Product Description

Experienced Designed and Manufactured Double Screw Shredder for Shredding Plastic Wood Steel Tire

Brief Introduction to Shredder:
The shredder is a widely used machine for tearing big material to small pieces, which make them easy for next step to transportation or recycling. It consists of single shaft shredder, double shaft shredder, 4 shaft shredder, horizontal big pipe shredder, smaller pipe crusher….
Plastic Shredder machine is an ideal machine for plastic, paper, wood, fiber, rubber, organic waste a wide variety of non metallic materials. The size of the machine required for each project depends on the initial size of the material, capacity and the final particle size desired.
The shredder series range is controlled by microcomputer, featuring start, stop, reverse functions. It is fitted with an automatic overload return mechanism to prevent damage to rotor and other parts. It runs at high torque, low speed, with low noise output, suitable for recycling a wide range of materials.

1. Single Shaft Shredder 
Application:
The single shaft shredder is mainly used for big block objects, such as die head material, thick wall pipes, and also can be used for film roller, paper and fibers, etc….
Main characters:
1. The blades and blades rack of single shaft shredder can be demounted on the rotating shaft. It is easy to clear, change and maintenance.
2. The rotating blades of single shaft shredder are fixed on the shaft by V shape. It is good for shredding the material evenly which can make the energy consumption is low and noise is very small.
3. Every rotating blade of single shaft shredder has 4 cutting edges, after 1 cutting edge is worn out, it can be changed to other ones. And also with same design to the fixed blade, which has 2 cutting edges, also when 1 cutting edge is worn out, it can be change to the other one.
4. The shaft of single shaft shredder is driven by motor through the gear box, it runs stable, low noise, high torque.
5. The material is pushed by hydraulic pusher of single shaft shredder automatically. It works strong and stable.
6. The electric system of single shaft shredder is controlled by PLC, which make the shaft can rotate in positive direction, reversal direction and stop, then to protect the machines running safely.

Model:

Model	Main power	Pushing power	Qty rotating blades	Qty fixed blades	Shaft rotating diameter	Capacity (kg)	Size (mm)	Weight (kg)
TSS600	22kw	1.5kw	28	2	φ252mm	200~400	1800x1200x1800	2000
TSS800	37kw	2.2kw	38	2	φ400mm	500~800	2700x1700x2000	3200
TSS1000	45kw	2.2kw	48	3	φ400mm	700~1000	2800x2000x2300	4300
TSS1200	55kw	3.7kw	78	3	φ430mm	1000~1500	2950x2200x2500	5500
TSS1500	90kw	3.7kw	102	4	φ480mm	1300~1800	3100x2550x2700	7800
TSS2000	55kw*2	5.5kw	177	4	φ480mm	1800~2500	3300x3050x2800	9500

2. Double Shaft Shredder
Application:
The double shaft shredder is mainly used for hard material, such as barrel, basket, panel material, wood, car tires and even big bale film etc…..
Main characters:
1. The shredding cabinet of double shaft shredder is made of special thickness steel panel with precision machining. It is fixed by big angle hexagonal bolts and with strong inlet hopper. All these is to ensure the big and heavy material can be put directly into the shredding cabinets
2. The rotating blades of double shaft shredder are with special designed to the thickness, shape and arranging series which ensure it is strong cutting ability, sharpening cutting edge and then make it working high efficiently.
3. Low speed running, low noise and less powder flying of double shaft shredder.
4. The blades of double shaft shredder are made of special alloy steel, strong and long time working.
5. The electric system of double shaft shredder is controlled by PLC, which make the shaft can rotate in positive direction, reversal direction and stop, then to protect the machines running safely.

Model:

Model	Motor power(KW)	Qty of  blades	Size of shredding chamber	Capacity (kg/h)
TDS600	15	12	600*550 mm	300~800
TDS800	37	16	800*600 mm	500~1500
TDS1000	30×2	20	1000*700 mm	1000~2000
TDS1200	37×2	24	1200*800 mm	1500~2500
TDS1500	45kw×2	22	1600*900 mm	2000~3000

 

3. Double single-shaft shredder/plastic film shredder 

Application:
Special for PE PP film, agriculture film, PE PP bags, film roller, package film, wrap film, LD HD film, BOPP film…
Main characters:
1. Special designed double shaft shredder for soft material.
2. The blades and blades rack can be demounted on the rotating shaft. It is easy to clear, change and maintenance.
3. The rotating blades of film shredder are fixed on the shaft by V shape. It is good for shredding the material evenly which can make the energy consumption is low and noise is very small.
4. Every rotating blade of single shaft shredder has 4 cutting edges, after 1 cutting edge is worn out, it can be changed to other ones. And also with same design to the fixed blade, which has 2 cutting edges, also when 1 cutting edge is worn out, it can be change to the other one.
5. The shaft of film shredder is driven by motor through the gear box, it runs stable, low noise, high torque.
6. The electric system of film shredder is controlled by PLC, which make the shaft can rotate in positive direction, reversal direction and stop, then to protect the machines running safely.

