angle than a right hand screw.
    A screw’s helix angle is the angle formed by the helix and the axial line. Although the helix angle is not usually changed, it can have a significant effect on the processing of the screw and the amount of material conveyed. These changes are more common in two stage and special mixing screws, and metering screws. These measurements are crucial for determining the helix angle. In most cases, the lead angle is the correct angle when the screw shaft has the right helix angle.
    High helix screws have large leads, sometimes up to six times the screw diameter. These screws reduce the screw diameter, mass, and inertia, allowing for higher speed and precision. High helix screws are also low-rotation, so they minimize vibrations and audible noises. But the right helix angle is important in any application. You must carefully choose the right type of screw for the job at hand.
    If you choose a screw gear that has a helix angle other than parallel, you should select a thrust bearing with a correspondingly large center distance. In the case of a screw gear, a 45-degree helix angle is most common. A helix angle greater than zero degrees is also acceptable. Mixing up helix angles is beneficial because it allows for a variety of center distances and unique applications.
    screwshaft

    Thread angle

    The thread angle of a screw shaft is measured from the base of the head of the screw to the top of the screw’s thread. In America, the standard screw thread angle is 60 degrees. The standard thread angle was not widely adopted until the early twentieth century. A committee was established by the Franklin Institute in 1864 to study screw threads. The committee recommended the Sellers thread, which was modified into the United States Standard Thread. The standardized thread was adopted by the United States Navy in 1868 and was recommended for construction by the Master Car Builders’ Association in 1871.
    Generally speaking, the major diameter of a screw’s threads is the outside diameter. The major diameter of a nut is not directly measured, but can be determined with go/no-go gauges. It is necessary to understand the major and minor diameters in relation to each other in order to determine a screw’s thread angle. Once this is known, the next step is to determine how much of a pitch is necessary to ensure a screw’s proper function.
    Helix angle and thread angle are two different types of angles that affect screw efficiency. For a lead screw, the helix angle is the angle between the helix of the thread and the line perpendicular to the axis of rotation. A lead screw has a greater helix angle than a helical one, but has higher frictional losses. A high-quality lead screw requires a higher torque to rotate. Thread angle and lead angle are complementary angles, but each screw has its own specific advantages.
    Screw pitch and TPI have little to do with tolerances, craftsmanship, quality, or cost, but rather the size of a screw’s thread relative to its diameter. Compared to a standard screw, the fine and coarse threads are easier to tighten. The coarser thread is deeper, which results in lower torques. If a screw fails because of torsional shear, it is likely to be a result of a small minor diameter.

    Material

    Screws have a variety of different sizes, shapes, and materials. They are typically machined on CNC machines and lathes. Each type is used for different purposes. The size and material of a screw shaft are influenced by how it will be used. The following sections give an overview of the main types of screw shafts. Each one is designed to perform a specific function. If you have questions about a specific type, contact your local machine shop.
    Lead screws are cheaper than ball screws and are used in light-duty, intermittent applications. Lead screws, however, have poor efficiency and are not recommended for continuous power transmission. But, they are effective in vertical applications and are more compact. Lead screws are typically used as a kinematic pair with a ball screw. Some types of lead screws also have self-locking properties. Because they have a low coefficient of friction, they have a compact design and very few parts.
    Screws are made of a variety of metals and alloys. Steel is an economical and durable material, but there are also alloy steel and stainless steel types. Bronze nuts are the most common and are often used in higher-duty applications. Plastic nuts provide low-friction, which helps reduce the drive torques. Stainless steel screws are also used in high-performance applications, and may be made of titanium. The materials used to create screw shafts vary, but they all have their specific functions.
    Screws are used in a wide range of applications, from industrial and consumer products to transportation equipment. They are used in many different industries, and the materials they’re made of can determine their life. The life of a screw depends on the load that it bears, the design of its internal structure, lubrication, and machining processes. When choosing screw assemblies, look for a screw made from the highest quality steels possible. Usually, the materials are very clean, so they’re a great choice for a screw. However, the presence of imperfections may cause a normal fatigue failure.
    screwshaft

    Self-locking features

    Screws are known to be self-locking by nature. The mechanism for this feature is based on several factors, such as the pitch angle of the threads, material pairing, lubrication, and heating. This feature is only possible if the shaft is subjected to conditions that are not likely to cause the threads to loosen on their own. The self-locking ability of a screw depends on several factors, including the pitch angle of the thread flank and the coefficient of sliding friction between the two materials.
    One of the most common uses of screws is in a screw top container lid, corkscrew, threaded pipe joint, vise, C-clamp, and screw jack. Other applications of screw shafts include transferring power, but these are often intermittent and low-power operations. Screws are also used to move material in Archimedes’ screw, auger earth drill, screw conveyor, and micrometer.
    A common self-locking feature for a screw is the presence of a lead screw. A screw with a low PV value is safe to operate, but a screw with high PV will need a lower rotation speed. Another example is a self-locking screw that does not require lubrication. The PV value is also dependent on the material of the screw’s construction, as well as its lubrication conditions. Finally, a screw’s end fixity – the way the screw is supported – affects the performance and efficiency of a screw.
    Lead screws are less expensive and easier to manufacture. They are a good choice for light-weight and intermittent applications. These screws also have self-locking capabilities. They can be self-tightened and require less torque for driving than other types. The advantage of lead screws is their small size and minimal number of parts. They are highly efficient in vertical and intermittent applications. They are not as accurate as lead screws and often have backlash, which is caused by insufficient threads.

    China Factory price aluminum Locking shaft collar good quality shaft collar     double set screw shaft collarChina Factory price aluminum Locking shaft collar good quality shaft collar     double set screw shaft collar
    editor by czh 2023-07-03

    China Aluminum Stainless Steel 1/4′′ 5/8′′ 1′′ 1-1/2′′ Set Screw Shaft Collar screw shaft coupler

    Product Description

    High quality black or zinc galvanized steel/aluminum/Stainless steel/ Single Split shaft collar

    Product Description

    Shaft Collar is used for axial positioning of parts.

    Types

    Solid Setscrew shaft collar,Hex bore shaft collar,One Piece shaft collar,Two

    Piece shaft collar,Threaded shaft collar,Single split shaft collar,Double split shaft collar

    Our products can be made according to Climax,Holo-Krome,Stafford,Ruland etc.

    Note

    1.Material:AL,Steel,Stainless steel,Alloy,Copper,Plastic

    2.Finish: Black oxide, self-colour, oiled, zinc plated

    3.Processes:Broaching/ Hobbing/ Slotting/tapping

    4.Package:box/carton/wooden case

    5.Lead time:20-35 days

    6.ISO9001:2008 Certificated

    Product Features

    1.Effective on hard and soft shafts

    2.Cost effective collar design

    3.Easily installed where major disassembly would otherwise be required Simply slide these collars onto a shaft    and tighten the set screw to hold the collar in place.Collars are easy to adjust with their set screws.

    Dimensions:

    Product name: shaft collar,Set Screw 
    Material:Steel/Aluminum/Stainless Steel
    Surface treatment:

    Steel – Plain finish
    Steel – Black Oxide finish
    Steel – Zinc Plated finish
    Stainless Steel

    Metric Set Screw shaft collars:

    Inch Set Screw shaft collars:

    Product name

    Shaft collars

    Material

    stainless steel,316stainless steel,45 steel

    Finish

    passivated,black,zinc plated

    Standard

    ANSI

    PACKING

    Packaging
                          
        Packing  

     

    We use standard export wooden case, carton and pallet, but we can also pack it as per your special requirements.

    OUR COMPANY

    ZheJiang Mighty Machinery Co., Ltd. specializes in offering best service and the most competitive price for our customer.

    After over 10 years’ hard work, MIGHTY’s business has grown rapidly and become an important partner for oversea clients in the industrial field and become a holding company for 3 manufacturing factories.

    MIGHTY’s products have obtained reputation of domestic and oversea customers with taking advantage of technology, management, quality and very competitive price.

     

    Your satisfaction is the biggest motivation for our work, choose us to get high quality products and best service.

    OUR FACTORY



     

     

     

    Main Products:

    Timing belt pulleys, timing bars, timing belt clamping plates.

    Locking elements and shrink discs: could be alternative for Ringfeder, Sati, Chiaravalli, BEA, KBK, Tollok, etc.

    V belt pulleys and taper lock bush.

    Sprockets, idler, and plate wheels.

    Gears and racks: spur gear, helical gear, bevel gear, worm gear, gear rack.

    Shaft couplings: miniature coupling, curved tooth coupling, chain coupling, HRC coupling, normex coupling, FCL coupling, GE coupling, rigid and flexible coupling, jaw coupling, disc coupling, multi-beam coupling, universal joint, torque limiter, shaft collars.

    Forging, Casting, Stamping Parts.
    Other customized power transmission products and Machining Parts (OEM).

     

     

    Application

     

    1. Engineering: machine tools, foundry equipments, conveyors, compressors, painting systems, etc.

    2. Pharmaceuticals& Food Processing: pulp mill blowers, conveyor in warehouse, agitators, grain, boiler, bakery machine, labeling machine, robots, etc.

    3. Agriculture Industries: cultivator, rice winnower tractor, harvester, rice planter, farm equipment, etc.

    4. Texitile Mills: looms, spinning, wrappers, high-speed auto looms, processing machine, twister, carding machine, ruler calendar machine, high speed winder, etc.

    5. Printing Machinery: newspaper press, rotary machine, screen printer machine, linotype machine offset printer, etc.

    6. Paper Industries: chipper roll grinder, cut off saw, edgers, flotation cell and chips saws, etc.

    7. Building Construction Machinery: buffers, elevator floor polisher mixing machine, vibrator, hoists, crusher, etc.

    8. Office Equipments: typewriter, plotters, camera, money drive, money sorting machine, data storage equipment, etc.

    9. Glass and Plastic Industries: conveyor, carton sealers, grinders, creeper paper manufacturing machine, lintec backing, etc.

    10. Home Appliances: vacuum cleaner, laundry machine, icecream machine, sewing machine, kitchen equipments, etc.

     

    FAQ

    Q: Are you trading company or manufacturer ?
    A: We are factory.

    Q: How long is your delivery time?
    A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

    Q: Do you provide samples ? is it free or extra ?
    A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

    Q: What is your terms of payment ?
    A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
    If you have another question, pls feel free to contact us as below:

     

    Contacts

    We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit. To supply customers excellent quality products with good price and punctual delivery time is our responsibility.

    Any question or inquiry, pls contact us without hesitate, we assure any of your inquiry will get our prompt attention and reply!
     

    US $3.5
    / Piece
    |
    20 Pieces

    (Min. Order)

    ###

    Standard or Nonstandard: Standard
    Feature: Flame-Retardant, Oil-Resistant, Cold-Resistant, Corrosion-Resistant, Heat-Resistant
    Application: Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car
    Surface Treatment: Black or Zinc, Self Color Oiled
    Material: Steel/Aluminum/Stainless Steel
    Bore Size(mm): 5-100

    ###

    Samples:
    US$ 0.2/Piece
    1 Piece(Min.Order)

    |
    Request Sample

    ###

    Customization:

    ###

    Types

    Solid Setscrew shaft collar,Hex bore shaft collar,One Piece shaft collar,Two

    Piece shaft collar,Threaded shaft collar,Single split shaft collar,Double split shaft collar

    Our products can be made according to Climax,Holo-Krome,Stafford,Ruland etc.

    Note

    1.Material:AL,Steel,Stainless steel,Alloy,Copper,Plastic

    2.Finish: Black oxide, self-colour, oiled, zinc plated

    3.Processes:Broaching/ Hobbing/ Slotting/tapping

    4.Package:box/carton/wooden case

    5.Lead time:20-35 days

    6.ISO9001:2008 Certificated

    Product Features

    1.Effective on hard and soft shafts

    2.Cost effective collar design

    3.Easily installed where major disassembly would otherwise be required Simply slide these collars onto a shaft    and tighten the set screw to hold the collar in place.Collars are easy to adjust with their set screws.

    ###

    Steel – Plain finish
    Steel – Black Oxide finish
    Steel – Zinc Plated finish
    Stainless Steel

    ###

    Product name
    Shaft collars
    Material
    stainless steel,316stainless steel,45 steel
    Finish
    passivated,black,zinc plated
    Standard
    ANSI

    ###

    Packaging
                          
        Packing  

     

    We use standard export wooden case, carton and pallet, but we can also pack it as per your special requirements.
    US $3.5
    / Piece
    |
    20 Pieces

    (Min. Order)

    ###

    Standard or Nonstandard: Standard
    Feature: Flame-Retardant, Oil-Resistant, Cold-Resistant, Corrosion-Resistant, Heat-Resistant
    Application: Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car
    Surface Treatment: Black or Zinc, Self Color Oiled
    Material: Steel/Aluminum/Stainless Steel
    Bore Size(mm): 5-100

    ###

    Samples:
    US$ 0.2/Piece
    1 Piece(Min.Order)

    |
    Request Sample

    ###

    Customization:

    ###

    Types

    Solid Setscrew shaft collar,Hex bore shaft collar,One Piece shaft collar,Two

    Piece shaft collar,Threaded shaft collar,Single split shaft collar,Double split shaft collar

    Our products can be made according to Climax,Holo-Krome,Stafford,Ruland etc.

