Tag Archives: tubular screw

China supplier Cheap Price Heat Resistant New Spiral Auger Tube Tubular Feed Screw Conveyor how to drive a screw with a stripped head

Product Description

Product Description

Introduction
Pipe screw conveyor is a mechanism that uses a rotating helical screw blade coiled around a shaft; it offers a variety of solutions for bulk materials conveying like granular and small bulk materials horizontally or at inclined angle, meanwhile, pipe screw conveyor is very cost-effective and requires minimal maintenance to operate. Pipe screw conveyor is widely used for transporting coal, ash, slag, cement, food waste, wood chips, aggregates, cereal grains, animal feed, boiler ash, meat and bone meal, municipal solid waste, and many others. 

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Advantages and Features

  1. Whole sealing structure, no pollution to the environment, no material leakage.
  2. According to working conditions, screw conveyor can be designed to multiple inlets and outlets.
  3. Flexible installation type, conveyor angle can be 0-30 degree to meet varies requirement.
  4. Hanging bearing is provided to connect screw blades and bear the screw body weights.
  5. Adopts the method of spot welding to weld spiral blade on the screw shaft.
  6. Construction material with carbon steel, stainless steel and abrasion-resistant alloys are optional.
  7. Can be disassembling into several sections, save space during transportation.
  8. Reducer motor brand can be domestic or imported: Tailong, SEW, Siemens etc.

Detailed Photos

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Product Parameters

 

Pipe / Tubular type Screw Conveyor
Type Length
(m)
Capacity
(t/h)
Rotating
Speed
(r/min)
Reducer Motor
Type Speed Ratio Type Power
(kW)
GX200 10 9 60 YZQ250 23.34 Y90S-4 1.1
GX200 20 9 60 YZQ250 23.34 Y90L-4 1.5
GX250 10 15.6 60 YZQ250 23.34 Y100L1-4 2.2
GX250 20 15.6 60 YZQ250 23.34 Y100L1-4 3
GX300 10 21.2 60 YZQ350 23.34 Y100L2-4 3
GX300 20 21.2 60 YZQ350 23.34 Y112M-4 4
GX400 10 51 60 YZQ400 23.34 Y132S-4 5.5
GX400 20 51 60 YZQ500 23.34 Y160M-4 11
GX500 10 87.5 60 YZQ400 23.34 Y132M 7.5
GX500 20 87.5 60 YZQ650 23.34 Y180M-4 18.5
GX600 10 134.2 45 YZQ750 23.34 Y180L-4 22
GX600 10 134.2 45 YZQ850 23.34 Y250M-4 55

Note: All the parameters are for reference only, we can design and manufacture as per your requirements.

Packaging & Shipping

1.We can deliver screw conveyor timely .
2.Standard sea shipping packaging.

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Company Profile

ZheJiang Xihu (West Lake) Dis.an Mining Machinery Co.,Ltd  (PKmachinery) had earned many certificates about the whole strength and had cooperated with many group companies in the whole world. There is a systematized program in our company, every order will strictly according to the standard system to show our customer the best immediately.

PK machinery offers a full range of screening and conveying equipment,which involves vibrating screen,belt conveyor,bucket elevator,screw conveyor,scraper conveyor and related spare parts.What’s more,PK Machinery is always cooperating with the world-class suppliers to ensure the product’s high quality,including ABB,SEW,SIEMENS,etc.

Certifications

Type: Screw Conveyor
Structure: Conveyor System
Material: Stainless Steel
Material Feature: Heat Resistant
Certification: ISO9001:2008, ISO9001:2000, CE
Energy Saving: Energy Saving
Customization:
Available

|

Customized Request

screwshaft

Lead Screws and Clamp Style Collars

If you have a lead screw, you’re probably interested in learning about the Acme thread on this type of shaft. You might also be interested in finding out about the Clamp style collars and Ball screw nut. But before you buy a new screw, make sure you understand what the terminology means. Here are some examples of screw shafts:

Acme thread

The standard ACME thread on a screw shaft is made of a metal that is resistant to corrosion and wear. It is used in a variety of applications. An Acme thread is available in a variety of sizes and styles. General purpose Acme threads are not designed to handle external radial loads and are supported by a shaft bearing and linear guide. Their design is intended to minimize the risk of flank wedging, which can cause friction forces and wear. The Centralizing Acme thread standard caters to applications without radial support and allows the thread to come into contact before its flanks are exposed to radial loads.
The ACME thread was first developed in 1894 for machine tools. While the acme lead screw is still the most popular screw in the US, European machines use the Trapezoidal Thread (Metric Acme). The acme thread is a stronger and more resilient alternative to square threads. It is also easier to cut than square threads and can be cut by using a single-point threading die.
Similarly to the internal threads, the metric versions of Acme are similar to their American counterparts. The only difference is that the metric threads are generally wider and are used more frequently in industrial settings. However, the metric-based screw threads are more common than their American counterparts worldwide. In addition, the Acme thread on screw shafts is used most often on external gears. But there is still a small minority of screw shafts that are made with a metric thread.
ACME screws provide a variety of advantages to users, including self-lubrication and reduced wear and tear. They are also ideal for vertical applications, where a reduced frictional force is required. In addition, ACME screws are highly resistant to back-drive and minimize the risk of backlash. Furthermore, they can be easily checked with readily available thread gauges. So, if you’re looking for a quality ACME screw for your next industrial project, look no further than ACME.