Model:

Model	Motor power(KW)	Qty of  blades	Diameter of shaft	Capacity (kg/h)
TFS600	18.5×2	54	ø255 mm	500~650
TFS800	22×2	82	ø255 mm	750~900
TFS1000	30×2	100	ø300 mm	900~1100
TFS1200	37×2	122	ø300 mm	1200~1500
TFS1500	45kw×2	158	ø320 mm	1600~2000

4. Four Shaft Shredder 
Application:
1. Bucket products: PE bucket, metal drum, paint bucket, intermediate -bulk container (IBC) and dustbin
2.  Wastes: household waste, medical waste, kitchen waste, industrial waste, park waste
3. Plastic products: PE bottle, PE frame, PE block, PE can
4. Metal products: aluminum profile, oil filter, car shell, pop-top can, metal can
5. Paper: newspaper, card paper, corrugated paper, copy paper
6. Electronic appliances: refrigerator, circuit board, laptop shell, TV set shell, CD disk
7. Glass

Main characters:
Four shaft shredder is heavy-duty machine. They have advantages in standardization and modularization design, high interchangeability for their components. Their blades are made of special alloy steel with high strength, strong anti-wear and reparability. The drive part takes advantage of 4 motors, heavy planet gear boxes to make main shafts rotate at different speeds. The electric part takes advantage of PLC program and touch screen control with video monitor system and the automatic detecting overload protection function. They have low rotation speed, big torque and low noise characters. So they have won customers’ trust and got popularity in the shredding process in the recycle industry They fit for shredding large and hard objects such as car body, solid industrial waste ,medical waste, e-waste, PE pail, PE frame, PE bottle, metal can, metal pail, intertexture bag, fridge, electric circuit board, paper box, wood and so on.

5. Package Shredder Crusher Machine 

6. Pipe Shredder/Granulator  

Order flowing process:

Customer requirements →Scheme designed →confirmed by customers →order fixed →manufacturing →trial running in our factory →confirmed by customers →shipped →engineer available overseas →whole life after sales services

Contacts:

RETECH Machinery is an experienced and professional manufacturing for series plastic washing recycling machine/ plastic granulating recycling machine including ET bottle recycling machines, PE PP film recycling machines, plastic PE PP PS ABS PET PC PVC LD HD LLD BOPP granulating line, water treatment for the waste water from washing line, and auxiliary equipment for plastic recycling….
If you are interesting more details of our products, please contact with us no hesitation!

plasticmachine
Mob: -152-5 0571 571
 
 

Screw Shaft Types

A screw shaft is a cylindrical part that turns. Depending on its size, it is able to drive many different types of devices. The following information outlines the different types of screws, including their sizes, material, function, and applications. To help you select the right screw shaft, consider the following factors:

Size

A screw can come in a variety of shapes and sizes, ranging from a quarter to a quarter-inch in diameter. A screw is a cylindrical shaft with an inclined plane wrapped around it, and its main function is to fasten objects together by translating torque into a linear force. This article will discuss the dimensions of screws and how to determine the size of a screw. It is important to note that screw sizes can be large and small depending on the purpose.
The diameter of a screw is the diameter of its shaft, and it must match the inner diameter of its nuts and washers. Screws of a certain diameter are also called machine screws, and they can be larger or smaller. Screw diameters are measured on the shaft underneath the screw head. The American Society of Mechanical Engineers (ASME) standardized screw diameters in 3/50-inch to 16 (3/8-inch) inches, and more recently, sizes were added in U.S. fractions of an inch. While shaft and head diameters are standardized, screw length may vary from job to job.
In the case of the 2.3-mm screw group, the construct strength was not improved by the 1.2-mm group. The smaller screw size did not increase the strength of the construct. Further, ABS material did not improve the construct strength. Thus, the size of screw shaft is an important consideration in model design. And remember that the more complex your model is, the larger it will be. A screw of a given size will have a similar failure rate as a screw of a different diameter.
Although different screw sizes are widely used, the differences in screw size were not statistically significant. Although there are some limitations, screws of different sizes are generally sufficient for fixation of a metacarpal shaft fracture. However, further clinical studies are needed to compare screw sizes for fracture union rates. So, if you are unsure of what size of screw shaft you need for your case, make sure to check the metric chart and ensure you use the right one.

