Tag Archives: screw box

China Good quality CZPT Brand Yps 64-75 Gear Box for Parallel Double Screw Extruder gearbox design

Product Description

Duoling Brand YPS 64-75 Gear Box for Parallel Double Screw Extruder

Company Information
     Established in 1979, HangZhou Gearbox Manufacturing Co., Ltd.  is located in National High-tech Development Zone of HangZhou, ZheJiang , China.  With more than 38 years’ experience in research and development of gear transmission products, the factory covers an area of 87,
Website: jiangchi2012
 
 

  /* 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: Motor, Machinery, Agricultural Machinery, Plastic and Rubber Extrusion
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Helical
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
Customization:
Available

|

Customized Request

plastic gearbox

Factors Affecting the Load-Bearing Capacity of a Plastic Gearbox

The load-bearing capacity of a plastic gearbox is influenced by various factors:

  • Material Selection: The choice of plastic material significantly impacts load-bearing capacity, with high-performance plastics offering greater strength and durability.
  • Gear Design: The geometry of gear teeth, such as tooth profile, helix angle, and pressure angle, affects load distribution and carrying capacity.
  • Load Type: Different types of loads, such as radial, axial, or combination loads, influence the gearbox’s ability to withstand forces.
  • Surface Treatment: Surface treatments like reinforcement fibers, coatings, or additives can enhance the material’s load-bearing properties.
  • Temperature and Environment: Operating temperature and environmental conditions impact material properties and overall gearbox performance.
  • Lubrication: Proper lubrication reduces friction and wear, improving load-carrying capabilities.
  • Mounting and Support: The gearbox’s mounting and support structure affect its ability to handle loads without deformation or failure.
  • Dynamic Effects: Factors like shock loads, impact forces, and cyclic loading can impact the gearbox’s fatigue resistance.

Considering these factors during design and application helps determine the load-bearing capacity of a plastic gearbox and ensures its reliable operation within specified limits.

plastic gearbox

Suitability of Plastic Gearboxes for Medical Equipment and Sterilization Requirements

Plastic gearboxes are increasingly being considered for medical equipment due to their unique characteristics that align with sterilization requirements. Here’s how plastic gearboxes are suitable for medical applications:

  • Chemical Resistance: Many plastics used in gearboxes are chemically resistant, making them suitable for exposure to various sterilization methods, such as autoclaving or chemical disinfection.
  • Non-Corrosive: Plastic gearboxes do not corrode or rust, which is crucial for maintaining the integrity and cleanliness of medical equipment during repeated sterilization cycles.
  • Weight and Compactness: Plastic gearboxes are lightweight and compact, making them ideal for portable and handheld medical devices that require easy maneuverability.
  • Design Flexibility: Plastic gearboxes can be designed with intricate shapes and features, allowing for integration into complex medical equipment designs.
  • Low Friction and Noise: Plastic gearboxes often exhibit low friction and noise levels, which is beneficial for medical devices that require smooth and quiet operation.
  • Ease of Cleaning: The smooth surfaces of plastic gearboxes are easy to clean and sterilize, reducing the risk of contamination.

Due to these advantages, plastic gearboxes can play a vital role in medical equipment that requires frequent sterilization, such as surgical tools, diagnostic devices, and patient monitoring equipment.

plastic gearbox

Cost-Effective Solutions with Plastic Gearboxes

Plastic gearboxes can indeed offer a cost-effective solution for specific engineering needs, offering several advantages:

  • Material Cost: Plastic materials are generally more cost-effective than metals, making them a budget-friendly option for applications where cost is a significant consideration.
  • Reduced Machining Costs: Plastic gearboxes can often be injection molded or fabricated using less complex machining processes, leading to reduced manufacturing costs.
  • Tooling Expenses: The tooling required for plastic gear manufacturing is often less expensive than that for metal gears, contributing to overall cost savings.
  • Weight Reduction: Plastic gearboxes are lighter than metal counterparts, potentially leading to cost savings in transportation, installation, and overall system design.
  • Lubrication and Maintenance: Some plastic materials possess self-lubricating properties, reducing the need for external lubrication and maintenance, thus lowering long-term operational costs.

