Tag Archives: custom screw

China Custom Single Screw Extruder Gearbox CZPT 133 car gearbox

Product Description

1) Small volume
2) Big transmission torque
3) High efficiency
4) Low consumption

Parameters :

Type Spec Input Power
(kw)
N( enter) N(output) Output Torque Permitted axial thrust
of output shaft(KN)
Screw
Diameter
Length-diameter
ratio
(N@m)
ZLYJ 112-8 5.5 800 100 525 35 Ø35 25:01:00
133-8 8 800 100 764 39 Ø50 25:01:00
146-10 11 1000 100 1050 54 Ø55 25:01:00
173-10 18.5 900 90 1962 110 Ø65 25:01:00
200-12.5 30 1000 80 3581 155 Ø75 25:01:00
225-12.5 45 1000 80 5371 180 Ø90 25:01:00
250-16 55 1120 70 7503 192 Ø105 25:01:00
280-16 75 960 60 7643 258 Ø110 25:01:00
315-16 85 960 60 13528 287 Ø120 25:01:00
330-16 110 960 60 17507 360 Ø135 25:01:00
375-16 132 960 60 21008 390 Ø150 25:01:00
395-16 185 960 60 29442 400 Ø160 25:01:00
420-16 160 960 60 31831 430 Ø160 25:01:00
420-16 220 960 60 31831 430 Ø170 25:01:00
450-20 213 1000 60 40640 500 Ø160/Ø170 25:01:00
560-17 540 1000 50 84034 700 Ø200 25:01:00
630-10 540 1000 50 15712 770 Ø250 25:01:00

ZLYJ gearbox series are transmission devices, which are specially designed for single-screw extruder with high precision, hard gear surface, accompany with thrust. Adopting the technical specifications stipulated in JB/T9050.1-1999, all CHINAMFG gearboxes are designed accordingly.
Main Features:
1. The material of gear is the high strength alloy steel, it is manufactured by carburizing, quenching (and other heat treatment), gringding process at last. The gear is in high precison ( 6 grade ) and high hardness ( reaches HRC54-62). Besides, it features low noise when operating.
2. It contains high bearing ability thrust, which is performed reliable and can withstand larger axial thrust.
3. All the items are treated by forced lubrication and cooling system except very few small specification products.
4. CHINAMFG series gearbox is adopted by six-side processing box. Its normal installation is horizontal, but can also be changed to vertical installation according to customer’s requirment.
5. Efficiency transmission, low noise, long operaton time.
Package

Packing for screw and barrel
1) Wooden case package
2) Plastic film package
3) Suitable to transportation

Why choose us?
A> long time experience and history
B> long time nitriding treatment and heating treatment by itself
C>advanced Fanuk series CNC computer-controlled milling machines
D>depth hole drilling machine in 8meters length, which ensure the straigtnss of barrel inside.
E> CAD drawing confirmation before start making
F> Prompt after sale service
G>Land owner and registration capital 25, 000, 000RMB

About us:

ZHangZhoug pinbo plastic machinery co.,ltd is located in HangZhou HangZhou city with brand of PYM(Former HangZhou yumin machine screw co.ltd since 1988). The company is specialized in making screw barrel, gearbox zlyj series, t die, filter and extruder machine. It has become one of the largest supplier of main parts in HangZhou city which 
is the basement of plastic machines. 
If there is any problem, you can contact with us at any time, we will reply you as soon as possible! /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Machinery, Reducer
Function: Speed Reduction
Layout: Three-Ring
Hardness: Hardened Tooth Surface
Installation: Torque Arm Type
Step: Stepless
Customization:
Available

|

Customized Request

worm gearbox

Can a Worm Gearbox be Used for High-Speed Applications?

Worm gearboxes are generally not recommended for high-speed applications due to their inherent design characteristics. Here’s why:

  • Efficiency: Worm gearboxes tend to have lower efficiency compared to other gearbox types, which means they can generate more heat and experience more energy loss at high speeds.
  • Heat Generation: The sliding contact between the worm and worm wheel in a worm gearbox can lead to significant friction and heat generation, especially at high speeds. This heat can cause thermal expansion, affecting the gearbox’s performance and longevity.
  • Wear and Noise: High speeds can exacerbate wear and noise issues in worm gearboxes. Increased friction and wear can lead to faster degradation of components, resulting in reduced lifespan and increased maintenance needs.
  • Backlash: Worm gearboxes may have higher backlash compared to other gearbox types, which can impact precision and accuracy in high-speed applications.

While worm gearboxes are more commonly used in applications requiring high torque and moderate speeds, they may not be the best choice for high-speed scenarios. If high-speed operation is a requirement, other gearbox types such as helical, spur, or planetary gearboxes are often better suited due to their higher efficiency, lower heat generation, and reduced wear at elevated speeds.

worm gearbox

How to Calculate the Input and Output Speeds of a Worm Gearbox?

Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here’s how you can calculate these speeds:

  • Input Speed: The input speed (N1) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
  • Output Speed: The output speed (N2) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:

    N2 = N1 / (Z1 * i)

Where:
N2 = Output speed (rpm)
N1 = Input speed (rpm)
Z1 = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)

It’s important to note that worm gearboxes are designed for gear reduction, which means that the output speed is lower than the input speed. Additionally, the efficiency of the gearbox, friction, and other factors can affect the actual output speed. Calculating the input and output speeds is crucial for understanding the performance and capabilities of the worm gearbox in a specific application.

worm gearbox

What is a Worm Gearbox and How Does It Work?

A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.

The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.

One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.

China Custom Single Screw Extruder Gearbox CZPT 133   car gearbox	China Custom Single Screw Extruder Gearbox CZPT 133   car gearbox
editor by CX 2024-03-05