Material

The material of a screw shaft plays an important role in the overall performance of a screw. Axial and central forces act to apply torque to the screw, while external forces, such as friction, exert a bending moment. The torsional moments are reflected in the torque, and this causes the screw to rotate at a higher rate than necessary. To ensure the longevity of the screw, the material of the screw shaft should be able to handle the bending moment, while the diameter of the shaft should be small enough to avoid causing damage.
Screws are made from different metals, such as steel, brass, titanium, and bronze. Manufacturers often apply a top coating of chromium, brass, or zinc to improve corrosion resistance. Screws made of aluminum are not durable and are prone to rusting due to exposure to weather conditions. The majority of screw shafts are self-locking. They are suited for many applications, including threaded fasteners, C-clamps, and vises.
Screws that are fabricated with conical sections typically feature reduced open cross-sectional areas at the discharge point. This is a key design parameter of conical screw shafts. In fact, reductions of up to 72% are common across a variety of applications. If the screw is designed to have a hard-iron hanger bearing, it must be hardened. If the screw shaft is not hardened, it will require an additional lubricant.
Another consideration is the threads. Screw shafts are typically made of high-precision threads and ridges. These are manufactured on lathes and CNC machines. Different shapes require different materials. Materials for the screw shaft vary. There are many different sizes and shapes available, and each 1 has its own application. In addition to helical and conical screw shafts, different materials are also available. When choosing material, the best 1 depends on the application.
The life of the screw depends on its size, load, and design. In general, the material of the screw shaft, nut body, and balls and rollers determine its fatigue life. This affects the overall life of the screw. To determine whether a specific screw has a longer or shorter life, the manufacturer must consider these factors, as well as the application requirements. The material should be clean and free of imperfections. It should be smooth and free of cracks or flaking, which may result in premature failure.

Function

The function of a screw shaft is to facilitate the rotation of a screw. Screws have several thread forms, including single-start, double-start and multi-start. Each form has its own advantages and disadvantages. In this article we’ll explore each of them in detail. The function of a screw shaft can vary based on its design, but the following are common types. Here are some examples of screw shaft types and their purposes.
The screw’s torque enables it to lift objects. It can be used in conjunction with a bolt and nut to lift a load. Screws are also used to secure objects together. You can use them in screw presses, vises, and screw jacks. But their primary function is to hold objects together. Listed below are some of their main functions. When used to lift heavy loads, they can provide the required force to secure an object.
Screws can be classified into 2 types: square and round. Square threads are more efficient than round ones because they apply 0deg of angle to the nut. Square threads are also stronger than round threads and are often used in high-load applications. They’re generally cheaper to manufacture and are more difficult to break. And unlike square threads, which have a 0deg thread angle, these threads can’t be broken easily with a screwdriver.
A screw’s head is made of a series of spiral-like structures that extend from a cylindrical part to a tip. This portion of the screw is called the shank and is made of the smallest area. The shank is the portion that applies more force to the object. As the shaft extends from the head, it becomes thinner and narrow, forming a pointed tip. The head is the most important part of the screw, so it needs to be strong to perform its function.
The diameter of the screw shaft is measured in millimeters. The M8 screw has a thread pitch of 1.25 mm. Generally, the size of the screw shaft is indicated by the major and minor diameter. These dimensions are appended with a multiplication sign (M8x1).

Applications

The design of screws, including their size and shape, determines their critical rotating speeds. These speeds depend on the threaded part of the screw, the helix angle, and the geometry of the contact surfaces. When applied to a screw, these limits are referred to as “permissible speed limits.” These maximum speeds are meant for short periods of time and optimized running conditions. Continuous operation at these speeds can reduce the calculated life of a nut mechanism.
The main materials used to manufacture screws and screw shafts include steel, stainless steel, titanium, bronze, and brass. Screws may be coated for corrosion resistance, or they may be made of aluminium. Some materials can be threaded, including Teflon and nylon. Screw threads can even be molded into glass or porcelain. For the most part, steel and stainless steel are the most common materials for screw shafts. Depending on the purpose, a screw will be made of a material that is suitable for the application.
In addition to being used in fasteners, screw shafts are used in micrometers, drillers, conveyor belts, and helicopter blades. There are numerous applications of screw shafts, from weighing scales to measuring lengths. If you’re in the market for a screw, make sure to check out these applications. You’ll be happy you did! They can help you get the job done faster. So, don’t delay your next project.
If you’re interested in learning about screw sizing, then it’s important to know the axial and moment loads that your screws will experience. By following the laws of mechanics and knowing the load you can calculate the nominal life of your screw. You can also consider the effect of misalignment, uneven loading, and shocks on your screw. These will all affect the life of your screw. Then, you can select the right screw.