However, it’s important to note that plastic gearboxes may not be suitable for all applications, especially those requiring high torque, extreme temperatures, or aggressive operating conditions. Careful consideration of the application’s requirements is essential to determine if plastic gearboxes can provide a cost-effective and reliable solution.

China Good quality CZPT Brand Yps 64-75 Gear Box for Parallel Double Screw Extruder   gearbox design		China Good quality CZPT Brand Yps 64-75 Gear Box for Parallel Double Screw Extruder   gearbox design
editor by CX 2024-05-13

China Hot selling Jhms 375 High Precision Gear Box for Single Screw Rubber Extruder best automatic gearbox

Product Description

JHMS 375 High Precision Gear Box For Single Screw Rubber Extruder
 

Product Description:
    JHMS series gearboxes are high precision hardening tooth flank transmission part with thrust bearing
housing. They are designed for plastic screw-rod extruder according to ZBJ19
 
Website:
 

/* 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, Marine, Agricultural Machinery, Plastic and Rubber Extrusion
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Helical-Bevel
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Four-Step
Customization:
Available

|

Customized Request

plastic gearbox

Performance of Plastic Gearboxes in Automotive Applications

Plastic gearboxes have gained popularity in automotive applications due to their specific performance attributes and advantages. Here’s how plastic gearboxes perform in automotive settings:

  • Weight Reduction: Plastic gearboxes are lightweight compared to their metal counterparts, contributing to overall weight reduction in vehicles. This helps improve fuel efficiency and reduce emissions.
  • Noise and Vibration Dampening: Plastic gearboxes exhibit better noise and vibration dampening characteristics, leading to quieter and more comfortable driving experiences.
  • Corrosion Resistance: Plastic gearboxes are less susceptible to corrosion and rust, making them suitable for automotive components exposed to various environmental conditions.
  • Cost-Effectiveness: Plastic gearboxes can be more cost-effective to manufacture than metal gearboxes, contributing to cost savings in vehicle production.
  • Precision and Durability: Advanced engineering and material technologies ensure that plastic gearboxes offer the required precision and durability for automotive applications.
  • Specific Applications: Plastic gearboxes are used in automotive systems like windshield wipers, power windows, HVAC controls, and seat adjustment mechanisms.

Overall, plastic gearboxes in automotive applications contribute to improved vehicle performance, reduced weight, enhanced comfort, and cost-effective production.

plastic gearbox

Suitability of Plastic Gearboxes for Medical Equipment and Sterilization Requirements

Plastic gearboxes are increasingly being considered for medical equipment due to their unique characteristics that align with sterilization requirements. Here’s how plastic gearboxes are suitable for medical applications:

  • Chemical Resistance: Many plastics used in gearboxes are chemically resistant, making them suitable for exposure to various sterilization methods, such as autoclaving or chemical disinfection.
  • Non-Corrosive: Plastic gearboxes do not corrode or rust, which is crucial for maintaining the integrity and cleanliness of medical equipment during repeated sterilization cycles.
  • Weight and Compactness: Plastic gearboxes are lightweight and compact, making them ideal for portable and handheld medical devices that require easy maneuverability.
  • Design Flexibility: Plastic gearboxes can be designed with intricate shapes and features, allowing for integration into complex medical equipment designs.
  • Low Friction and Noise: Plastic gearboxes often exhibit low friction and noise levels, which is beneficial for medical devices that require smooth and quiet operation.
  • Ease of Cleaning: The smooth surfaces of plastic gearboxes are easy to clean and sterilize, reducing the risk of contamination.

