China high quality High Quality Gearbox for Plastic Extruder with high quality

Product Description

Gearbox for plastic extruder
1) Small volume
2) Big transmission torque
3) High efficiency
4) Low consumption.

Product Description :
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.

Main 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

Our advantage :
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 18meters 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 .

Our company :
ZHangZhoug CHINAMFG plastic machinery co.,ltd is located in HangZhou HangZhou city with brand of PYM(Former HangZhou CHINAMFG machine screw co.ltd since 1988). The company is specialized in making screw barrel, gearbox CHINAMFG series, t die, filter and extruder machine. It has become 1 of the largest supplier of main parts in HangZhou city which is the basement of plastic machinery.

FRQ:
1.Q:What are we?
A:We are factory, with license of import and export goods by ourself.
2.Q:How to get to us? 
A:The nearest airport is HangZhou airport, and the nearest train station is HangZhou station.
 
Warmly welcome to contact us by below ways: 
 
 
 

Welcome to our company .
 
 
 
 
 
 
 
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Application: Machinery, Agricultural
Function: Speed Changing
Layout: Three-Ring
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Four-Step
Customization:
Available

|

Customized Request

plastic gearbox

Design Considerations for Plastic Gearboxes vs. Metal Gearboxes

Designing plastic gearboxes involves unique considerations compared to metal gearboxes:

  • Material Properties: Plastic materials have different mechanical properties than metals, affecting factors like strength, wear resistance, and temperature stability.
  • Load Distribution: Plastic gear teeth may have different load distribution characteristics, influencing gear profile design and tooth thickness.
  • Lubrication: Plastic materials may require specialized lubrication or self-lubricating additives to reduce friction and wear.
  • Clearances and Tolerances: Clearances between plastic gear teeth may differ from those in metal gears due to variations in thermal expansion and material properties.
  • Heat Dissipation: Plastics have lower heat conductivity than metals, requiring efficient heat dissipation designs to prevent overheating.
  • Noise and Vibration: Plastic gearboxes may produce different noise and vibration levels, necessitating damping measures or gear profile adjustments.
  • Environmental Factors: Plastic gearboxes may be more susceptible to degradation from UV exposure, chemicals, or moisture, influencing material selection and housing design.

Considering these factors ensures that the design of plastic gearboxes meets the specific requirements and challenges posed by the material, enhancing their overall performance and reliability.

plastic gearbox

Limitations of Maximum Torque Handling in Plastic Gearboxes

While plastic gearboxes offer numerous advantages, they do have limitations when it comes to handling maximum torque:

  • Material Strength: Plastic materials generally have lower tensile strength and fatigue resistance compared to metals. This can limit the amount of torque that plastic gearboxes can transmit before experiencing deformation or failure.
  • Size and Design: The size and design of plastic gear teeth play a significant role in torque handling. Smaller gear teeth with less surface area may struggle to withstand high torque loads without premature wear or damage.
  • Temperature Sensitivity: High temperatures can negatively impact the mechanical properties of plastics, potentially leading to a reduction in their torque-carrying capacity. Extreme temperature fluctuations may exacerbate this limitation.
  • Operating Conditions: The operating environment, such as exposure to harsh chemicals, abrasive particles, or excessive moisture, can affect the integrity of plastic gear materials and reduce their ability to handle high torque loads.
  • Application Type: Plastic gearboxes are better suited for applications with moderate torque requirements. High-torque applications, such as heavy industrial machinery, may exceed the capabilities of plastic gearboxes.

It’s important to consider the specific torque demands of an application and select an appropriate gearbox material accordingly. While plastic gearboxes are lightweight, cost-effective, and suitable for many applications, they may not be the ideal choice for extremely high-torque scenarios.

plastic gearbox

Impact of Plastic Material Choice on Gearbox Performance

The choice of plastic material plays a crucial role in determining the performance of a gearbox, affecting factors such as durability, strength, friction, and operating conditions:

  • Strength and Durability: Different plastic materials offer varying levels of strength and durability. High-performance engineering plastics, such as reinforced nylon, acetal, and PEEK, can provide excellent mechanical properties, allowing the gearbox to withstand higher loads and torque.
  • Friction and Wear: The coefficient of friction and wear resistance of plastic materials influence the efficiency and lifespan of the gearbox. Proper material selection can minimize friction, reduce wear, and extend the operational life of the gearbox.
  • Temperature and Chemical Resistance: The operating environment’s temperature and exposure to chemicals can affect plastic material performance. Choosing materials with suitable temperature and chemical resistance ensures the gearbox’s reliability and longevity.
  • Noise and Vibration: Certain plastic materials have inherent noise and vibration damping properties, contributing to quieter and smoother gearbox operation. These materials are beneficial in applications where noise reduction is important.
  • Weight: The density of the plastic material affects the gearbox’s weight. Lighter materials can lead to overall weight reduction in the system, which is desirable for applications requiring portability or reduced inertia.
  • Cost and Manufacturing: The cost of plastic materials varies based on their properties and availability. Additionally, different plastic materials may require specific manufacturing processes or tooling considerations.

Therefore, the careful selection of plastic materials is essential to ensure the desired gearbox performance, longevity, and efficiency for a specific application.

China high quality High Quality Gearbox for Plastic Extruder   with high quality China high quality High Quality Gearbox for Plastic Extruder   with high quality
editor by CX 2024-03-07