    Note

    1.Material:AL,Steel,Stainless steel,Alloy,Copper,Plastic

    2.Finish: Black oxide, self-colour, oiled, zinc plated

    3.Processes:Broaching/ Hobbing/ Slotting/tapping

    4.Package:box/carton/wooden case

    5.Lead time:20-35 days

    6.ISO9001:2008 Certificated

    Product Features

    1.Effective on hard and soft shafts

    2.Cost effective collar design

    3.Easily installed where major disassembly would otherwise be required Simply slide these collars onto a shaft    and tighten the set screw to hold the collar in place.Collars are easy to adjust with their set screws.

    ###

    Steel – Plain finish
    Steel – Black Oxide finish
    Steel – Zinc Plated finish
    Stainless Steel

    ###

    Product name
    Shaft collars
    Material
    stainless steel,316stainless steel,45 steel
    Finish
    passivated,black,zinc plated
    Standard
    ANSI

    ###

    Packaging
                          
        Packing  

     

    We use standard export wooden case, carton and pallet, but we can also pack it as per your special requirements.

    Screw Shaft Types

    If you’re looking for a screw shaft, but aren’t sure which type to buy, you’re in luck. In this article, we’ll talk about the different types, including Threaded shank, Round head, and Machined. Once you’ve read it, you’ll know which type to buy. Then, you can decide whether you want a ball screw nut or a threaded shank.

    Machined screw shafts

    Besides the standard stainless steel shaft, manufacturers also provide a variety of other materials, such as titanium, bronze, and brass. In addition to stainless steel, manufacturers also provide a variety of top-coating options, including zinc, brass, and chromium. Aluminum screws are not particularly durable and are easily affected by weather. Most screw shafts feature self-locking mechanisms. They are especially useful in C-clamps, vises, and screw-top container lids.
    For applications where accuracy is vital, a ball screw shaft needs to be annealed. A heat treatment can be performed on the ball screw shaft to ensure that both ends are heated evenly. In this process, the shaft will be more durable, while maintaining its high-precision properties. These screw shafts are a key component in computer-controlled motion-control systems, wire bonding, and other industries that require high-precision and high-quality performance.
    Depending on the material used, screw shafts can be made of stainless steel or titanium. High-precision CNC machines and lathes are typically used to manufacture screw shafts. Various shapes and sizes are available, each with a specific application. Whether you need a small or large screw, you can find one to fit your needs. And since each size requires a different material, your choice of material is important as well.
    In general, the materials used for machining screw shafts are steel, stainless steel, titanium, brass, bronze, and aluminum. Metals that resist corrosion are also commonly used. Other materials for screw shafts are Teflon, nylon, and nylon. You can also find threaded screw shafts in materials such as porcelain, glass, and ceramic. If you want to use your screws in a unique material, consider purchasing a customized one.
    screwshaft

    Ball screw nuts

    If you have a screw shaft, the last thing you want to worry about is the ball nut slipping off. To prevent this, you can place a temporary stop in the shaft’s grooves to ensure that the ball nut does not slide off. When you remove the stop, you can then install the ball screw nut. But, before you can install the ball screw nut, you have to make sure that you have a good grip on the shaft.
    When selecting ball screw nuts, it’s important to consider how much preload you need to apply to avoid excessive backlash. Preloading eliminates this problem by making the ball nut compact. It also prevents backlash, which is lost motion caused by clearance between the ball and nut. Backlash disrupts repeatability and accuracy. This is where spacer preloading comes in. You can insert a spacer between the two ball nuts to transmit the force to the nut. However, you should keep in mind that this method reduces the load capacity of the ball screw.
    The critical speed of a screw is the maximum rotating speed before it whips. This critical speed is influenced by several factors, including the diameter of the screw shaft, the number of support elements, and the material. By adjusting these factors, you can reduce the number of components used and the amount of time it takes to assemble the screw shaft. In addition, you can also reduce the number of components and avoid stacking tolerances. However, the critical speed of plastic nuts is limited due to sliding friction.
    The ball screw nut has several characteristics that make it unique. Its most prominent feature is the presence of ball bearings. These balls help reduce friction between the screw nut and the shaft. Without ball bearings, the friction would be too high to function properly. Another important characteristic is the groove profile of the nut and ball. These two features ensure that the ball and the nut meet at two points. You’ll be amazed by the results of the work of these ball screw nuts.
    screwshaft

    Threaded shank

    Wood screws are usually not fully threaded because the shank has an unthreaded portion at the top. This shoulder part forces the screw to compress two pieces of wood, which prevents the screw from overheating and compromising the materials strength. As the screw is threaded partially up, it is not as difficult to remove as a fully threaded screw. However, it is important to note that a wood screw will not hold as tightly as one with a fully threaded shank.
    In addition to being universal, screw threads can be of different sizes. For example, a M8 screw has a thread pitch of 1.25 mm. To avoid confusion, screw thread pitches are commonly given with a multiplication sign. For example, M8x1 means that the screw is eight mm in diameter but has a thread pitch of one mm per 360-degree rotation. Those who are not familiar with these dimensions may find it confusing.
    The OD of the threaded portion of a bolt is generally smaller than the OD of the nut. If the shank is too deep for the nut to fit, the threads may bottom out. This is why it’s important to use a thread-cutting bit with a small thread diameter. You can use a micrometer or caliper to measure the thread diameter. This tool will also allow you to easily identify which screw size fits where and how well.
    The metric system is the most widely used. Fasteners with DIN numbers are generally metric in size. This makes them very useful for industrial settings. You can find metric-sized screws anywhere, as long as you buy them from a reputable manufacturer. These fasteners also come with a dog point, which is used for safety wire. If the screw needs to be replaced, the shank can be drilled with a hole for a safety wire or for a dog-point.

    Round head

    A round head screw is the most common type used for machine screws. Other common types include truss head, flat head, and hexed head. Each has a different profile and are used for different purposes. A round head screw is typically wider than a flat or a hexed head, and has a slightly rounded surface. These screws are useful for projects involving sheet metal or sheet-metal parts. Round heads are usually slightly wider than a hex head screw, and they may also be used as a substitute for washers in certain applications. However, truss heads are not necessary for every project.
    A wood screw has a smooth shank that protrudes above the surface of the material it is attaching. A metal screw has a threaded shaft that is fully threaded from head to point, and a fully threaded shaft provides more bite. Two common head styles are round head and pan head. If the task requires the screw to be flush or countersunk, the round head will be the best choice.
    Another type is the Reed & Prince screw drive. These are similar to Phillips screws but have a 75-degree V shape. They are commonly used in marine hardware and are also known as BNAE NFL22-070. This type is also used for steel plate hangers. In addition to round head and pan head screws, there are a variety of other screw types. You can even get a head with a slotted head if you know where to look.
    Screw diameters are specified according to the ISO 261 or ISO 262 standards. An M8 screw has a diameter of 8.25 mm. The M8 screw has a pitch of 1.25 mm, which is equivalent to one mm per 360 degrees. There are several other standard screw sizes and thread diameters available. You can find them all by consulting the relevant standards. But remember, the metric system is the most popular.
    screwshaft

    Self-locking mechanism

    A self-locking mechanism for a screw shaft is a device that secures the screw to its supporting member in a failure position. The locking mechanism provides a positive connection between the screw shaft and the control surface during normal operation, and locks the screw to its supporting member when the screw fails. Previous attempts to solve this problem have typically used secondary nuts with free play on the screw, which were intentionally designed to jam when loaded. However, such a device can be unreliable, which is why the present invention offers a more robust and reliable locking mechanism.
    The self-locking function of a screw depends on several factors, including its pitch angle and the coefficient of friction of the threads. The angle of friction must be less than the tangent of the material pairing to prevent untightening of the screw. Screws with self-locking mechanisms have an efficiency e lower than 50%, which is less than half. Self-locking screws also have the benefit of being less efficient than a standard screw.
    Unlike a normal screw, a self-locking screw can be turned in either direction. The nut 22 rotates with the screw shaft, and the member 23 is translated in an axial direction. Regardless of the direction of the rotation of the screw, this axial translation will result in the opposite moment to that input moment. While screw self-locking mechanisms are typically less expensive, they are more reliable and durable.
    Another important feature of self-locking screws is that they are not susceptible to independent loosening. The screw cannot rotate without a certain amount of torque. In addition, a self-locking screw shaft must have a small wedge with a smaller half-angle than the arctangent of the static friction. This means that the torque applied by the driver must be greater than the torque needed to overcome the friction.

    China Aluminum Stainless Steel 1/4′′ 5/8′′ 1′′ 1-1/2′′ Set Screw Shaft Collar     screw shaft couplerChina Aluminum Stainless Steel 1/4′′ 5/8′′ 1′′ 1-1/2′′ Set Screw Shaft Collar     screw shaft coupler
    editor by czh 2022-11-30

    China Good quality New Design CNC Machining Aluminum Printer Shaft with high quality

    Product Description

    High precision custom
    New Design CNC Machining Aluminum Printer Shaft

    Custom Design CNC Center milling Service
    Custom Design CNC Machining/Turning/Granding Service   
    Custom Design Automatic Lathe Service

    CNC Parts Production Lines
     
    At our HangZhou Zhong Li Da,;,; we offer our clients with varies of CNC parts machining services including turning,; milling,; drilling,; grinding and much more.; Our engineer can
    use precision manufacturing production lines such as 3,; 4 and 5 axis CNC machining
    centers to make parts base on clients’ 2D and 3D CAD drawings.; 
     
    No matter your are looking for precision plastics,; CNC aluminum,; stainless steel parts
    manufacturing,; our production lines are capable of wide range of precision parts made
    of plastics or metals.; Contact our service team to get a free quote and to discuss which machining process is the most efficient and suitable 1 for your project.;
     
    What is CNC machining?
     
    Computer numerical control(CNC); could be a powerful machine which fixed and rotated the
    raw material rod on it’s driving headstock,; to remove the material by means of relative
    movement between various cutting tools and raw material rod.; Advanced programming software which optimized machine setting,; cutting time,; surface finish,; and fine tunedl tolerance is used to control a CNC turning milling machine according to the instructions of clients’ CAD drawing file.;
     
    CNC parts production lines are not only to manufacture turning part workpieces and prototypes,; but also to build molding tools,; which are to be used for plastic injection 
    molding or die casting.; 

     

    Products detail

    We have rich experience in manufacturing micro parts for a wide variety of industries.; Like Turning Part,;Shaft,;Machining Part,; CNC Machining Part,; Milling Part,; Hardware Accessories,; Arrow Metal Part,; Special fasteners,; Industrial Control Switch Metal Part for medical,; electronic,; fiberoptic,; microwave area,; etc.;

     

    Quality Assurance ISO9001:;2008 Certified etc
    Materials Aluminum Alloy:;5052 /6061/ 6063 / 2017 / 7075 / ADC12/518 etc.;
    Brass Alloy:;3600 /3602 / 2604 / H59 / H62 / etc.;etc.;
    Stainless Steel Alloy:;303 / 304 / 316 / 412 / etc.;
    Steel Alloy:; C45
    Carbon Steel 12L14 12L15/ Die Steel / Spring Steel etc.;
    Special material:;Lucite / Nylon / Bakelite / POM / ABS / PP / 
    PC / PE / PEEK / Titanium etc.;
    We handle many other type of materials.; 
    Please contact us if your required material is not listed above.;
    Surface Treatment  Blacking,;polishing,;sandblasting,;anodize,;chrome plating,;zinc plating,;
    pickling&passivation,; vibration,;nickel plating,;tinting
    Inspection Mitutotyo three-coordinate measuring machine /
    Mitutoyo Tool Microscope 
    can measure up to  300mmX x 175mmY x 220mmZ
    File Formats Solid Works,;Pro/Engineer,; AutoCAD(DXF,;DWG);,; PDF,;TIF ,; IGS ,; STP etc.;

     
    Product Range

    Production Flow Chart

    Factory Show

    Shipping&Payment

     

    FAQ

    Q:; How soon can I get reply after send inquiry?

    A:; 1.;all inquiries will be replied within 2 hours except sleeping time in China.;    

    2.;Our call phones standing by any calls at any time

     
    Q:; How soon can I get samples ?

    A:; Generally samples can be sent out within 7 working days after product drawing confirmed by both side.;  

     

    Q:; What file format can you accept for my products?

    A:; 1.;We can accept varies format,; igs,; step,; stp,; jpg,;pdf,; dwg,; dxf and so on.;    
         2.;If you do not have a prepared CAD file,; we can accept a scan of a hand drawn design.;  
     

    Q:; If I don’t have drawing,; how can I get sample ?

    A:; If you don’t have any drawing,;you can send us your sample,; we will scan it and make 2D and 3D drawing first,; then make sample for you.;

     

    Q:; What are many common materials that you use in projects?  

    A:; Aluminum,;Stainless Steel,; Carbon Steel,; Copper,; Plastics,; Titanium and PEEK

     

    Q:; What’s your MOQ(minimum order quantity);

    A:; We don’t have MOQ,; you are welcome to send us trial order to test our quality and service.;

     

    Q:; What’s the payment term do you accept?

    A:; EXW/FOB HangZhou,; paid by T/T,; Paypal,; Western Union.; 

     

    Q:; What kind of machining we excel in?

    A:; Included all kind of machining parts.;

    Welcome download our factory profile through below website,;
    http:;//xmzhonglida.;en.;made-in-china.;com/Product-Catalogs/

    What Are Screw Shaft Threads?