Due to these advantages, plastic gearboxes can play a vital role in medical equipment that requires frequent sterilization, such as surgical tools, diagnostic devices, and patient monitoring equipment.

plastic gearbox

Plastic Gearbox: Functionality and Applications

A plastic gearbox is a type of gearbox that incorporates plastic materials for its construction. These gearboxes are designed to transmit and control mechanical power between rotating shafts while utilizing plastic components for gear teeth, housing, and other critical parts. Plastic gearboxes offer unique advantages and are used in various applications:

  • Function: Plastic gearboxes work similarly to traditional metal gearboxes, where they transfer rotational motion and torque from one shaft to another. The plastic gears mesh together to transmit power and can be designed for speed reduction, torque increase, or both.
  • Advantages: Plastic gearboxes are lightweight, corrosion-resistant, and quieter compared to metal gearboxes. They can also be cost-effective to manufacture and offer good chemical resistance in corrosive environments.
  • Applications: Plastic gearboxes find applications in a wide range of industries, including automotive, consumer electronics, medical devices, and more. They are commonly used in situations where weight, noise, and corrosion resistance are important factors.
  • Automotive: Plastic gearboxes can be found in various automotive components, such as seat adjustment systems, sunroof mechanisms, and HVAC controls.
  • Consumer Electronics: Plastic gearboxes are used in devices like printers, cameras, and office equipment to provide smooth and precise motion control.
  • Medical Devices: Medical equipment often requires lightweight and corrosion-resistant components, making plastic gearboxes suitable for applications like surgical instruments and diagnostic machines.
  • Home Appliances: Plastic gearboxes are commonly used in appliances like washing machines, dishwashers, and vacuum cleaners for reliable and quiet operation.

Plastic gearboxes have evolved to offer durability, efficiency, and customization options for specific applications. Their unique combination of properties makes them well-suited for situations where traditional metal gearboxes may not be the optimal choice.

China Hot selling Jhms 375 High Precision Gear Box for Single Screw Rubber Extruder   best automatic gearbox	China Hot selling Jhms 375 High Precision Gear Box for Single Screw Rubber Extruder   best automatic gearbox
editor by CX 2024-05-08

China Hot selling CZPT Series Extruder Reduction Box Plastic Single Screw Extruder Gearbox for Plastic Extrusion Machine planetary gearbox

Product Description

ZLYJ Series Extruder reduction box plastic single screw extruder gearbox for plastic extrusion machine

< ABOUT TILI 

Technical data

 

Product Name ZLYJ Series Extruder reduction box plastic single screw extruder gearbox for plastic extrusion machine
Power 0.12KW~160KW    
Torque 1.4N · m ~ 36600N · m   
Output speed 0.06 ~ 1090r/min
Gear material 20CrMnTi alloy steel
Gear Processing   Grinding finish by HOFLER Grinding Machines
Noise Test Below 65dB
Brand of bearings C&U bearing, ZWZ,LYC, HRB, CHINAMFG ,etc
Brand of oil seal NAK or other brand
Temp. rise (MAX) 40ºC  
Temp. rise (Oil)(MAX 50ºC  
Vibration ≤20µm
Housing hardness HBS190-240
Surface hardness of gears HRC58°~62 °
Gear core hardness HRC33~40
Machining precision of gears 5 Grade
Lubricating oil GB L-CKC220-460, Shell Omala220-460
Heat treatment Carburizing, Quenching etc
Efficiency 95%~96% (depends on the transmission stage)
Bearing output mode parallel output 
Installation type and output mode Bottom seated type  flange type installation, solid,hollow shaft output.
Input mode Direct motor, shaft input and connecting flange input
Input Method Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor

 

Installation Instructions

 

Company Profile

< WORKSHOP

< QUALITY CONTROL

 

Certifications

Packaging & Shipping

FAQ

 

Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of reducer.

Q 2:Can you do OEM?
A:Yes, we can. We can do OEM for all the customers .if you want to order NON-STANDERD speed reducers,pls provide Drafts, Dimensions, Pictures and Samples if possible.

Q 3: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 4: Do you have inspection procedures for reducer?
A:100% self-inspection before packing.

Q 5: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.

