Product Description

Machine Reduction Gearbox For Extruder
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: Reducer
Layout: Cycloidal
Hardness: Hardened
Installation: Vertical Type
Step: Four-Step
Type: Bevel Gear
Customization:
Available

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Customized Request

cycloidal gearbox

Variations in Cycloidal Gearbox Design

Cycloidal gearboxes come in various designs and configurations to cater to different application requirements. Some common variations include:

  • Single-Stage vs. Multi-Stage: Cycloidal gearboxes can be designed as single-stage or multi-stage systems. Single-stage designs offer a lower gear ratio and are suitable for applications with moderate torque requirements. Multi-stage designs provide higher gear ratios and are used for applications demanding higher torque output.
  • Input and Output Arrangements: Cycloidal gearboxes can have various input and output arrangements, including coaxial, inline, and right-angle configurations. These arrangements determine the orientation of the input and output shafts relative to each other.
  • Size and Torque Capacity: Different sizes of cycloidal gearboxes are available to accommodate a wide range of torque and power requirements. Smaller sizes are suitable for applications where space is limited, while larger sizes handle higher torque loads.
  • Mounting Options: Cycloidal gearboxes offer flexibility in mounting options, including base or flange mounting. This allows for easy integration into different types of machinery and equipment.
  • Material Selection: Depending on the application’s demands, cycloidal gearboxes can be constructed using various materials, such as steel, aluminum, and alloys. Material selection affects the gearbox’s durability and performance in different environments.
  • Backlash Reduction Mechanisms: Some cycloidal gearboxes feature enhanced backlash reduction mechanisms to further improve precision and accuracy in motion control applications.

These variations in design allow cycloidal gearboxes to be tailored to specific application requirements, making them versatile solutions for a wide range of industries and machinery.

cycloidal gearbox

Noise and Vibration Considerations in Cycloidal Gearboxes

Cycloidal gearboxes are generally known for their smooth and quiet operation. However, like any mechanical system, they can still exhibit some level of noise and vibration. Here are the key factors to consider:

  • Gear Design: The unique rolling contact design of cycloidal gears contributes to their relatively low noise levels. The teeth engagement is gradual and continuous, reducing impact forces and noise.
  • Lubrication: Proper lubrication is essential to minimize friction and noise. Using high-quality lubricants and maintaining proper lubrication levels can help reduce noise and vibration in cycloidal gearboxes.
  • Precision Manufacturing: Precise manufacturing processes and tight tolerances can help minimize irregularities in gear meshing, which can contribute to noise and vibration.
  • Load Distribution: Proper load distribution among multiple lobes in the cycloidal mechanism can help prevent localized stress concentrations that could lead to vibrations and noise.
  • Bearing Quality: High-quality bearings can contribute to smooth operation and reduce vibrations that could be transmitted to the gearbox housing.
  • Mounting and Installation: Proper mounting and alignment of the gearbox are important to ensure that it operates smoothly and without excessive vibrations.

While cycloidal gearboxes are designed to minimize noise and vibration, it’s important to consider the specific application, environmental conditions, and operating parameters. Regular maintenance, proper lubrication, and selecting the appropriate gearbox size and type can all contribute to reducing noise and vibration levels in cycloidal gearboxes.

cycloidal gearbox

Disadvantages of Using a Cycloidal Gearbox

While cycloidal gearboxes offer various advantages, they also come with some disadvantages that should be considered:

  • Lower Efficiency at High Speeds: Cycloidal gearboxes can experience a decrease in efficiency at high speeds due to increased friction and rolling resistance.
  • Complex Design: The internal arrangement of pins, lobes, and bearings can result in a relatively complex design, which may lead to higher manufacturing costs and maintenance challenges.
  • Limited Gear Ratio Range: Cycloidal gearboxes might have limitations in terms of achieving very high gear ratios, which can impact their suitability for certain applications.
  • Cost: The specialized design and precision manufacturing involved in producing cycloidal gearboxes can lead to higher upfront costs compared to other gearbox types.
  • Noise Generation: While generally quieter than some other types of gearboxes, cycloidal gearboxes can still produce noise during operation, which might need to be addressed in noise-sensitive applications.
  • Availability: Cycloidal gearboxes might not be as widely available as other gearbox types, potentially leading to longer lead times for procurement and replacement parts.
  • Limited Backlash Adjustability: While cycloidal gearboxes have minimal backlash, adjusting or fine-tuning the backlash might be more challenging compared to other gearbox types.

Despite these disadvantages, cycloidal gearboxes remain a valuable choice for specific applications where their unique advantages outweigh the drawbacks.

China Good quality Machine Reduction Gearbox for Extruder   gearbox and motor	China Good quality Machine Reduction Gearbox for Extruder   gearbox and motor
editor by CX 2024-03-28