Lead screw coatings

The properties of lead screw materials affect their efficiency. These materials have high anti-corrosion, thermal resistance, and self-lubrication properties, which eliminates the need for lubrication. These coating materials include polytetrafluoroethylene (PFE), polyether ether ketone (PEK), and Vespel. Other desirable properties include high tensile strength, corrosion resistance, and rigidity.
The most common materials for lead screws are carbon steel, stainless steel, and aluminum. Lead screw coatings can be PTFE-based to withstand harsh environments and remove oil and grease. In addition to preventing corrosion, lead screw coatings improve the life of polymer parts. Lead screw assembly manufacturers offer a variety of customization options for their lead screw, including custom-molded nuts, thread forms, and nut bodies.
Lead screws are typically measured in rpm, or revolutions per minute. The PV curve represents the inverse relationship between contact surface pressure and sliding velocity. This value is affected by the material used in the construction of the screw, lubrication conditions, and end fixity. The critical speed of lead screws is determined by their length and minor diameter. End fixity refers to the support for the screw and affects its rigidity and critical speed.
The primary purpose of lead screws is to enable smooth movement. To achieve this, lead screws are usually preloaded with axial load, enabling consistent contact between a screw’s filets and nuts. Lead screws are often used in linear motion control systems and feature a large area of sliding contact between male and female threads. Lead screws can be manually operated or mortised and are available in a variety of sizes and materials. The materials used for lead screws include stainless steel and bronze, which are often protected by a PTFE type coating.
These screws are made of various materials, including stainless steel, bronze, and various plastics. They are also made to meet specific requirements for environmental conditions. In addition to lead screws, they can be made of stainless steel, aluminum, and carbon steel. Surface coatings can improve the screw’s corrosion resistance, while making it more wear resistant in tough environments. A screw that is coated with PTFE will maintain its anti-corrosion properties even in tough environments.
screwshaft

Clamp style collars

The screw shaft clamp style collar is a basic machine component, which is attached to the shaft via multiple screws. These collars act as mechanical stops, load bearing faces, or load transfer points. Their simple design makes them easy to install. This article will discuss the pros and cons of this style of collar. Let’s look at what you need to know before choosing a screw shaft clamp style collar. Here are some things to keep in mind.
Clamp-style shaft collars are a versatile mounting option for shafts. They have a recessed screw that fully engages the thread for secure locking. Screw shaft clamp collars come in different styles and can be used in both drive and power transmission applications. Listed below are the main differences between these two styles of collars. They are compatible with all types of shafts and are able to handle axial loads of up to 5500 pounds.
Clamp-style shaft collars are designed to prevent the screw from accidentally damaging the shaft when tightened. They can be tightened with a set screw to counteract the initial clamping force and prevent the shaft from coming loose. However, when tightening the screw, you should use a torque wrench. Using a set screw to tighten a screw shaft collar can cause it to warp and reduce the surface area that contacts the shaft.
Another key advantage to Clamp-style shaft collars is that they are easy to install. Clamp-style collars are available in one-piece and two-piece designs. These collars lock around the shaft and are easy to remove and install. They are ideal for virtually any shaft and can be installed without removing any components. This type of collar is also recommended for those who work on machines with sensitive components. However, be aware that the higher the OD, the more difficult it is to install and remove the collar.
Screw shaft clamp style collars are usually one-piece. A two-piece collar is easier to install than a one-piece one. The two-piece collars provide a more effective clamping force, as they use the full seating torque. Two-piece collars have the added benefit of being easy to install because they require no tools to install. You can disassemble one-piece collars before installing a two-piece collar.
screwshaft

Ball screw nut

The proper installation of a ball screw nut requires that the nut be installed on the center of the screw shaft. The return tubes of the ball nut must be oriented upward so that the ball nut will not overtravel. The adjusting nut must be tightened against a spacer or spring washer, then the nut is placed on the screw shaft. The nut should be rotated several times in both directions to ensure that it is centered.
Ball screw nuts are typically manufactured with a wide range of preloads. Large preloads are used to increase the rigidity of a ball screw assembly and prevent backlash, the lost motion caused by a clearance between the ball and nut. Using a large amount of preload can lead to excessive heat generation. The most common preload for ball screw nuts is 1 to 3%. This is usually more than enough to prevent backlash, but a higher preload will increase torque requirements.
The diameter of a ball screw is measured from its center, called the ball circle diameter. This diameter represents the distance a ball will travel during one rotation of the screw shaft. A smaller diameter means that there are fewer balls to carry the load. Larger leads mean longer travels per revolution and higher speeds. However, this type of screw cannot carry a greater load capacity. Increasing the length of the ball nut is not practical, due to manufacturing constraints.
The most important component of a ball screw is a ball bearing. This prevents excessive friction between the ball and the nut, which is common in lead-screw and nut combinations. Some ball screws feature preloaded balls, which avoid “wiggle” between the nut and the ball. This is particularly desirable in applications with rapidly changing loads. When this is not possible, the ball screw will experience significant backlash.
A ball screw nut can be either single or multiple circuits. Single or multiple-circuit ball nuts can be configured with one or two independent closed paths. Multi-circuit ball nuts have two or more circuits, making them more suitable for heavier loads. Depending on the application, a ball screw nut can be used for small clearance assemblies and compact sizes. In some cases, end caps and deflectors may be used to feed the balls back to their original position.