Q 6:How to choose a gearbox? What if I don’t know which gear reducer I need?
A:You can refer to our catalogue to choose the gearbox or we can help to choose when you provide,the technical information of required output torque, output speed and motor parameter etc. Don’t worry, Send as much information as you can, our team will help you find the right 1 you are looking for.

Q 7: What information shall we give before placing a purchase order?
A:a) Type of the gearbox, Size , Transmission Ratio, input and output type, input flange, mounting position, motor information and shaft deflection etc. b)Housing color.c) Purchase quantity. d) Other special requirements

Q 8:What is the payment term?
A:You can pay via T/T(30% in advance as deposit before production +70% before delivery

 

 

/* 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: Motor, Machinery, Agricultural Machinery, Industrial Automation Equipment, Chemical Industry
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Coaxial
Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

plastic gearbox

Factors Affecting the Load-Bearing Capacity of a Plastic Gearbox

The load-bearing capacity of a plastic gearbox is influenced by various factors:

  • Material Selection: The choice of plastic material significantly impacts load-bearing capacity, with high-performance plastics offering greater strength and durability.
  • Gear Design: The geometry of gear teeth, such as tooth profile, helix angle, and pressure angle, affects load distribution and carrying capacity.
  • Load Type: Different types of loads, such as radial, axial, or combination loads, influence the gearbox’s ability to withstand forces.
  • Surface Treatment: Surface treatments like reinforcement fibers, coatings, or additives can enhance the material’s load-bearing properties.
  • Temperature and Environment: Operating temperature and environmental conditions impact material properties and overall gearbox performance.
  • Lubrication: Proper lubrication reduces friction and wear, improving load-carrying capabilities.
  • Mounting and Support: The gearbox’s mounting and support structure affect its ability to handle loads without deformation or failure.
  • Dynamic Effects: Factors like shock loads, impact forces, and cyclic loading can impact the gearbox’s fatigue resistance.

Considering these factors during design and application helps determine the load-bearing capacity of a plastic gearbox and ensures its reliable operation within specified limits.

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

Cost-Effective Solutions with Plastic Gearboxes

Plastic gearboxes can indeed offer a cost-effective solution for specific engineering needs, offering several advantages:

  • Material Cost: Plastic materials are generally more cost-effective than metals, making them a budget-friendly option for applications where cost is a significant consideration.
  • Reduced Machining Costs: Plastic gearboxes can often be injection molded or fabricated using less complex machining processes, leading to reduced manufacturing costs.
  • Tooling Expenses: The tooling required for plastic gear manufacturing is often less expensive than that for metal gears, contributing to overall cost savings.
  • Weight Reduction: Plastic gearboxes are lighter than metal counterparts, potentially leading to cost savings in transportation, installation, and overall system design.
  • Lubrication and Maintenance: Some plastic materials possess self-lubricating properties, reducing the need for external lubrication and maintenance, thus lowering long-term operational costs.

However, it’s important to note that plastic gearboxes may not be suitable for all applications, especially those requiring high torque, extreme temperatures, or aggressive operating conditions. Careful consideration of the application’s requirements is essential to determine if plastic gearboxes can provide a cost-effective and reliable solution.

China Hot selling CZPT Series Extruder Reduction Box Plastic Single Screw Extruder Gearbox for Plastic Extrusion Machine   planetary gearbox	China Hot selling CZPT Series Extruder Reduction Box Plastic Single Screw Extruder Gearbox for Plastic Extrusion Machine   planetary gearbox
editor by CX 2024-04-12

China wholesaler Jhms 450 High Precision Gear Box for Single Screw Rubber Extruder components of gearbox

Product Description

JHMS 450 High Precision Gear Box For Single Screw Rubber Extruder
 

Product Description:
    JHMS series gearboxes are high precision hardening tooth flank transmission part with thrust bearing
housing. They are designed for plastic screw-rod extruder according to ZBJ19
 
Website:
 

/* 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, Marine, Agricultural Machinery, Plastic and Rubber Extrusion
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Helical-Bevel
Hardness: Hardened Tooth Surface
Installation: Vertical 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