    A screw shaft is a threaded part used to fasten other components. The threads on a screw shaft are often described by their Coefficient of Friction, which describes how much friction is present between the mating surfaces. This article discusses these characteristics as well as the Material and Helix angle. You’ll have a better understanding of your screw shaft’s threads after reading this article. Here are some examples. Once you understand these details, you’ll be able to select the best screw nut for your needs.
    screwshaft

    Coefficient of friction between the mating surfaces of a nut and a screw shaft

    There are 2 types of friction coefficients. Dynamic friction and static friction. The latter refers to the amount of friction a nut has to resist an opposing motion. In addition to the material strength, a higher coefficient of friction can cause stick-slip. This can lead to intermittent running behavior and loud squeaking. Stick-slip may lead to a malfunctioning plain bearing. Rough shafts can be used to improve this condition.
    The 2 types of friction coefficients are related to the applied force. When applying force, the applied force must equal the nut’s pitch diameter. When the screw shaft is tightened, the force may be removed. In the case of a loosening clamp, the applied force is smaller than the bolt’s pitch diameter. Therefore, the higher the property class of the bolt, the lower the coefficient of friction.
    In most cases, the screwface coefficient of friction is lower than the nut face. This is because of zinc plating on the joint surface. Moreover, power screws are commonly used in the aerospace industry. Whether or not they are power screws, they are typically made of carbon steel, alloy steel, or stainless steel. They are often used in conjunction with bronze or plastic nuts, which are preferred in higher-duty applications. These screws often require no holding brakes and are extremely easy to use in many applications.
    The coefficient of friction between the mating surfaces of t-screws is highly dependent on the material of the screw and the nut. For example, screws with internal lubricated plastic nuts use bearing-grade bronze nuts. These nuts are usually used on carbon steel screws, but can be used with stainless steel screws. In addition to this, they are easy to clean.

    Helix angle

    In most applications, the helix angle of a screw shaft is an important factor for torque calculation. There are 2 types of helix angle: right and left hand. The right hand screw is usually smaller than the left hand one. The left hand screw is larger than the right hand screw. However, there are some exceptions to the rule. A left hand screw may have a greater helix angle than a right hand screw.
    A screw’s helix angle is the angle formed by the helix and the axial line. Although the helix angle is not usually changed, it can have a significant effect on the processing of the screw and the amount of material conveyed. These changes are more common in 2 stage and special mixing screws, and metering screws. These measurements are crucial for determining the helix angle. In most cases, the lead angle is the correct angle when the screw shaft has the right helix angle.
    High helix screws have large leads, sometimes up to 6 times the screw diameter. These screws reduce the screw diameter, mass, and inertia, allowing for higher speed and precision. High helix screws are also low-rotation, so they minimize vibrations and audible noises. But the right helix angle is important in any application. You must carefully choose the right type of screw for the job at hand.
    If you choose a screw gear that has a helix angle other than parallel, you should select a thrust bearing with a correspondingly large center distance. In the case of a screw gear, a 45-degree helix angle is most common. A helix angle greater than zero degrees is also acceptable. Mixing up helix angles is beneficial because it allows for a variety of center distances and unique applications.
    screwshaft

    Thread angle

    The thread angle of a screw shaft is measured from the base of the head of the screw to the top of the screw’s thread. In America, the standard screw thread angle is 60 degrees. The standard thread angle was not widely adopted until the early twentieth century. A committee was established by the Franklin Institute in 1864 to study screw threads. The committee recommended the Sellers thread, which was modified into the United States Standard Thread. The standardized thread was adopted by the United States Navy in 1868 and was recommended for construction by the Master Car Builders’ Association in 1871.
    Generally speaking, the major diameter of a screw’s threads is the outside diameter. The major diameter of a nut is not directly measured, but can be determined with go/no-go gauges. It is necessary to understand the major and minor diameters in relation to each other in order to determine a screw’s thread angle. Once this is known, the next step is to determine how much of a pitch is necessary to ensure a screw’s proper function.
    Helix angle and thread angle are 2 different types of angles that affect screw efficiency. For a lead screw, the helix angle is the angle between the helix of the thread and the line perpendicular to the axis of rotation. A lead screw has a greater helix angle than a helical one, but has higher frictional losses. A high-quality lead screw requires a higher torque to rotate. Thread angle and lead angle are complementary angles, but each screw has its own specific advantages.
    Screw pitch and TPI have little to do with tolerances, craftsmanship, quality, or cost, but rather the size of a screw’s thread relative to its diameter. Compared to a standard screw, the fine and coarse threads are easier to tighten. The coarser thread is deeper, which results in lower torques. If a screw fails because of torsional shear, it is likely to be a result of a small minor diameter.

    Material

    Screws have a variety of different sizes, shapes, and materials. They are typically machined on CNC machines and lathes. Each type is used for different purposes. The size and material of a screw shaft are influenced by how it will be used. The following sections give an overview of the main types of screw shafts. Each 1 is designed to perform a specific function. If you have questions about a specific type, contact your local machine shop.
    Lead screws are cheaper than ball screws and are used in light-duty, intermittent applications. Lead screws, however, have poor efficiency and are not recommended for continuous power transmission. But, they are effective in vertical applications and are more compact. Lead screws are typically used as a kinematic pair with a ball screw. Some types of lead screws also have self-locking properties. Because they have a low coefficient of friction, they have a compact design and very few parts.
    Screws are made of a variety of metals and alloys. Steel is an economical and durable material, but there are also alloy steel and stainless steel types. Bronze nuts are the most common and are often used in higher-duty applications. Plastic nuts provide low-friction, which helps reduce the drive torques. Stainless steel screws are also used in high-performance applications, and may be made of titanium. The materials used to create screw shafts vary, but they all have their specific functions.
    Screws are used in a wide range of applications, from industrial and consumer products to transportation equipment. They are used in many different industries, and the materials they’re made of can determine their life. The life of a screw depends on the load that it bears, the design of its internal structure, lubrication, and machining processes. When choosing screw assemblies, look for a screw made from the highest quality steels possible. Usually, the materials are very clean, so they’re a great choice for a screw. However, the presence of imperfections may cause a normal fatigue failure.
    screwshaft

    Self-locking features

    Screws are known to be self-locking by nature. The mechanism for this feature is based on several factors, such as the pitch angle of the threads, material pairing, lubrication, and heating. This feature is only possible if the shaft is subjected to conditions that are not likely to cause the threads to loosen on their own. The self-locking ability of a screw depends on several factors, including the pitch angle of the thread flank and the coefficient of sliding friction between the 2 materials.
    One of the most common uses of screws is in a screw top container lid, corkscrew, threaded pipe joint, vise, C-clamp, and screw jack. Other applications of screw shafts include transferring power, but these are often intermittent and low-power operations. Screws are also used to move material in Archimedes’ screw, auger earth drill, screw conveyor, and micrometer.
    A common self-locking feature for a screw is the presence of a lead screw. A screw with a low PV value is safe to operate, but a screw with high PV will need a lower rotation speed. Another example is a self-locking screw that does not require lubrication. The PV value is also dependent on the material of the screw’s construction, as well as its lubrication conditions. Finally, a screw’s end fixity – the way the screw is supported – affects the performance and efficiency of a screw.
    Lead screws are less expensive and easier to manufacture. They are a good choice for light-weight and intermittent applications. These screws also have self-locking capabilities. They can be self-tightened and require less torque for driving than other types. The advantage of lead screws is their small size and minimal number of parts. They are highly efficient in vertical and intermittent applications. They are not as accurate as lead screws and often have backlash, which is caused by insufficient threads.

    China Good quality New Design CNC Machining Aluminum Printer Shaft   with high qualityChina Good quality New Design CNC Machining Aluminum Printer Shaft   with high quality

    China Standard Aluminum Spacers with Set Screw Double Split Clamping Threaded Shaft Collar with high quality

    Product Description

    High quality black or zinc galvanized steel/aluminum/Stainless steel/ Single Split shaft collar

    Product Description

    Shaft Collar is used for axial positioning of parts.
     

    Types

    1Solid Setscrew shaft collar,Hex bore shaft collar,One Piece shaft collar,Two

    2.Piece shaft collar,Threaded shaft collar,Single split shaft collar,Double split shaft collar

    3.Our products can be made according to Climax,Holo-Krome,Stafford,Ruland etc. 

    Features

    1.Effective on hard and soft shafts

    2.Cost effective collar design

    3.Easily installed where major disassembly would otherwise be required Simply slide these collars onto a shaft    and tighten the set screw to hold the collar in place.Collars are easy to adjust with their set screws.

    Note 

    1.Material:AL,Steel,Stainless steel,Alloy,Copper,Plastic

    2.Finish: Black oxide, self-colour, oiled, zinc plated

    3.Processes:Broaching/ Hobbing/ Slotting/tapping

    4.Package:box/carton/wooden case

    5.Lead time:20-35 days

    6.ISO9001:2008 Certificated

    Dimensions:

    Product name: shaft collar,single split
    Material:

    Steel – Plain finish
    Steel – Black Oxide finish
    Steel – Zinc Plated finish
    Stainless Steel

    Metric Single split shaft collars:

    Inch Single split shaft collars:

    PACKING

    Packaging
                          
        Packing  

     

    We use standard export wooden case, carton and pallet, but we can also pack it as per your special requirements.

    OUR COMPANY

    ZheJiang Mighty Machinery Co., Ltd. specializes in offering best service and the most competitive price for our customer.

    After over 10 years’ hard work, MIGHTY’s business has grown rapidly and become an important partner for oversea clients in the industrial field and become a holding company for 3 manufacturing factories.

    MIGHTY’s products have obtained reputation of domestic and oversea customers with taking advantage of technology, management, quality and very competitive price.

     

    Your satisfaction is the biggest motivation for our work, choose us to get high quality products and best service.

    OUR FACTORY

    Main Products:

    Timing belt pulleys, timing bars, timing belt clamping plates.

    Locking elements and shrink discs: could be alternative for Ringfeder, Sati, Chiaravalli, BEA, KBK, Tollok, etc.

    V belt pulleys and taper lock bush.

    Sprockets, idler, and plate wheels.

    Gears and racks: spur gear, helical gear, bevel gear, worm gear, gear rack.

    Shaft couplings: miniature coupling, curved tooth coupling, chain coupling, HRC coupling, normex coupling, FCL coupling, GE coupling, rigid and flexible coupling, jaw coupling, disc coupling, multi-beam coupling, universal joint, torque limiter, shaft collars.

    Forging, Casting, Stamping Parts.
    Other customized power transmission products and Machining Parts (OEM).

     

     

    Application

     

    1. Engineering: machine tools, foundry equipments, conveyors, compressors, painting systems, etc.

    2. Pharmaceuticals& Food Processing: pulp mill blowers, conveyor in warehouse, agitators, grain, boiler, bakery machine, labeling machine, robots, etc.

    3. Agriculture Industries: cultivator, rice winnower tractor, harvester, rice planter, farm equipment, etc.

    4. Texitile Mills: looms, spinning, wrappers, high-speed auto looms, processing machine, twister, carding machine, ruler calendar machine, high speed winder, etc.

    5. Printing Machinery: newspaper press, rotary machine, screen printer machine, linotype machine offset printer, etc.

    6. Paper Industries: chipper roll grinder, cut off saw, edgers, flotation cell and chips saws, etc.

    7. Building Construction Machinery: buffers, elevator floor polisher mixing machine, vibrator, hoists, crusher, etc.

    8. Office Equipments: typewriter, plotters, camera, money drive, money sorting machine, data storage equipment, etc.

    9. Glass and Plastic Industries: conveyor, carton sealers, grinders, creeper paper manufacturing machine, lintec backing, etc.

    10. Home Appliances: vacuum cleaner, laundry machine, icecream machine, sewing machine, kitchen equipments, etc.

     

    FAQ

    Q: Are you trading company or manufacturer ?
    A: We are factory.

    Q: How long is your delivery time?
    A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

    Q: Do you provide samples ? is it free or extra ?
    A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

    Q: What is your terms of payment ?
    A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
    If you have another question, pls feel free to contact us as below:

     

    Contacts

    We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit. To supply customers excellent quality products with good price and punctual delivery time is our responsibility.

    Any question or inquiry, pls contact us without hesitate, we assure any of your inquiry will get our prompt attention and reply!

    Screw Sizes and Their Uses

    Screws have different sizes and features. This article will discuss screw sizes and their uses. There are 2 main types: right-handed and left-handed screw shafts. Each screw features a point that drills into the object. Flat tipped screws, on the other hand, need a pre-drilled hole. These screw sizes are determined by the major and minor diameters. To determine which size of screw you need, measure the diameter of the hole and the screw bolt’s thread depth.

    The major diameter of a screw shaft

    The major diameter of a screw shaft is the distance from the outer edge of the thread on 1 side to the tip of the other. The minor diameter is the inner smooth part of the screw shaft. The major diameter of a screw is typically between 2 and 16 inches. A screw with a pointy tip has a smaller major diameter than 1 without. In addition, a screw with a larger major diameter will have a wider head and drive.
    The thread of a screw is usually characterized by its pitch and angle of engagement. The pitch is the angle formed by the helix of a thread, while the crest forms the surface of the thread corresponding to the major diameter of the screw. The pitch angle is the angle between the gear axis and the pitch surface. Screws without self-locking threads have multiple starts, or helical threads.
    The pitch is a crucial component of a screw’s threading system. Pitch is the distance from a given thread point to the corresponding point of the next thread on the same shaft. The pitch line is 1 element of pitch diameter. The pitch line, or lead, is a crucial dimension for the thread of a screw, as it controls the amount of thread that will advance during a single turn.
    screwshaft

    The pitch diameter of a screw shaft

    When choosing the appropriate screw, it is important to know its pitch diameter and pitch line. The pitch line designates the distance between adjacent thread sides. The pitch diameter is also known as the mean area of the screw shaft. Both of these dimensions are important when choosing the correct screw. A screw with a pitch of 1/8 will have a mechanical advantage of 6.3. For more information, consult an application engineer at Roton.
    The pitch diameter of a screw shaft is measured as the distance between the crest and the root of the thread. Threads that are too long or too short will not fit together in an assembly. To measure pitch, use a measuring tool with a metric scale. If the pitch is too small, it will cause the screw to loosen or get stuck. Increasing the pitch will prevent this problem. As a result, screw diameter is critical.
    The pitch diameter of a screw shaft is measured from the crest of 1 thread to the corresponding point on the next thread. Measurement is made from 1 thread to another, which is then measured using the pitch. Alternatively, the pitch diameter can be approximated by averaging the major and minor diameters. In most cases, the pitch diameter of a screw shaft is equal to the difference between the two.