China supplier Cheap Price Heat Resistant New Spiral Auger Tube Tubular Feed Screw Conveyor   how to drive a screw with a stripped headChina supplier Cheap Price Heat Resistant New Spiral Auger Tube Tubular Feed Screw Conveyor   how to drive a screw with a stripped head
editor by CX 2023-11-13

China supplier Tubular Customization Industry Screw Conveyor with Great quality

Product Description

tubular customization industry screw conveyor

Introduction
Pipe screw conveyor is a mechanism that uses a rotating helical screw blade coiled around a shaft,it offers a variety of solutions for bulk materials conveying like granular and small bulk materials horizontally or aslope, meanwhile,pipe screw conveyor is very cost-effective and require minimal maintenance to operate. Pipe screw conveyor is widely used for transporting coal,ash,slag,cement,food waste, wood chips, aggregates, cereal grains, animal feed, boiler ash, meat and bone meal, municipal solid waste, and many others. 

Advantages and Features
1.Whole sealing structure, no pollution to the environment,no material leakage.
2.According to working conditions, screw conveyor can be designed to multiple inlets and outlets.
3.Flexible installation type, conveyor angle can be 0-30 degree to meet varies requirement.
4.Hanging bearing is provided to connect screw blades and bear the screw body weights.
5.Adopts the method of spot welding to weld spiral blade on the screw shaft.
6.Construction material with carbon steel, stainless steel and abrasion-resistant alloys are optional.
7.Can be disassemble into several sections, save space during transportation.
8.Reducer motor brand can be domestic or imported: Tailong, SEW, Siemens etc.

Technical Parameter:

GX   Screw Conveyor Technical Performance
Type Length/m Throughput (t/h) Rotating speed/(r/min) Reducer Motor Weight/kg
Type Speed ratio Type  Power/kW
GX200 10 9 60 YZQ250 23.34 Y90S-4 1.1 726
GX200 20 9 60 YZQ250 23.34 Y90L-4 1.5 1258
GX250 10 15.6 60 YZQ250 23.34 Y100L1-4 2.2 960
GX250 20 15.6 60 YZQ250 23.34 Y100L1-4 3 1750
GX300 10 21.2 60 YZQ350 23.34 Y100L2-4 3 1373
GX300 20 21.2 60 YZQ350 23.34 Y112M-4 4 2346
GX400 10 51 60 YZQ400 23.34 Y132S-4 5.5 1911
GX400 20 51 60 YZQ500 23.34 Y160M-4 11 2049
GX500 10 87.5 60 YZQ400 23.34 Y132M 7.5 2381
GX500 20 87.5 60 YZQ650 23.34 Y180M-4 18.5 5389
GX600 10 134.2 45 YZQ750 23.34 Y180L-4 22 3880
GX600 10 134.2 45 YZQ850 23.34 Y250M-4 55 7090

Selection Conditions

♦Material to be processed: _____ ♦Working environment is indoor or outdoor:________
♦Handling capacity (Ps. It means the total ♦Working environment temperature: _______ ºC
material capacity feeding from the inlet): _____t/h ♦Upstream equipment (Ps. It means what kind of
♦Bulk Density: _____t/m3 equipment is used to feed the material): _____
♦Conveying distance(distance  between  ♦Downstream equipment (Ps. It means what kind of
 inlet and outlet):__________m equipment is used to discharge the material): _____
♦Material size:____mm ♦Installation form is horizontal or inclined : ________;
♦Material temperature: _______ ºC If it is inclined,what is the inclined degree_____° ,
♦Water content:____% and whether a supporting frame is needed:_______
♦Material is corrosive or not: ____ (Ps. Yes or No) ♦Working power supply: _____V ______HZ 

We mainly provide the following equipments :

Vibrating Screen Rotary vibrating screen
Ultrasonic vibrating screen
Gyratory screen
Trommel screen
Linear vibrating screen
Circular vibrating screen
Dewatering screen
Vibrating feeder
Belt Conveyor Belt conveyor
Sidewall belt conveyor
Portable belt conveyor
Shuttle conveyor
Tripper
Bucket Elevator Efficient bucket elevator
Belt bucket elevator
Ring chain bucket elevator
Plate chain bucket elevator
Cement bucket elevator
Silo bucket elevator
Screw Conveyor U-type screw conveyor
Cement screw conveyor
Pipe screw conveyor
Scraper Conveyor Horizontal scraper chain conveyor
Incline scraper chain conveyor
Grain scraper chain conveyor

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 supplier Tubular Customization Industry Screw Conveyor   with Great qualityChina supplier Tubular Customization Industry Screw Conveyor   with Great quality