Advantages of Plastic Gearboxes in Terms of Weight and Efficiency

Plastic gearboxes offer several significant advantages in terms of weight and efficiency, making them an attractive choice for various applications:

  • Lightweight Construction: Plastic gearboxes are inherently lighter than their metal counterparts. The use of lightweight materials reduces the overall weight of the machinery or equipment, leading to easier handling, reduced energy consumption, and improved portability.
  • Efficient Power Transmission: Plastic gearboxes are designed to ensure efficient power transmission with minimal energy losses. Their low friction characteristics and precise engineering contribute to higher efficiency, resulting in optimized performance and reduced energy consumption.
  • Reduced Inertia: The lightweight nature of plastic gearboxes leads to lower inertia, allowing for quicker acceleration, deceleration, and directional changes. This is particularly beneficial in applications requiring rapid and precise movements.
  • Low Lubrication Requirements: Plastic gearboxes often require less lubrication compared to metal gearboxes. This not only reduces maintenance efforts but also minimizes the risk of oil leakage or contamination in sensitive environments.
  • Noise Reduction: Plastic gearboxes’ inherent damping properties contribute to quieter operation. The reduction in noise levels enhances user comfort and minimizes sound pollution in various settings.

The combination of lightweight construction, efficient power transmission, reduced inertia, low lubrication requirements, and noise reduction makes plastic gearboxes an excellent choice for applications where weight savings, energy efficiency, and smooth operation are essential.

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 wholesaler Jhms 450 High Precision Gear Box for Single Screw Rubber Extruder   components of gearbox	China wholesaler Jhms 450 High Precision Gear Box for Single Screw Rubber Extruder   components of gearbox
editor by CX 2024-04-02

China Standard Single or Twin Screw Extruder Gearbox Plastic Machine Extruder Speed Reduction Gear Box gearbox definition

Product Description

Single or Twin Screw Extruder Gearbox

Description:
ZLYJ series speed reducer is a transmission part that possesses high precision hard gear surface and thrust block designed for plastic screw extruder. The design of product adapts all kinds of norm specified in ZBJ19009-88/ it features that gear and axis parts are made of high strength alloy steel. The gear is processes by carburization, quenching and tooth grinding process. The precision of gear is grade 6 specified in GB10095-88. The hardness of gear surface is HRC54~62. At front end of hollow input axis there is large specification thrust bearing that will bear axial thrust force while the screw is working. The complete machine features compact, high in bearing capacity, stable in transmission, low noise, high efficiency, etc.

Main features:
The material of gear is the high strength alloy steel, it is manufactured by carburizing, quenching( and other heat treatment), grinding process at last. The gear is in high precision( 6 grade) and high hardness( reaches HRC54-62). Besides, it features low noise when operating.
With high bearing ability thrust block, which is performed reliable and can withstand larger axial thrust
All the items are treated by forced lubrication and cooling system except very few small specification products.
ZLYJ series gearbox is adopted by six-side processing box, Its normal installation is horizontal, but can also be changed to vertical installation according to customers’ requirement.
Efficiency transmission, low noise, operation long time…

Packaging & Shipping
Packing: Wooden case
Port: ZheJiang

Our Services
Client satisfaction is our key business principle, as is consistent service. We offer a personalised and hands-on service to our clients. We will work closely with them to ensure that they receive superior outcomes. Whether they are in need of a simple gearbox exchange or a complicated customized gearbox, we have the bespoke service available. All of our products and services are cost-effective and we guarantee that our clients will receive a long-lasting solution and get great value for money. Also, all gearboxes have 12 to 18 months warranty.

FAQ:
1, Q: What’s your business type?
A: Manufacturer

2, Q: What’s your main products?
A: Power transmission gearboxes and gears.
Such as: Industrial HB gearbox, worm/helical/bevel/planetary gearbox, heavy duty gearbox, gearbox for crane/extruder/excavator/rolling mill/cement mill, etc.

3, Q: What about your warranty? A: 12 to 18 months warranty according to different products and lifetime service.