    The thread depth of a screw shaft

    Often referred to as the major diameter, the thread depth is the outermost diameter of the screw. To measure the thread depth of a screw, use a steel rule, micrometer, or caliper. In general, the first number in the thread designation indicates the major diameter of the thread. If a section of the screw is worn, the thread depth will be smaller, and vice versa. Therefore, it is good practice to measure the section of the screw that receives the least amount of use.
    In screw manufacturing, the thread depth is measured from the crest of the screw to the root. The pitch diameter is halfway between the major and minor diameters. The lead diameter represents the amount of linear distance traveled in 1 revolution. As the lead increases, the load capacity decreases. This measurement is primarily used in the construction of screws. However, it should not be used for precision machines. The thread depth of a screw shaft is essential for achieving accurate screw installation.
    To measure the thread depth of a screw shaft, the manufacturer must first determine how much material the thread is exposed to. If the thread is exposed to side loads, it can cause the nut to wedge. Because the nut will be side loaded, its thread flanks will contact the nut. The less clearance between the nut and the screw, the lower the clearance between the nut and the screw. However, if the thread is centralized, there is no risk of the nut wedgeing.
    screwshaft

    The lead of a screw shaft

    Pitch and lead are 2 measurements of a screw’s linear distance per turn. They’re often used interchangeably, but their definitions are not the same. The difference between them lies in the axial distance between adjacent threads. For single-start screws, the pitch is equal to the lead, while the lead of a multi-start screw is greater than the pitch. This difference is often referred to as backlash.
    There are 2 ways to calculate the pitch and lead of a screw. For single-start screws, the lead and pitch are equal. Multiple-start screws, on the other hand, have multiple starts. The pitch of a multiple-start screw is the same as its lead, but with 2 or more threads running the length of the screw shaft. A square-thread screw is a better choice in applications requiring high load-bearing capacity and minimal friction losses.
    The PV curve defines the safe operating limits of lead screw assemblies. It describes the inverse relationship between contact surface pressure and sliding velocity. As the load increases, the lead screw assembly must slow down in order to prevent irreversible damage from frictional heat. Furthermore, a lead screw assembly with a polymer nut must reduce rpm as the load increases. The more speed, the lower the load capacity. But, the PV factor must be below the maximum allowed value of the material used to make the screw shaft.

    The thread angle of a screw shaft

    The angle between the axes of a thread and the helix of a thread is called the thread angle. A unified thread has a 60-degree angle in all directions. Screws can have either a tapped hole or a captive screw. The screw pitch is measured in millimeters (mm) and is usually equal to the screw major diameter. In most cases, the thread angle will be equal to 60-degrees.
    Screws with different angles have various degrees of thread. Originally, this was a problem because of the inconsistency in the threading. However, Sellers’s thread was easier to manufacture and was soon adopted as a standard throughout the United States. The United States government began to adopt this thread standard in the mid-1800s, and several influential corporations in the railroad industry endorsed it. The resulting standard is called the United States Standard thread, and it became part of the ASA’s Vol. 1 publication.
    There are 2 types of screw threads: coarse and fine. The latter is easier to tighten and achieves tension at lower torques. On the other hand, the coarse thread is deeper than the fine one, making it easier to apply torque to the screw. The thread angle of a screw shaft will vary from bolt to bolt, but they will both fit in the same screw. This makes it easier to select the correct screw.
    screwshaft

    The tapped hole (or nut) into which the screw fits

    A screw can be re-threaded without having to replace it altogether. The process is different than that of a standard bolt, because it requires threading and tapping. The size of a screw is typically specified by its major and minor diameters, which is the inside distance between threads. The thread pitch, which is the distance between each thread, is also specified. Thread pitch is often expressed in threads per inch.
    Screws and bolts have different thread pitches. A coarse thread has fewer threads per inch and a longer distance between threads. It is therefore larger in diameter and longer than the material it is screwed into. A coarse thread is often designated with an “A” or “B” letter. The latter is generally used in smaller-scale metalworking applications. The class of threading is called a “threaded hole” and is designated by a letter.
    A tapped hole is often a complication. There is a wide range of variations between the sizes of threaded holes and nut threads, so the tapped hole is a critical dimension in many applications. However, even if you choose a threaded screw that meets the requisite tolerance, there may be a mismatch in the thread pitch. This can prevent the screw from freely rotating.

    China Standard Aluminum Spacers with Set Screw Double Split Clamping Threaded Shaft Collar   with high qualityChina Standard Aluminum Spacers with Set Screw Double Split Clamping Threaded Shaft Collar   with high quality

    China Professional Custom Cheap Stainless Steel, Brass, Aluminum Spindle Shaft, Driving Motor Shaft wholesaler

    Product Description

    SHINE MOTOR

    Product Description

    Business type Factory/manufacturer

    Service

    CNC machining
    Turning and milling
    CNC turning
    OEM parts

    Material

    (1) Aluminum:AL 6061-T6,6063,7075-T
    (2)Stainless steel:303,304,316L,17-4(SUS630)
    (3)Steel:4140,Q235,Q345B,20#,45#
    (4)Titanium:TA1,TA2/GR2,TA4/GR5,TC4,TC18
    (5)Brass:C36000(HPb62),C37700(HPb59),C26800(H68)
    (6)Copper, bronze, magnesium alloy, Delan, POM, acrylic, PC, etc.
    Service OEM/ODM avaliable

    Finish

    Sandblasting, anodizing, Blackenning, zinc/Nickl plating, Poland
    Powder coating, passivation PVD plating titanium, electrogalvanization
    Chrome plating, electrophoresis, QPQ
    Electrochemical polishing, chrome plating, knurling, laser etching Logo
    Major equipment CNC machining center (milling machine), CNC lathe, grinding machine
    Cylindrical grinding machine, drilling machine, laser cutting machine
    Graphic format STEP, STP, GIS, CAD, PDF, DWG, DXF and other samples
    Tolerance +/-0.003mm
    Surface roughness Ra0.1~3.2
    Inspection Complete testing laboratory with micrometer, optical comparator, caliper vernier, CMM
    Depth caliper vernier, universal protractor, clock gauge, internal Celsius gauge

    Detailed Photos

    Product Parameters

    MATERIAL AVAILABLE
    Aluminum Stainless Steel Brass Copper Plastic Iron
    AL2571 SS201 C22000 C15710 POM Q235
    ALA380 SS301 C24000 C11000 PEEK Q345B
    AL5052 SS303 C26000 C12000 PVC 1214 / 1215
    AL6061 SS304 C28000 C12200 ABS 45#
    AL6063 SS316 C35600 etc. Nylon 20#
    AL6082 SS416 C36000   PP 4140 / 4130
    AL7075 etc. C37000   Delrin 12L14
    etc.   etc.   etc. etc.
    SURFACE TREATMENT
    Aluminum Parts Stainless Steel Parts Steel Parts Brass Parts
    Clear Anodized Polishing Zinc Plating Nickel Plating
    Color Anodized Passivating Oxide black chrome plating
    Sandblast Anodized Sandblasting Nickel Plating Electrophoresis black
    Chemical Film Laser engraving Powder Coated Powder coated
    Brushing Electrophoresis black Heat treatment Gold plating
    Polishing Oxide black Chrome Plating etc.
    Chroming etc etc  
    etc      
    TOLERANCE
    The smallest tolerance can reach +/-0.001mm or as per drawing request.
    DRAWING FORMAT
    PFD Step Igs CAD Solid etc

    Packaging & Shipping

    Company Profile

    HangZhou Shinemotor Co.,Ltd located in HangZhou City, ZheJiang Province of China.
    Mainly specializes in developing, manufacturing and selling all kinds of customized metal and plastic parts.

    Our factory pass SGS, ISO9001/ ISO9001/ ISO14001 verification, parts can be widely used in the fields of automobile,
    medical instruments, electronic communications, industrial and consumer applications and so on.

    We have introduced a series of advanced and high performance production equipment imported from Japan and ZheJiang :
    High precision cnc lathes, 5/6 axis cnc machining centers, plane grinding & centerless grinding machines,
    stamping machines, wire cut machines, EDM and many other high-precision CNC equipment.
    Our inspection equipment includes: projector, 2D, 2.5D, CMM, hardness testing machine, tool microscope, etc.

    We dedicated to developing and producing kinds of brass, aluminum, steel, stainless steel
    And plastic machining parts, stamping parts, and also CZPT design and manufacturing.

    We firmly hold the concept of  ” customer is the first, honesty is the basic, accrete win-win “. 
    Dedicated to providing you with high-quality products and excellent service!
    We sincerely look forward to creating a better future by mutually beneficial cooperation with you.
     

    FAQ

    1. Are you a factory or a trading company?

    A: We are a factory which has been specialized in cnc machining & automatic manufacturing for more than 10 years.

    2. Where is your factory and how can I visit it?
    A: Our factory is located in HangZhou city and you can get more detailed information by browsing our website.

    3. How long can I get some samples for checking and what about the price?
    A: Normally samples will be done within 1-2 days (automatic machining parts) or 3-5 day (cnc machining parts).
    The sample cost depends on all information (size, material, finish, etc.).
    We will return the sample cost if your order quantity is good.

    4. How is the warranty of the products quality control?
    A: We hold the tightend quality controlling from very begining to the end and aim at 100% error free.

    5.How to get an accurate quotation?
    ♦ Drawings, photos, detailed sizes or samples of products.
    ♦ Material of products.
    ♦ Ordinary purchasing quantity.
     Quotation within 1~6 hours

     

    The Four Basic Components of a Screw Shaft

    There are 4 basic components of a screw shaft: the Head, the Thread angle, and the Threaded shank. These components determine the length, shape, and quality of a screw. Understanding how these components work together can make purchasing screws easier. This article will cover these important factors and more. Once you know these, you can select the right type of screw for your project. If you need help choosing the correct type of screw, contact a qualified screw dealer.

    Thread angle

    The angle of a thread on a screw shaft is the difference between the 2 sides of the thread. Threads that are unified have a 60 degree angle. Screws have 2 parts: a major diameter, also known as the screw’s outside diameter, and a minor diameter, or the screw’s root diameter. A screw or nut has a major diameter and a minor diameter. Each has its own angle, but they all have 1 thing in common – the angle of thread is measured perpendicularly to the screw’s axis.
    The pitch of a screw depends on the helix angle of the thread. In a single-start screw, the lead is equal to the pitch, and the thread angle of a multiple-start screw is based on the number of starts. Alternatively, you can use a square-threaded screw. Its square thread minimizes the contact surface between the nut and the screw, which improves efficiency and performance. A square thread requires fewer motors to transfer the same load, making it a good choice for heavy-duty applications.
    A screw thread has 4 components. First, there is the pitch. This is the distance between the top and bottom surface of a nut. This is the distance the thread travels in a full revolution of the screw. Next, there is the pitch surface, which is the imaginary cylinder formed by the average of the crest and root height of each tooth. Next, there is the pitch angle, which is the angle between the pitch surface and the gear axis.
    screwshaft

    Head

    There are 3 types of head for screws: flat, round, and hexagonal. They are used in industrial applications and have a flat outer face and a conical interior. Some varieties have a tamper-resistant pin in the head. These are usually used in the fabrication of bicycle parts. Some are lightweight, and can be easily carried from 1 place to another. This article will explain what each type of head is used for, and how to choose the right 1 for your screw.
    The major diameter is the largest diameter of the thread. This is the distance between the crest and the root of the thread. The minor diameter is the smaller diameter and is the distance between the major and minor diameters. The minor diameter is half the major diameter. The major diameter is the upper surface of the thread. The minor diameter corresponds to the lower extreme of the thread. The thread angle is proportional to the distance between the major and minor diameters.
    Lead screws are a more affordable option. They are easier to manufacture and less expensive than ball screws. They are also more efficient in vertical applications and low-speed operations. Some types of lead screws are also self-locking, and have a high coefficient of friction. Lead screws also have fewer parts. These types of screw shafts are available in various sizes and shapes. If you’re wondering which type of head of screw shaft to buy, this article is for you.