4, Q: What’s your MOQ?
A: 1 piece for different gearboxes.
5, Q: Can you supply customized gearboxes or gears?
A: Yes, we can. Mostly depend on your requirements.
6, Q: What information should be given, if I want to buy gearbox?
A: Gearbox ratio, type, input speed, rated power. More details, better! /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Industry
Function: Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
Customization:
Available

|

Customized Request

plastic gearbox

Factors Affecting the Load-Bearing Capacity of a Plastic Gearbox

The load-bearing capacity of a plastic gearbox is influenced by various factors:

  • Material Selection: The choice of plastic material significantly impacts load-bearing capacity, with high-performance plastics offering greater strength and durability.
  • Gear Design: The geometry of gear teeth, such as tooth profile, helix angle, and pressure angle, affects load distribution and carrying capacity.
  • Load Type: Different types of loads, such as radial, axial, or combination loads, influence the gearbox’s ability to withstand forces.
  • Surface Treatment: Surface treatments like reinforcement fibers, coatings, or additives can enhance the material’s load-bearing properties.
  • Temperature and Environment: Operating temperature and environmental conditions impact material properties and overall gearbox performance.
  • Lubrication: Proper lubrication reduces friction and wear, improving load-carrying capabilities.
  • Mounting and Support: The gearbox’s mounting and support structure affect its ability to handle loads without deformation or failure.
  • Dynamic Effects: Factors like shock loads, impact forces, and cyclic loading can impact the gearbox’s fatigue resistance.

Considering these factors during design and application helps determine the load-bearing capacity of a plastic gearbox and ensures its reliable operation within specified limits.

plastic gearbox

Use of Plastic Gearboxes in Outdoor Equipment and Machinery

Plastic gearboxes have gained popularity in outdoor equipment and machinery due to their versatility, corrosion resistance, and lightweight nature. Here’s how plastic gearboxes can be effectively used in outdoor applications:

  • Lawn and Garden Equipment: Plastic gearboxes are suitable for lawnmowers, leaf blowers, and garden tillers. They can withstand exposure to moisture and chemicals commonly found in outdoor environments.
  • Automated Irrigation Systems: Plastic gearboxes are used in sprinklers and irrigation systems to control water distribution. They are less susceptible to rust and can handle varying weather conditions.
  • Outdoor Power Tools: Chainsaws, trimmers, and hedge clippers benefit from plastic gearboxes as they offer durability without adding excessive weight to the equipment.
  • Recreational Vehicles: Plastic gearboxes can be found in all-terrain vehicles (ATVs), snowmobiles, and jet skis, ensuring smooth and reliable performance during outdoor adventures.
  • Boating and Marine Applications: Plastic gearboxes are used in marine equipment like boat winches and anchor windlasses, as they are resistant to saltwater corrosion.
  • Outdoor Furniture: Motorized awnings, retractable roofs, and adjustable outdoor furniture often use plastic gearboxes to provide convenient and weather-resistant functionality.

Plastic gearboxes offer a cost-effective solution for outdoor equipment and machinery, enabling reliable operation in challenging outdoor conditions.

plastic gearbox

Types of Plastics Commonly Used in Manufacturing Plastic Gearboxes

Several types of plastics are commonly used in the manufacturing of plastic gearboxes, each offering specific properties and advantages:

  • Polyamide (Nylon): Nylon is a popular choice due to its excellent wear resistance, low friction, and good impact strength. It can handle moderate loads and is suitable for various applications.
  • Polyoxymethylene (Acetal): Acetal provides high stiffness, low friction, and good dimensional stability. It is often used for small gears and low-load applications.
  • Polyethylene (PE): PE offers low friction, good impact strength, and chemical resistance. It’s suitable for applications with light loads and low speeds.
  • Polycarbonate (PC): PC provides high impact resistance and transparency. It’s used in applications requiring good visibility and moderate load-bearing capacity.
  • Polyphenylene Sulfide (PPS): PPS offers high temperature resistance and chemical resistance. It’s suitable for applications in demanding environments.
  • Polyetheretherketone (PEEK): PEEK is a high-performance plastic with excellent temperature and chemical resistance. It’s used in high-temperature and harsh environments.

The choice of plastic depends on the specific requirements of the application, including load, speed, temperature, and environmental factors.

China Standard Single or Twin Screw Extruder Gearbox Plastic Machine Extruder Speed Reduction Gear Box   gearbox definition		China Standard Single or Twin Screw Extruder Gearbox Plastic Machine Extruder Speed Reduction Gear Box   gearbox definition
editor by CX 2024-02-23

China best Zlyj146 173 225 250 Gear Box Helical Reducer High Torque Transmission Parts Gearbox for Plastic Screw Extruder Screw synchromesh gearbox

Product Description

Product Description

Z LYJ  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.

 

Product Parameters

 

Detailed Photos

Machine Parts 

Name: High Quality CHINAMFG Gearbox 

Original: China Gear material: high alloy steel low carbon (20CrMnTi)The interface is hardened, precision-ground and hard-chrome-plated to 870HV hardness and Ra 0.8-1.6µm roughness, so the shaft-seal is super hard, resists wear and corrosion, and very durable.

Main Features 

Made of carburizing steel (Forging), go through normalization heat treatment for forged carburizing steel; and gear faces are also nitride-treated to at least 60HRC hardness for optimal rigidity and carburizing depth 0.8-1.1MM and wear resistance.

Single Screw Extruder Gearbox

Our CHINAMFG gearbox for single screw extruder adopts high strength alloy steel material and the gear is of high accuracy. It is less
noisy, work quietly and smoothly. So it is a longer service life.

Gearbox casting body

1. we prepare enough casting body in our workshop to guarantee the delivery time.
2. this is our new gearbox casting body design.
3. fast delivery time and high quality

Heat treatment furnace

 

We have own heat treatment for the gears and gearshaft, so it’s easy for us to control the quality and the quality is more gurantee.

 

Packaging & Shipping

1)Packing: Wrapped up by film in wooden cases

2)Port Departure: HangZhou Port

3)Delivery time: 25 working days CHINAMFG receipt of 30% deposit(days based on your quantity)

We use strong plywood or wooden case for all our products.

FAQ

Q1. Are you a trading company or a manufacturer?
We are a BSCI&ISO-9001 certificated manufacturer.

Q2. Can I place the customized order for different sizes, colors, materials,packings….?
Yes, all the customized orders are welcomed.

Q3. Could I get a QC report before delivery?
Yes, the specific QC reports will be sent to you before delivery.

Q4. Can I get a lower price if I place a larger order?
Yes, the price will be modified according to your order quantities.

 

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Standard: DIN, ASTM
Technics: Casting
Material: Metal
After-Sales Service: Good After-Sales Service
Warranty: One Year
Feature: Corrosion Resistance
Customization:
Available

|

Customized Request

plastic gearbox

Environmental Durability of Plastic Gearboxes

Plastic gearboxes are designed to withstand varying environmental conditions, but their performance depends on factors such as:

  • Temperature: High-performance plastics can operate effectively across a wide temperature range, from extreme cold to elevated temperatures.
  • Moisture and Humidity: Some plastics are resistant to moisture and humidity, making them suitable for outdoor and wet environments.
  • Chemical Exposure: Certain plastics are chemically resistant, protecting gearboxes from exposure to oils, fuels, solvents, and corrosive substances.
  • UV Resistance: UV-stabilized plastics can prevent degradation and maintain mechanical properties when exposed to sunlight.
  • Impact and Vibration: Plastics with good impact resistance and vibration dampening properties can handle shocks and vibrations in industrial and outdoor settings.
  • Contaminants: Sealed designs and proper maintenance can prevent the ingress of dust, dirt, and contaminants that may affect performance.
  • Material Selection: Choosing the right plastic material based on the specific environmental conditions is crucial for ensuring durability.