    Threaded shank

    Wood screws are made up of 2 parts: the head and the shank. The shank is not threaded all the way up. It is only partially threaded and contains the drive. This makes them less likely to overheat. Heads on wood screws include Oval, Round, Hex, Modified Truss, and Flat. Some of these are considered the “top” of the screw.
    Screws come in many sizes and thread pitches. An M8 screw has a 1.25-mm thread pitch. The pitch indicates the distance between 2 identical threads. A pitch of 1 is greater than the other. The other is smaller and coarse. In most cases, the pitch of a screw is indicated by the letter M followed by the diameter in millimetres. Unless otherwise stated, the pitch of a screw is greater than its diameter.
    Generally, the shank diameter is smaller than the head diameter. A nut with a drilled shank is commonly used. Moreover, a cotter pin nut is similar to a castle nut. Internal threads are usually created using a special tap for very hard metals. This tap must be followed by a regular tap. Slotted machine screws are usually sold packaged with nuts. Lastly, studs are often used in automotive and machine applications.
    In general, screws with a metric thread are more difficult to install and remove. Fortunately, there are many different types of screw threads, which make replacing screws a breeze. In addition to these different sizes, many of these screws have safety wire holes to keep them from falling. These are just some of the differences between threaded screw and non-threaded. There are many different types of screw threads, and choosing the right 1 will depend on your needs and your budget.
    screwshaft

    Point

    There are 3 types of screw heads with points: cone, oval, and half-dog. Each point is designed for a particular application, which determines its shape and tip. For screw applications, cone, oval, and half-dog points are common. Full dog points are not common, and they are available in a limited number of sizes and lengths. According to ASTM standards, point penetration contributes as much as 15% of the total holding power of the screw, but a cone-shaped point may be more preferred in some circumstances.
    There are several types of set screws, each with its own advantage. Flat-head screws reduce indentation and frequent adjustment. Dog-point screws help maintain a secure grip by securing the collar to the screw shaft. Cup-point set screws, on the other hand, provide a slip-resistant connection. The diameter of a cup-point screw is usually half of its shaft diameter. If the screw is too small, it may slack and cause the screw collar to slip.
    The UNF series has a larger area for tensile stress than coarse threads and is less prone to stripping. It’s used for external threads, limited engagement, and thinner walls. When using a UNF, always use a standard tap before a specialized tap. For example, a screw with a UNF point is the same size as a type C screw but with a shorter length.

    Spacer

    A spacer is an insulating material that sits between 2 parts and centers the shaft of a screw or other fastener. Spacers come in different sizes and shapes. Some of them are made of Teflon, which is thin and has a low coefficient of friction. Other materials used for spacers include steel, which is durable and works well in many applications. Plastic spacers are available in various thicknesses, ranging from 4.6 to 8 mm. They’re suitable for mounting gears and other items that require less contact surface.
    These devices are used for precision fastening applications and are essential fastener accessories. They create clearance gaps between the 2 joined surfaces or components and enable the screw or bolt to be torqued correctly. Here’s a quick guide to help you choose the right spacer for the job. There are many different spacers available, and you should never be without one. All you need is a little research and common sense. And once you’re satisfied with your purchase, you can make a more informed decision.
    A spacer is a component that allows the components to be spaced appropriately along a screw shaft. This tool is used to keep space between 2 objects, such as the spinning wheel and an adjacent metal structure. It also helps ensure that a competition game piece doesn’t rub against an adjacent metal structure. In addition to its common use, spacers can be used in many different situations. The next time you need a spacer, remember to check that the hole in your screw is threaded.
    screwshaft

    Nut

    A nut is a simple device used to secure a screw shaft. The nut is fixed on each end of the screw shaft and rotates along its length. The nut is rotated by a motor, usually a stepper motor, which uses beam coupling to accommodate misalignments in the high-speed movement of the screw. Nuts are used to secure screw shafts to machined parts, and also to mount bearings on adapter sleeves and withdrawal sleeves.
    There are several types of nut for screw shafts. Some have radial anti-backlash properties, which prevent unwanted radial clearances. In addition, they are designed to compensate for thread wear. Several nut styles are available, including anti-backlash radial nuts, which have a spring that pushes down on the nut’s flexible fingers. Axial anti-backlash nuts also provide thread-locking properties.
    To install a ball nut, you must first align the tangs of the ball and nut. Then, you must place the adjusting nut on the shaft and tighten it against the spacer and spring washer. Then, you need to lubricate the threads, the ball grooves, and the spring washers. Once you’ve installed the nut, you can now install the ball screw assembly.
    A nut for screw shaft can be made with either a ball or a socket. These types differ from hex nuts in that they don’t need end support bearings, and are rigidly mounted at the ends. These screws can also have internal cooling mechanisms to improve rigidity. In this way, they are easier to tension than rotating screws. You can also buy hollow stationary screws for rotator nut assemblies. This type is great for applications requiring high heat and wide temperature changes, but you should be sure to follow the manufacturer’s instructions.

    China Professional Custom Cheap Stainless Steel, Brass, Aluminum Spindle Shaft, Driving Motor Shaft   wholesaler China Professional Custom Cheap Stainless Steel, Brass, Aluminum Spindle Shaft, Driving Motor Shaft   wholesaler

    China OEM SBR30 TBR30 High Precision SBR TBR Sc CZPT Lm Sliding Rod Aluminum Linear Shaft for Automatic Precision Printers with Great quality

    Product Description

    SBR30 TBR30 High Precision SBR TBR SC CZPT LM sliding rod Aluminum Linear Shaft For automatic precision printers

    MODEL NO. SHAFT
    DIAMETER
    MAIN DIMENSIONS Mounting dimension BESICLOAD RATING WEEGHT
    (kg)
    h E W L F T h1 o B C S L1 DYNAMIC STATEC
    SBR10UU 10 15 18 36 32 24 7 6 80° 25 20 M5 10 38 56 0.065
    SBR13UU 13 17 20 40 39 27.6 8 8.5 80° 28 26 M5 10 52 80 0.100
    SBR16UU 16 20 22.5 45 45 33 9 10 80° 32 30 M5 12 59 91 0.150
    SBR20UU 20 23 24 48 50 39 11 10 60° 35 35 M6 12 88 140 0.200
    SBR25UU 25 27 30 60 65 47 14 11.5 50° 40 40 M6 12 100 160 0.45
    SBR30UU 30 33 35 70 70 56 15 14 50° 50 50 M8 18 160 280 0.63
    SBR35UU 35 37 40 80 80 63 18 16 50° 55 55 M8 18 170 320 0.92
    SBR40UU 40 42 45 90 90 72 20 19 50° 65 65 M10 20 220 410 1.33
    SBR50UU 50 53 60 120 110 92 25 23 50° 94 80 M10 20 390 810 3.00
                                     
    SBR16LUU 16 20 22.5 45 85 33 9 10 80° 32 60 M5 12 155 236 0.3
    SBR20LUU 20 23 24 48 96 39 11 10 60° 35 70 M6 12 176 274 0.4
    SBR25LUU 25 27 30 60 130 47 14 11.5 50° 40 100 M6 12 196 314 0.9
    SBR30LUU 30 33 35 70 140 56 15 14 50° 50 110 M8 18 314 648 1.26
    SBR40LUU 40 42 45 90 175 72 20 19 50° 65 180 M10 20 432 804 2.66

    Quick Details
    Type: Linear, linear motion
    Precision Rating:
    P0, P4, P5, P6
    Model Number: SBR13
    Material: Steel

    Specifications
    China SBR13 Linear Motion Bearings
    1. Long service life
    2…Low friction
    3. ISO: 9001: 2008
    4. Type: Linear

    Packaging & Delivery
    Packaging Detail: 1pc in a color box or 10pcs in a plastic box. Small box +carton+pallet; According to customers’ requirement
    Delivery Detail: 3-7days

    As a professional linear motion products manufacturer with many years expriences, we could offer many kinds of linear rail and Linear motion bearings with good quality but more competitive price in this field.

    Closed types: SCS6UU/LUU- SCS60UU/LUU
    Open types: SBR12UU/LUU-SBR50UU/LUU
    Open flange types: TBR16UU/LUU-TBR30UU/LUU

    Feature:
    1. Complete sliding units system with high accurrfangce and can be moved without deflection
    2. Long life use.
    3…Prompt delivery and good service.
    4. Stocking feet and low batch wholesale.
    5. ISO9001: 2008, SGS quality certificates
    6. Welcome to inquiry!

    LM linear bearing:

    LM3UU, LM4UU, LM5UU, LM6UU, LM8UU, LM8S, LM10UU, LM12UU, LM13UU, LM16UU,

    LM20UU, LM25UU, LM30UU, LM35UU, LM40UU, LM50UU, LM60UU, LM80UU, LM100UU

    LME linear bearing:            

    LME3UU, LME4UU, LME5UU, LME6UU, LME8UU, LME8S, LME10UU, LME12UU, LME13UU, LME16UU, LME20UU, LME25UU, LME30UU, LME35UU, LME40UU, LME50UU, LME60UU, LME80UU, LME100UU

    LMB linear bearing: LMB4UU, LMB6UU, LMB8UU, LMB10UU, LMB12UU, LMB16UU, LMB24UU, LMB32UU
    LM Open Series linear bearing: LM10OPUU, LM12OPUU, LM13OPUU, LM16OPUU, LM20OPUU, LM25OPUU, LM3OOPU, LM35OPUU, LM40OPUU, LM50OPUU, LM60OPUU, LM80OPUU, LM100OPUU
    KH type linear bearing: KH0622PP, KH0824PP, KH1026PP, KH1228PP, KH1630PP, KH2030PP,

    KH2540PP, KH3050PP, KH4060PP, KH5070PP

    Stell Cage Linear Bearing:

      LM8GA, LM10GA, LM12GA, LM16GA, LM20GA,

    LM25GA, LM30GA, LM35GA, LM40GA, LM50GA, LM60GA

    SDM series Steel cage linear bearing(As same as Ease SDM series): SDM16, SDM20, SDM25, SDM30, SDM35, SDM40, SDM50, SDM60, SDM80, SDM100, SDM120, SDM150
    Flange Type Linear Bearing:

    LMF6UU, LMF8UU, LMF10UU, LMF12UU, LMF13UU, LMF16UU, LMF20UU, LMF25UU, LMF30UU,

    LMF35UU, LMF40UU, LMF50UU, LMF60UU, LMF80UU, LMF100UU

    LMK6UU, LMK8UU, LMK10UU, LMK12UU, LMK13UU, LMK16UU, LMK20UU, LMK25UU, LMK30UU,

    LMK35UU, LMK40UU, LMK50UU, LMK60UU, LMK80UU, LMK100UU

    LMT6UU, LMT8UU, LMT10UU, LMT12UU, LMT13UU, LMT16UU, LMT20UU, LMT25UU, LMT30UU.

    Linear Slide Unit:

    1. Close Type: SC8UU, SC10UU, SC12UU, SC13UU, SC16UU, SC20UU, SC25UU, SC30UU, SC35UU, SC40UU, SC50UU, SC60UU (normal type)

    SC8WUU, SC10WUU, SC12WUU, SC13WUU, SC16WUU, SC20WUU, SC252UU, SC30WUU, SC35WUU, SC40WUU, SC50WUU (long type) SC8VUU, SC10VUU, SC12VUU, SC13VUU, SC16VUU, SC20VUU, SC25VUU, SC30VUU, SC35VUU, SC40VUU, SC50VUU(Short type)

    2. Open Type: SBR10UU, SBR12UU, SBR13UU, SBR16UU, SBR20UU, SBR25UU, SBR30UU, SBR35UU, SBR40UU, SBR50UU(Normal type) SBR10LUU, SBR12LUU, SBR13LUU, SBR16LUU, SBR20LUU, SBR25LUU, SBR30LUU, SBR35LUU, SBR40LUU, SBR50LUU(Long type) TBR16UU, TBR20UU, TBR25UU, TBR30UU (This type with the flange at the pillow block)

    Shaft Support: SK/SHF SHAFT SUPPORT: SK8, SK10, SK12, SK13, SK16, SK20, SK25, SK30, SK35, SK40, SK50, SK60 SHF8, SHF10, SHF12, SHF13, SHF16, SHF20, SHF25, SHF30, SHF35, SHF40, SHF50,

    Screws and Screw Shafts

    A screw is a mechanical device that holds objects together. Screws are usually forged or machined. They are also used in screw jacks and press-fitted vises. Their self-locking properties make them a popular choice in many different industries. Here are some of the benefits of screws and how they work. Also read about their self-locking properties. The following information will help you choose the right screw for your application.

    Machined screw shaft

    A machined screw shaft can be made of various materials, depending on the application. Screw shafts can be made from stainless steel, brass, bronze, titanium, or iron. Most manufacturers use high-precision CNC machines or lathes to manufacture these products. These products come in many sizes and shapes, and they have varying applications. Different materials are used for different sizes and shapes. Here are some examples of what you can use these screws for:
    Screws are widely used in many applications. One of the most common uses is in holding objects together. This type of fastener is used in screw jacks, vises, and screw presses. The thread pitch of a screw can vary. Generally, a smaller pitch results in greater mechanical advantage. Hence, a machined screw shaft should be sized appropriately. This ensures that your product will last for a long time.
    A machined screw shaft should be compatible with various threading systems. In general, the ASME system is used for threaded parts. The threaded hole occupies most of the shaft. The thread of the bolt occupy either part of the shaft, or the entire one. There are also alternatives to bolts, including riveting, rolling pins, and pinned shafts. These alternatives are not widely used today, but they are useful for certain niche applications.
    If you are using a ball screw, you can choose to anneal the screw shaft. To anneal the screw shaft, use a water-soaked rag as a heat barrier. You can choose from 2 different options, depending on your application. One option is to cover the screw shaft with a dust-proof enclosure. Alternatively, you can install a protective heat barrier over the screw shaft. You can also choose to cover the screw shaft with a dust-proof machine.
    If you need a smaller size, you can choose a smaller screw. It may be smaller than a quarter of an inch, but it may still be compatible with another part. The smaller ones, however, will often have a corresponding mating part. These parts are typically denominated by their ANSI numerical size designation, which does not indicate threads-per-inch. There is an industry standard for screw sizes that is a little easier to understand.
    screwshaft

    Ball screw nut

    When choosing a Ball screw nut for a screw shaft, it is important to consider the critical speed of the machine. This value excites the natural frequency of a screw and determines how fast it can be turned. In other words, it varies with the screw diameter and unsupported length. It also depends on the screw shaft’s diameter and end fixity. Depending on the application, the nut can be run at a maximum speed of about 80% of its theoretical critical speed.
    The inner return of a ball nut is a cross-over deflector that forces the balls to climb over the crest of the screw. In 1 revolution of the screw, a ball will cross over the nut crest to return to the screw. Similarly, the outer circuit is a circular shape. Both flanges have 1 contact point on the ball shaft, and the nut is connected to the screw shaft by a screw.
    The accuracy of ball screws depends on several factors, including the manufacturing precision of the ball grooves, the compactness of the assembly, and the set-up precision of the nut. Depending on the application, the lead accuracy of a ball screw nut may vary significantly. To improve lead accuracy, preloading, and lubrication are important. Ewellix ball screw assembly specialists can help you determine the best option for your application.
    A ball screw nut should be preloaded prior to installation in order to achieve the expected service life. The smallest amount of preload required can reduce a ball screw’s calculated life by as much as 90 percent. Using a lubricant of a standard grade is recommended. Some lubricants contain additives. Using grease or oil in place of oil can prolong the life of the screw.
    A ball screw nut is a type of threaded nut that is used in a number of different applications. It works similar to a ball bearing in that it contains hardened steel balls that move along a series of inclined races. When choosing a ball screw nut, engineers should consider the following factors: speed, life span, mounting, and lubrication. In addition, there are other considerations, such as the environment in which the screw is used.
    screwshaft

    Self-locking property of screw shaft

    A self-locking screw is 1 that is capable of rotating without the use of a lock washer or bolt. This property is dependent on a number of factors, but 1 of them is the pitch angle of the thread. A screw with a small pitch angle is less likely to self-lock, while a large pitch angle is more likely to spontaneously rotate. The limiting angle of a self-locking thread can be calculated by calculating the torque Mkdw at which the screw is first released.
    The pitch angle of the screw’s threads and its coefficient of friction determine the self-locking function of the screw. Other factors that affect its self-locking function include environmental conditions, high or low temperature, and vibration. Self-locking screws are often used in single-line applications and are limited by the size of their pitch. Therefore, the self-locking property of the screw shaft depends on the specific application.
    The self-locking feature of a screw is an important factor. If a screw is not in a state of motion, it can be a dangerous or unusable machine. The self-locking property of a screw is critical in many applications, from corkscrews to threaded pipe joints. Screws are also used as power linkages, although their use is rarely necessary for high-power operations. In the archimedes’ screw, for example, the blades of the screw rotate around an axis. A screw conveyor uses a rotating helical chamber to move materials. A micrometer uses a precision-calibrated screw to measure length.
    Self-locking screws are commonly used in lead screw technology. Their pitch and coefficient of friction are important factors in determining the self-locking property of screws. This property is advantageous in many applications because it eliminates the need for a costly brake. Its self-locking property means that the screw will be secure without requiring a special kind of force or torque. There are many other factors that contribute to the self-locking property of a screw, but this is the most common factor.
    Screws with right-hand threads have threads that angle up to the right. The opposite is true for left-hand screws. While turning a screw counter-clockwise will loosen it, a right-handed person will use a right-handed thumb-up to turn it. Similarly, a left-handed person will use their thumb to turn a screw counter-clockwise. And vice versa.
    screwshaft

    Materials used to manufacture screw shaft

    Many materials are commonly used to manufacture screw shafts. The most common are steel, stainless steel, brass, bronze, and titanium. These materials have advantages and disadvantages that make them good candidates for screw production. Some screw types are also made of copper to fight corrosion and ensure durability over time. Other materials include nylon, Teflon, and aluminum. Brass screws are lightweight and have aesthetic appeal. The choice of material for a screw shaft depends on the use it will be made for.
    Shafts are typically produced using 3 steps. Screws are manufactured from large coils, wire, or round bar stock. After these are produced, the blanks are cut to the appropriate length and cold headed. This cold working process pressudes features into the screw head. More complicated screw shapes may require 2 heading processes to achieve the desired shape. The process is very precise and accurate, so it is an ideal choice for screw manufacturing.
    The type of material used to manufacture a screw shaft is crucial for the function it will serve. The type of material chosen will depend on where the screw is being used. If the screw is for an indoor project, you can opt for a cheaper, low-tech screw. But if the screw is for an outdoor project, you’ll need to use a specific type of screw. This is because outdoor screws will be exposed to humidity and temperature changes. Some screws may even be coated with a protective coating to protect them from the elements.
    Screws can also be self-threading and self-tapping. The self-threading or self-tapping screw creates a complementary helix within the material. Other screws are made with a thread which cuts into the material it fastens. Other types of screws create a helical groove on softer material to provide compression. The most common uses of a screw include holding 2 components together.
    There are many types of bolts available. Some are more expensive than others, but they are generally more resistant to corrosion. They can also be made from stainless steel or aluminum. But they require high-strength materials. If you’re wondering what screws are, consider this article. There are tons of options available for screw shaft manufacturing. You’ll be surprised how versatile they can be! The choice is yours, and you can be confident that you’ll find the screw shaft that will best fit your application.

    China OEM SBR30 TBR30 High Precision SBR TBR Sc CZPT Lm Sliding Rod Aluminum Linear Shaft for Automatic Precision Printers   with Great qualityChina OEM SBR30 TBR30 High Precision SBR TBR Sc CZPT Lm Sliding Rod Aluminum Linear Shaft for Automatic Precision Printers   with Great quality

    China Best Sales Shaft, Pump Shaft, Motor Axle, Motor Axis 12mm Aluminum Spline Shaft with Hot selling

    Product Description

     

    Product Description

    Business type Factory/manufacturer

    Service

    CNC machining
    Turning and milling
    CNC turning
    OEM parts

    Material

    (1) Aluminum:AL 6061-T6,6063,7075-T
    (2)Stainless steel:303,304,316L,17-4(SUS630)
    (3)Steel:4140,Q235,Q345B,20#,45#
    (4)Titanium:TA1,TA2/GR2,TA4/GR5,TC4,TC18
    (5)Brass:C36000(HPb62),C37700(HPb59),C26800(H68)
    (6)Copper, bronze, magnesium alloy, Delan, POM, acrylic, PC, etc.
    Service OEM/ODM avaliable

    Finish

    Sandblasting, anodizing, Blackenning, zinc/Nickl plating, Poland
    Powder coating, passivation PVD plating titanium, electrogalvanization
    Chrome plating, electrophoresis, QPQ
    Electrochemical polishing, chrome plating, knurling, laser etching Logo
    Major equipment CNC machining center (milling machine), CNC lathe, grinding machine
    Cylindrical grinding machine, drilling machine, laser cutting machine
    Graphic format STEP, STP, GIS, CAD, PDF, DWG, DXF and other samples
    Tolerance +/-0.003mm
    Surface roughness Ra0.1~3.2
    Inspection Complete testing laboratory with micrometer, optical comparator, caliper vernier, CMM
    Depth caliper vernier, universal protractor, clock gauge, internal Celsius gauge

    Detailed Photos

    Product Parameters

    MATERIAL AVAILABLE
    Aluminum Stainless Steel Brass Copper Plastic Iron
    AL2571 SS201 C22000 C15710 POM Q235
    ALA380 SS301 C24000 C11000 PEEK Q345B
    AL5052 SS303 C26000 C12000 PVC 1214 / 1215
    AL6061 SS304 C28000 C12200 ABS 45#
    AL6063 SS316 C35600 etc. Nylon 20#
    AL6082 SS416 C36000   PP 4140 / 4130
    AL7075 etc. C37000   Delrin 12L14
    etc.   etc.   etc. etc.
    SURFACE TREATMENT
    Aluminum Parts Stainless Steel Parts Steel Parts Brass Parts
    Clear Anodized Polishing Zinc Plating Nickel Plating
    Color Anodized Passivating Oxide black chrome plating
    Sandblast Anodized Sandblasting Nickel Plating Electrophoresis black
    Chemical Film Laser engraving Powder Coated Powder coated
    Brushing Electrophoresis black Heat treatment Gold plating
    Polishing Oxide black Chrome Plating etc.
    Chroming etc etc  
    etc      
    TOLERANCE
    The smallest tolerance can reach +/-0.001mm or as per drawing request.
    DRAWING FORMAT
    PFD Step Igs CAD Solid etc

    Packaging & Shipping

    Company Profile

    HangZhou Shinemotor Co.,Ltd located in HangZhou City, ZheJiang Province of China.
    Mainly specializes in developing, manufacturing and selling all kinds of customized metal and plastic parts.

    Our factory pass SGS, ISO9001/ ISO9001/ ISO14001 verification, parts can be widely used in the fields of automobile,
    medical instruments, electronic communications, industrial and consumer applications and so on.

    We have introduced a series of advanced and high performance production equipment imported from Japan and ZheJiang :
    High precision cnc lathes, 5/6 axis cnc machining centers, plane grinding & centerless grinding machines,
    stamping machines, wire cut machines, EDM and many other high-precision CNC equipment.
    Our inspection equipment includes: projector, 2D, 2.5D, CMM, hardness testing machine, tool microscope, etc.

    We dedicated to developing and producing kinds of brass, aluminum, steel, stainless steel
    And plastic machining parts, stamping parts, and also CZPT design and manufacturing.

    We firmly hold the concept of  ” customer is the first, honesty is the basic, accrete win-win “. 
    Dedicated to providing you with high-quality products and excellent service!
    We sincerely look forward to creating a better future by mutually beneficial cooperation with you.
     

    FAQ

    1. Are you a factory or a trading company?

    A: We are a factory which has been specialized in cnc machining & automatic manufacturing for more than 10 years.

    2. Where is your factory and how can I visit it?
    A: Our factory is located in HangZhou city and you can get more detailed information by browsing our website.

    3. How long can I get some samples for checking and what about the price?
    A: Normally samples will be done within 1-2 days (automatic machining parts) or 3-5 day (cnc machining parts).
    The sample cost depends on all information (size, material, finish, etc.).
    We will return the sample cost if your order quantity is good.

    4. How is the warranty of the products quality control?
    A: We hold the tightend quality controlling from very begining to the end and aim at 100% error free.

    5.How to get an accurate quotation?
    ♦ Drawings, photos, detailed sizes or samples of products.
    ♦ Material of products.
    ♦ Ordinary purchasing quantity.
     Quotation within 1~6 hours

     

    Screw Sizes and Their Uses

    Screws have different sizes and features. This article will discuss screw sizes and their uses. There are 2 main types: right-handed and left-handed screw shafts. Each screw features a point that drills into the object. Flat tipped screws, on the other hand, need a pre-drilled hole. These screw sizes are determined by the major and minor diameters. To determine which size of screw you need, measure the diameter of the hole and the screw bolt’s thread depth.

    The major diameter of a screw shaft

    The major diameter of a screw shaft is the distance from the outer edge of the thread on 1 side to the tip of the other. The minor diameter is the inner smooth part of the screw shaft. The major diameter of a screw is typically between 2 and 16 inches. A screw with a pointy tip has a smaller major diameter than 1 without. In addition, a screw with a larger major diameter will have a wider head and drive.
    The thread of a screw is usually characterized by its pitch and angle of engagement. The pitch is the angle formed by the helix of a thread, while the crest forms the surface of the thread corresponding to the major diameter of the screw. The pitch angle is the angle between the gear axis and the pitch surface. Screws without self-locking threads have multiple starts, or helical threads.
    The pitch is a crucial component of a screw’s threading system. Pitch is the distance from a given thread point to the corresponding point of the next thread on the same shaft. The pitch line is 1 element of pitch diameter. The pitch line, or lead, is a crucial dimension for the thread of a screw, as it controls the amount of thread that will advance during a single turn.
    screwshaft

    The pitch diameter of a screw shaft

    When choosing the appropriate screw, it is important to know its pitch diameter and pitch line. The pitch line designates the distance between adjacent thread sides. The pitch diameter is also known as the mean area of the screw shaft. Both of these dimensions are important when choosing the correct screw. A screw with a pitch of 1/8 will have a mechanical advantage of 6.3. For more information, consult an application engineer at Roton.
    The pitch diameter of a screw shaft is measured as the distance between the crest and the root of the thread. Threads that are too long or too short will not fit together in an assembly. To measure pitch, use a measuring tool with a metric scale. If the pitch is too small, it will cause the screw to loosen or get stuck. Increasing the pitch will prevent this problem. As a result, screw diameter is critical.
    The pitch diameter of a screw shaft is measured from the crest of 1 thread to the corresponding point on the next thread. Measurement is made from 1 thread to another, which is then measured using the pitch. Alternatively, the pitch diameter can be approximated by averaging the major and minor diameters. In most cases, the pitch diameter of a screw shaft is equal to the difference between the two.

    The thread depth of a screw shaft

    Often referred to as the major diameter, the thread depth is the outermost diameter of the screw. To measure the thread depth of a screw, use a steel rule, micrometer, or caliper. In general, the first number in the thread designation indicates the major diameter of the thread. If a section of the screw is worn, the thread depth will be smaller, and vice versa. Therefore, it is good practice to measure the section of the screw that receives the least amount of use.
    In screw manufacturing, the thread depth is measured from the crest of the screw to the root. The pitch diameter is halfway between the major and minor diameters. The lead diameter represents the amount of linear distance traveled in 1 revolution. As the lead increases, the load capacity decreases. This measurement is primarily used in the construction of screws. However, it should not be used for precision machines. The thread depth of a screw shaft is essential for achieving accurate screw installation.
    To measure the thread depth of a screw shaft, the manufacturer must first determine how much material the thread is exposed to. If the thread is exposed to side loads, it can cause the nut to wedge. Because the nut will be side loaded, its thread flanks will contact the nut. The less clearance between the nut and the screw, the lower the clearance between the nut and the screw. However, if the thread is centralized, there is no risk of the nut wedgeing.
    screwshaft

    The lead of a screw shaft

    Pitch and lead are 2 measurements of a screw’s linear distance per turn. They’re often used interchangeably, but their definitions are not the same. The difference between them lies in the axial distance between adjacent threads. For single-start screws, the pitch is equal to the lead, while the lead of a multi-start screw is greater than the pitch. This difference is often referred to as backlash.
    There are 2 ways to calculate the pitch and lead of a screw. For single-start screws, the lead and pitch are equal. Multiple-start screws, on the other hand, have multiple starts. The pitch of a multiple-start screw is the same as its lead, but with 2 or more threads running the length of the screw shaft. A square-thread screw is a better choice in applications requiring high load-bearing capacity and minimal friction losses.
    The PV curve defines the safe operating limits of lead screw assemblies. It describes the inverse relationship between contact surface pressure and sliding velocity. As the load increases, the lead screw assembly must slow down in order to prevent irreversible damage from frictional heat. Furthermore, a lead screw assembly with a polymer nut must reduce rpm as the load increases. The more speed, the lower the load capacity. But, the PV factor must be below the maximum allowed value of the material used to make the screw shaft.

    The thread angle of a screw shaft

    The angle between the axes of a thread and the helix of a thread is called the thread angle. A unified thread has a 60-degree angle in all directions. Screws can have either a tapped hole or a captive screw. The screw pitch is measured in millimeters (mm) and is usually equal to the screw major diameter. In most cases, the thread angle will be equal to 60-degrees.
    Screws with different angles have various degrees of thread. Originally, this was a problem because of the inconsistency in the threading. However, Sellers’s thread was easier to manufacture and was soon adopted as a standard throughout the United States. The United States government began to adopt this thread standard in the mid-1800s, and several influential corporations in the railroad industry endorsed it. The resulting standard is called the United States Standard thread, and it became part of the ASA’s Vol. 1 publication.
    There are 2 types of screw threads: coarse and fine. The latter is easier to tighten and achieves tension at lower torques. On the other hand, the coarse thread is deeper than the fine one, making it easier to apply torque to the screw. The thread angle of a screw shaft will vary from bolt to bolt, but they will both fit in the same screw. This makes it easier to select the correct screw.
    screwshaft

    The tapped hole (or nut) into which the screw fits

    A screw can be re-threaded without having to replace it altogether. The process is different than that of a standard bolt, because it requires threading and tapping. The size of a screw is typically specified by its major and minor diameters, which is the inside distance between threads. The thread pitch, which is the distance between each thread, is also specified. Thread pitch is often expressed in threads per inch.
    Screws and bolts have different thread pitches. A coarse thread has fewer threads per inch and a longer distance between threads. It is therefore larger in diameter and longer than the material it is screwed into. A coarse thread is often designated with an “A” or “B” letter. The latter is generally used in smaller-scale metalworking applications. The class of threading is called a “threaded hole” and is designated by a letter.
    A tapped hole is often a complication. There is a wide range of variations between the sizes of threaded holes and nut threads, so the tapped hole is a critical dimension in many applications. However, even if you choose a threaded screw that meets the requisite tolerance, there may be a mismatch in the thread pitch. This can prevent the screw from freely rotating.

    China Best Sales Shaft, Pump Shaft, Motor Axle, Motor Axis 12mm Aluminum Spline Shaft   with Hot sellingChina Best Sales Shaft, Pump Shaft, Motor Axle, Motor Axis 12mm Aluminum Spline Shaft   with Hot selling

    China factory Standard Aluminum Double Split Shaft Collar with Good quality

    Product Description

    Standard Aluminum Double Split Shaft Collar

    Product Description

    MIGHTY can manufacture shaft collars in multiple styles to fit shaft diameter ranging from 3mm to 100mm in the metric series and 1/8″ to 4″ in the inch series.

    Material: steel, stainless steel, aluminum, cast iron or other specified materials.

    Surface treatment: black oxide, self colour oiled, zinc plated, anodize, phosphated or other specified treatment.

    Types

    1Solid Setscrew shaft collar,Hex bore shaft collar,One Piece shaft collar,Two

    2.Piece shaft collar,Threaded shaft collar,Single split shaft collar,Double split shaft collar

    3.Our products can be made according to Climax,Holo-Krome,Stafford,Ruland etc. 

    Features

    1.Effective on hard and soft shafts

    2.Cost effective collar design

    3.Easily installed where major disassembly would otherwise be required Simply slide these collars onto a shaft    and tighten the set screw to hold the collar in place.Collars are easy to adjust with their set screws.

    Note 

    1.Material:AL,Steel,Stainless steel,Alloy,Copper,Plastic

    2.Finish: Black oxide, self-colour, oiled, zinc plated

    3.Processes:Broaching/ Hobbing/ Slotting/tapping

    4.Package:box/carton/wooden case

    5.Lead time:20-35 days

    6.ISO9001:2008 Certificated

    Dimensions:

    Product name: shaft collar,Set Screw 
    Material:Steel/Aluminum/Stainless Steel
    Surface treatment:

    Steel – Plain finish
    Steel – Black Oxide finish
    Steel – Zinc Plated finish
    Stainless Steel Steel
    Black-Oxide Alloy Steel

    Metric Double Split Clamp shaft collars:

    Inch Double Split Clamp shaft collars:

     

     

     

    PACKING

    Packaging
                          
        Packing  

     

    We use standard export wooden case, carton and pallet, but we can also pack it as per your special requirements.

    OUR COMPANY

    ZheJiang Mighty Machinery Co., Ltd. specializes in offering best service and the most competitive price for our customer.

    After over 10 years’ hard work, MIGHTY’s business has grown rapidly and become an important partner for oversea clients in the industrial field and become a holding company for 3 manufacturing factories.

    MIGHTY’s products have obtained reputation of domestic and oversea customers with taking advantage of technology, management, quality and very competitive price.

     

    Your satisfaction is the biggest motivation for our work, choose us to get high quality products and best service.

    OUR FACTORY



     

     

     

    Main Products:

    Timing belt pulleys, timing bars, timing belt clamping plates.

    Locking elements and shrink discs: could be alternative for Ringfeder, Sati, Chiaravalli, BEA, KBK, Tollok, etc.

    V belt pulleys and taper lock bush.

    Sprockets, idler, and plate wheels.

    Gears and racks: spur gear, helical gear, bevel gear, worm gear, gear rack.

    Shaft couplings: miniature coupling, curved tooth coupling, chain coupling, HRC coupling, normex coupling, FCL coupling, GE coupling, rigid and flexible coupling, jaw coupling, disc coupling, multi-beam coupling, universal joint, torque limiter, shaft collars.

    Forging, Casting, Stamping Parts.
    Other customized power transmission products and Machining Parts (OEM).

     

     

    Application

     

    1. Engineering: machine tools, foundry equipments, conveyors, compressors, painting systems, etc.

    2. Pharmaceuticals& Food Processing: pulp mill blowers, conveyor in warehouse, agitators, grain, boiler, bakery machine, labeling machine, robots, etc.

    3. Agriculture Industries: cultivator, rice winnower tractor, harvester, rice planter, farm equipment, etc.

    4. Texitile Mills: looms, spinning, wrappers, high-speed auto looms, processing machine, twister, carding machine, ruler calendar machine, high speed winder, etc.

    5. Printing Machinery: newspaper press, rotary machine, screen printer machine, linotype machine offset printer, etc.

    6. Paper Industries: chipper roll grinder, cut off saw, edgers, flotation cell and chips saws, etc.

    7. Building Construction Machinery: buffers, elevator floor polisher mixing machine, vibrator, hoists, crusher, etc.

    8. Office Equipments: typewriter, plotters, camera, money drive, money sorting machine, data storage equipment, etc.

    9. Glass and Plastic Industries: conveyor, carton sealers, grinders, creeper paper manufacturing machine, lintec backing, etc.

    10. Home Appliances: vacuum cleaner, laundry machine, icecream machine, sewing machine, kitchen equipments, etc.

     

    FAQ

    Q: Are you trading company or manufacturer ?
    A: We are factory.

    Q: How long is your delivery time?
    A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

    Q: Do you provide samples ? is it free or extra ?
    A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

    Q: What is your terms of payment ?
    A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
    If you have another question, pls feel free to contact us as below:

     

    Contacts

    We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit. To supply customers excellent quality products with good price and punctual delivery time is our responsibility.

    Any question or inquiry, pls contact us without hesitate, we assure any of your inquiry will get our prompt attention and reply!
     

    Screw Shaft Types and Uses

    Various uses for the screw shaft are numerous. Its major diameter is the most significant characteristic, while other aspects include material and function are important. Let us explore these topics in more detail. There are many different types of screw shafts, which include bronze, brass, titanium, and stainless steel. Read on to learn about the most common types. Listed below are some of the most common uses for a screw shaft. These include: C-clamps, screw jacks, vises, and more.
    screwshaft

    Major diameter of a screw shaft

    A screw’s major diameter is measured in fractions of an inch. This measurement is commonly found on the screw label. A screw with a major diameter less than 1/4″ is labeled #0 to #14; those with a larger diameter are labeled fractions of an inch in a corresponding decimal scale. The length of a screw, also known as the shaft, is another measure used for the screw.
    The major diameter of a screw shaft is the greater of its 2 outer diameters. When determining the major diameter of a screw, use a caliper, micrometer, or steel rule to make an accurate measurement. Generally, the first number in the thread designation refers to the major diameter. Therefore, if a screw has a thread of 1/2-10 Acme, the major diameter of the thread is.500 inches. The major diameter of the screw shaft will be smaller or larger than the original diameter, so it’s a good idea to measure the section of the screw that’s least used.
    Another important measurement is the pitch. This measures the distance between 1 thread’s tip and the next thread’s corresponding point. Pitch is an important measurement because it refers to the distance a screw will advance in 1 turn. While lead and pitch are 2 separate concepts, they are often used interchangeably. As such, it’s important to know how to use them properly. This will make it easier to understand how to select the correct screw.
    There are 3 different types of threads. The UTS and ISO metric threads are similar, but their common values for Dmaj and Pmaj are different. A screw’s major diameter is the largest diameter, while the minor diameter is the lowest. A nut’s major diameter, or the minor diameter, is also called the nut’s inside diameter. A bolt’s major diameter and minor diameter are measured with go/no-go gauges or by using an optical comparator.
    The British Association and American Society of Mechanical Engineers standardized screw threads in the 1840s. A standard named “British Standard Whitworth” became a common standard for screw threads in the United States through the 1860s. In 1864, William Sellers proposed a new standard that simplified the Whitworth thread and had a 55 degree angle at the tip. Both standards were widely accepted. The major diameter of a screw shaft can vary from 1 manufacturer to another, so it’s important to know what size screw you’re looking for.
    In addition to the thread angle, a screw’s major diameter determines the features it has and how it should be used. A screw’s point, or “thread”, is usually spiky and used to drill into an object. A flat tipped screw, on the other hand, is flat and requires a pre-drilled hole for installation. Finally, the diameter of a screw bolt is determined by the major and minor diameters.
    screwshaft

    Material of a screw shaft

    A screw shaft is a piece of machine equipment used to move raw materials. The screw shaft typically comprises a raw material w. For a particular screw to function correctly, the raw material must be sized properly. In general, screw shafts should have an axial-direction length L equal to the moving amount k per 1/2 rotation of the screw. The screw shaft must also have a proper contact angle ph1 in order to prevent raw material from penetrating the screw shaft.
    The material used for the shaft depends on its application. A screw with a ball bearing will work better with a steel shaft than 1 made of aluminum. Aluminum screw shafts are the most commonly used for this application. Other materials include titanium. Some manufacturers also prefer stainless steel. However, if you want a screw with a more modern appearance, a titanium shaft is the way to go. In addition to that, screws with a chromium finish have better wear resistance.
    The material of a screw shaft is important for a variety of applications. It needs to have high precision threads and ridges to perform its function. Manufacturers often use high-precision CNC machines and lathes to create screw shafts. Different screw shafts can have varying sizes and shapes, and each 1 will have different applications. Listed below are the different materials used for screw shafts. If you’re looking for a high-quality screw shaft, you should shop around.
    A lead screw has an inverse relationship between contact surface pressure and sliding velocity. For heavier axial loads, a reduced rotation speed is needed. This curve will vary depending on the material used for the screw shaft and its lubrication conditions. Another important factor is end fixity. The material of a screw shaft can be either fixed or free, so make sure to consider this factor when choosing the material of your screw. The latter can also influence the critical speed and rigidity of the screw.
    A screw shaft’s major diameter is the distance between the outer edge of the thread and the inner smooth part. Screw shafts are typically between 2 and 16 millimeters in diameter. They feature a cylindrical shape, a pointy tip, and a wider head and drive than the former. There are 2 basic types of screw heads: threaded and non-threaded. These have different properties and purposes.
    Lead screws are a cost-effective alternative to ball screws, and are used for low power and light to medium-duty applications. They offer some advantages, but are not recommended for continuous power transmission. But lead screws are often quieter and smaller, which make them useful for many applications. Besides, they are often used in a kinematic pair with a nut object. They are also used to position objects.
    screwshaft

    Function of a screw shaft

    When choosing a screw for a linear motion system, there are many factors that should be considered, such as the position of the actuator and the screw and nut selection. Other considerations include the overall length of travel, the fastest move profile, the duty cycle, and the repeatability of the system. As a result, screw technology plays a critical role in the overall performance of a system. Here are the key factors to consider when choosing a screw.
    Screws are designed with an external threading that digs out material from a surface or object. Not all screw shafts have complete threading, however. These are known as partially threaded screws. Fully threaded screws feature complete external threading on the shaft and a pointed tip. In addition to their use as fasteners, they can be used to secure and tighten many different types of objects and appliances.
    Another factor to consider is axial force. The higher the force, the bigger the screw needs to be. Moreover, screws are similar to columns that are subject to both tension and compression loads. During the compression load, bowing or deflection is not desirable, so the integrity of the screw is important. So, consider the design considerations of your screw shaft and choose accordingly. You can also increase the torque by using different shaft sizes.
    Shaft collars are also an important consideration. These are used to secure and position components on the shaft. They also act as stroke limiters and to retain sprocket hubs, bearings, and shaft protectors. They are available in several different styles. In addition to single and double split shaft collars, they can be threaded or set screw. To ensure that a screw collar will fit tightly to the shaft, the cap must not be overtightened.
    Screws can be cylindrical or conical and vary in length and diameter. They feature a thread that mates with a complementary helix in the material being screwed into. A self-tapping screw will create a complementary helix during driving, creating a complementary helix that allows the screw to work with the material. A screw head is also an essential part of a screw, providing gripping power and compression to the screw.
    A screw’s pitch and lead are also important parameters to consider. The pitch of the screw is the distance between the crests of the threads, which increases mechanical advantage. If the pitch is too small, vibrations will occur. If the pitch is too small, the screw may cause excessive wear and tear on the machine and void its intended purpose. The screw will be useless if it can’t be adjusted. And if it can’t fit a shaft with the required diameter, then it isn’t a good choice.
    Despite being the most common type, there are various types of screws that differ in their functions. For example, a machine screw has a round head, while a truss head has a lower-profile dome. An oval-its point screw is a good choice for situations where the screw needs to be adjusted frequently. Another type is a soft nylon tip, which looks like a Half-dog point. It is used to grip textured or curved surfaces.

    China factory Standard Aluminum Double Split Shaft Collar   with Good qualityChina factory Standard Aluminum Double Split Shaft Collar   with Good quality

    China Professional CNC Machining Shaft Aluminum Hollow Shaft CZPT Shaft with Good quality

    Product Description

    Surface treatment for CNC Machining part:  

    1 Zinc/nickel/chrome plating
    2 hot galvanized
    3 painting
    4 powder coating
    5 Anodize Oxidation, or with colors: like silver, blue, red, etc. 
    6  plating, silver-plated, Gold-plated, etc
    7 polishing
    8 electrolytic polishing
    9 sank without electricity nickel
    etc etc.    

    HangZhou CZPT Machinery Co., Ltd. is located in HangZhou, HangZhou. Based on the advantages of specialized talents, it has formed 4 professional project sections with excellent technical equipment, sound quality assurance system and standardized production environment: mechanical procssing, sheet metal stamping production, Mold manufacturing, high-speed rice transplanter, with the high recognition of the majority of mature customers, cast the “Xin Rifeng” brand in the industry’s well-known position, and strive to build an intelligent manufacturing service system.

    It is people-oriented, Difeng people focus on the production of high-quality rice transplanter planting department with high quality and advanced technology, all kinds of mold design, R&D and manufacturing required for sheet metal stamping; at the same time, develop continuous die and welding.

    We always adhere to the customer’s position to solve the problem, the product to achieve process optimization, reduce costs, and continue to reduce materials for the purpose, so for the domestic major Asian high-speed main engine factory and high-speed rice transplanter market, some products are sold to Pakistan, Vietnam, Countries and regions such as India. It has successively become an excellent supplier of domestic famous enterprises such as Japanese Yanmar, Japan Kubota, Nideko Electric, Hailiwei and ZheJiang Xihu (West Lake) Dis.. The company has successively obtained the “HangZhou Small and Medium-sized Specialized Special New Product (Technology) Certificate” and “ISO9001 Quality Certification” and successfully registered the “Xin Rifeng” trademark.

    High-quality equipment is the guarantee of product processing quality and capability. Our company always pays attention to the latest technology in mechanical processing and sheet metal stamping. It assembles advanced equipment and testing equipment according to market trends. CNC machine tools all use large-scale numerical control equipment imported from ZheJiang . Keep up with the pace of the times and stay ahead of the industry.

    FAQ

    Q1. Are you a factory or a trading company?
      We are a factory, welcome to visit our factory.
     
    Q2. What kind of production services do you provide?
    Mold manufacturing, die casting, CNC machining, stamping, injection molding, assembly and surface treatment.
     
    Q3. What’s the delivery date?
    Mold: 3-5 weeks
    Mass production: 3-4 weeks
     
    Q4. How is your quality?
    ♦We have obtained ISO9001:2015 and IATF16949 certificates.
    ♦Once the sample is passed, we will make the operating instructions.
    ♦We will check the products 100% before shipment.
     
    Q5. How long will it take for us to get a quotation?
      After receiving the detailed information (your 2D/3D drawings or samples), we will quote you within 2 days.

    Q6. What are the elements of your quotation?
    Drawings or samples, materials, surface treatment and quantity.
     
    Q7. What are your payment terms?
      Mold: 50% prepaid, the balance after sample approval.
      Goods: 50% prepaid, balance T/T before shipment.

    The Four Basic Components of a Screw Shaft

    There are 4 basic components of a screw shaft: the Head, the Thread angle, and the Threaded shank. These components determine the length, shape, and quality of a screw. Understanding how these components work together can make purchasing screws easier. This article will cover these important factors and more. Once you know these, you can select the right type of screw for your project. If you need help choosing the correct type of screw, contact a qualified screw dealer.

    Thread angle

    The angle of a thread on a screw shaft is the difference between the 2 sides of the thread. Threads that are unified have a 60 degree angle. Screws have 2 parts: a major diameter, also known as the screw’s outside diameter, and a minor diameter, or the screw’s root diameter. A screw or nut has a major diameter and a minor diameter. Each has its own angle, but they all have 1 thing in common – the angle of thread is measured perpendicularly to the screw’s axis.
    The pitch of a screw depends on the helix angle of the thread. In a single-start screw, the lead is equal to the pitch, and the thread angle of a multiple-start screw is based on the number of starts. Alternatively, you can use a square-threaded screw. Its square thread minimizes the contact surface between the nut and the screw, which improves efficiency and performance. A square thread requires fewer motors to transfer the same load, making it a good choice for heavy-duty applications.
    A screw thread has 4 components. First, there is the pitch. This is the distance between the top and bottom surface of a nut. This is the distance the thread travels in a full revolution of the screw. Next, there is the pitch surface, which is the imaginary cylinder formed by the average of the crest and root height of each tooth. Next, there is the pitch angle, which is the angle between the pitch surface and the gear axis.
    screwshaft

    Head

    There are 3 types of head for screws: flat, round, and hexagonal. They are used in industrial applications and have a flat outer face and a conical interior. Some varieties have a tamper-resistant pin in the head. These are usually used in the fabrication of bicycle parts. Some are lightweight, and can be easily carried from 1 place to another. This article will explain what each type of head is used for, and how to choose the right 1 for your screw.
    The major diameter is the largest diameter of the thread. This is the distance between the crest and the root of the thread. The minor diameter is the smaller diameter and is the distance between the major and minor diameters. The minor diameter is half the major diameter. The major diameter is the upper surface of the thread. The minor diameter corresponds to the lower extreme of the thread. The thread angle is proportional to the distance between the major and minor diameters.
    Lead screws are a more affordable option. They are easier to manufacture and less expensive than ball screws. They are also more efficient in vertical applications and low-speed operations. Some types of lead screws are also self-locking, and have a high coefficient of friction. Lead screws also have fewer parts. These types of screw shafts are available in various sizes and shapes. If you’re wondering which type of head of screw shaft to buy, this article is for you.

    Threaded shank

    Wood screws are made up of 2 parts: the head and the shank. The shank is not threaded all the way up. It is only partially threaded and contains the drive. This makes them less likely to overheat. Heads on wood screws include Oval, Round, Hex, Modified Truss, and Flat. Some of these are considered the “top” of the screw.
    Screws come in many sizes and thread pitches. An M8 screw has a 1.25-mm thread pitch. The pitch indicates the distance between 2 identical threads. A pitch of 1 is greater than the other. The other is smaller and coarse. In most cases, the pitch of a screw is indicated by the letter M followed by the diameter in millimetres. Unless otherwise stated, the pitch of a screw is greater than its diameter.
    Generally, the shank diameter is smaller than the head diameter. A nut with a drilled shank is commonly used. Moreover, a cotter pin nut is similar to a castle nut. Internal threads are usually created using a special tap for very hard metals. This tap must be followed by a regular tap. Slotted machine screws are usually sold packaged with nuts. Lastly, studs are often used in automotive and machine applications.
    In general, screws with a metric thread are more difficult to install and remove. Fortunately, there are many different types of screw threads, which make replacing screws a breeze. In addition to these different sizes, many of these screws have safety wire holes to keep them from falling. These are just some of the differences between threaded screw and non-threaded. There are many different types of screw threads, and choosing the right 1 will depend on your needs and your budget.
    screwshaft

    Point

    There are 3 types of screw heads with points: cone, oval, and half-dog. Each point is designed for a particular application, which determines its shape and tip. For screw applications, cone, oval, and half-dog points are common. Full dog points are not common, and they are available in a limited number of sizes and lengths. According to ASTM standards, point penetration contributes as much as 15% of the total holding power of the screw, but a cone-shaped point may be more preferred in some circumstances.
    There are several types of set screws, each with its own advantage. Flat-head screws reduce indentation and frequent adjustment. Dog-point screws help maintain a secure grip by securing the collar to the screw shaft. Cup-point set screws, on the other hand, provide a slip-resistant connection. The diameter of a cup-point screw is usually half of its shaft diameter. If the screw is too small, it may slack and cause the screw collar to slip.
    The UNF series has a larger area for tensile stress than coarse threads and is less prone to stripping. It’s used for external threads, limited engagement, and thinner walls. When using a UNF, always use a standard tap before a specialized tap. For example, a screw with a UNF point is the same size as a type C screw but with a shorter length.

    Spacer

    A spacer is an insulating material that sits between 2 parts and centers the shaft of a screw or other fastener. Spacers come in different sizes and shapes. Some of them are made of Teflon, which is thin and has a low coefficient of friction. Other materials used for spacers include steel, which is durable and works well in many applications. Plastic spacers are available in various thicknesses, ranging from 4.6 to 8 mm. They’re suitable for mounting gears and other items that require less contact surface.
    These devices are used for precision fastening applications and are essential fastener accessories. They create clearance gaps between the 2 joined surfaces or components and enable the screw or bolt to be torqued correctly. Here’s a quick guide to help you choose the right spacer for the job. There are many different spacers available, and you should never be without one. All you need is a little research and common sense. And once you’re satisfied with your purchase, you can make a more informed decision.
    A spacer is a component that allows the components to be spaced appropriately along a screw shaft. This tool is used to keep space between 2 objects, such as the spinning wheel and an adjacent metal structure. It also helps ensure that a competition game piece doesn’t rub against an adjacent metal structure. In addition to its common use, spacers can be used in many different situations. The next time you need a spacer, remember to check that the hole in your screw is threaded.
    screwshaft

    Nut

    A nut is a simple device used to secure a screw shaft. The nut is fixed on each end of the screw shaft and rotates along its length. The nut is rotated by a motor, usually a stepper motor, which uses beam coupling to accommodate misalignments in the high-speed movement of the screw. Nuts are used to secure screw shafts to machined parts, and also to mount bearings on adapter sleeves and withdrawal sleeves.
    There are several types of nut for screw shafts. Some have radial anti-backlash properties, which prevent unwanted radial clearances. In addition, they are designed to compensate for thread wear. Several nut styles are available, including anti-backlash radial nuts, which have a spring that pushes down on the nut’s flexible fingers. Axial anti-backlash nuts also provide thread-locking properties.
    To install a ball nut, you must first align the tangs of the ball and nut. Then, you must place the adjusting nut on the shaft and tighten it against the spacer and spring washer. Then, you need to lubricate the threads, the ball grooves, and the spring washers. Once you’ve installed the nut, you can now install the ball screw assembly.
    A nut for screw shaft can be made with either a ball or a socket. These types differ from hex nuts in that they don’t need end support bearings, and are rigidly mounted at the ends. These screws can also have internal cooling mechanisms to improve rigidity. In this way, they are easier to tension than rotating screws. You can also buy hollow stationary screws for rotator nut assemblies. This type is great for applications requiring high heat and wide temperature changes, but you should be sure to follow the manufacturer’s instructions.

    China Professional CNC Machining Shaft Aluminum Hollow Shaft CZPT Shaft   with Good qualityChina Professional CNC Machining Shaft Aluminum Hollow Shaft CZPT Shaft   with Good quality