By selecting suitable plastic materials, incorporating proper seals, and considering the environmental factors, plastic gearboxes can provide reliable and durable performance in a wide range of conditions.

plastic gearbox

Advantages of Noise Reduction in Plastic Gearboxes

Plastic gearboxes offer distinct advantages in applications where noise reduction is a key concern. Here are specific scenarios where plastic gearboxes excel in minimizing noise:

  • Home Appliances: Plastic gearboxes are commonly used in household appliances like blenders, mixers, and food processors. Their inherent dampening properties help reduce noise levels, ensuring a quieter kitchen environment.
  • Office Equipment: Printers, photocopiers, and other office machines benefit from plastic gearboxes as they contribute to a quieter workplace, enhancing user comfort and productivity.
  • Medical Devices: Precision instruments and medical equipment often require low noise levels for patient comfort and accurate readings. Plastic gearboxes can contribute to a quieter and more peaceful medical environment.
  • Automotive Interiors: Plastic gearboxes are used in applications such as adjustable seats, sunroof mechanisms, and HVAC systems. Noise reduction enhances the overall driving experience and comfort.
  • Consumer Electronics: Plastic gearboxes are employed in devices like cameras, audio equipment, and household robots, ensuring quieter operation and improved user satisfaction.
  • Entertainment Systems: Plastic gearboxes play a role in gaming consoles, home theaters, and automated entertainment systems, providing a noise-free experience.

Plastic gearboxes’ ability to dampen vibrations and reduce noise makes them a suitable choice for applications where quiet operation is essential, enhancing user experience and product performance.

plastic gearbox

Plastic Gearbox: Functionality and Applications

A plastic gearbox is a type of gearbox that incorporates plastic materials for its construction. These gearboxes are designed to transmit and control mechanical power between rotating shafts while utilizing plastic components for gear teeth, housing, and other critical parts. Plastic gearboxes offer unique advantages and are used in various applications:

  • Function: Plastic gearboxes work similarly to traditional metal gearboxes, where they transfer rotational motion and torque from one shaft to another. The plastic gears mesh together to transmit power and can be designed for speed reduction, torque increase, or both.
  • Advantages: Plastic gearboxes are lightweight, corrosion-resistant, and quieter compared to metal gearboxes. They can also be cost-effective to manufacture and offer good chemical resistance in corrosive environments.
  • Applications: Plastic gearboxes find applications in a wide range of industries, including automotive, consumer electronics, medical devices, and more. They are commonly used in situations where weight, noise, and corrosion resistance are important factors.
  • Automotive: Plastic gearboxes can be found in various automotive components, such as seat adjustment systems, sunroof mechanisms, and HVAC controls.
  • Consumer Electronics: Plastic gearboxes are used in devices like printers, cameras, and office equipment to provide smooth and precise motion control.
  • Medical Devices: Medical equipment often requires lightweight and corrosion-resistant components, making plastic gearboxes suitable for applications like surgical instruments and diagnostic machines.
  • Home Appliances: Plastic gearboxes are commonly used in appliances like washing machines, dishwashers, and vacuum cleaners for reliable and quiet operation.

Plastic gearboxes have evolved to offer durability, efficiency, and customization options for specific applications. Their unique combination of properties makes them well-suited for situations where traditional metal gearboxes may not be the optimal choice.

China best Zlyj146 173 225 250 Gear Box Helical Reducer High Torque Transmission Parts Gearbox for Plastic Screw Extruder Screw   synchromesh gearbox	China best Zlyj146 173 225 250 Gear Box Helical Reducer High Torque Transmission Parts Gearbox for Plastic Screw Extruder Screw   synchromesh gearbox
editor by CX 2024-01-08

China Standard China High Torque Twin Screw Pelletizing Extruder Gear Box cycloidal gearbox

Product Description

Polytek co-rotating twin-screw extruders are designed for maximum reliability, ease-of-use and flexibility. We offer turn-key solution for all types of material compounding applications.

we are proud to introduce our PTH series extruder which equiped with high torque and high speed gear box, desinged with specific torque of

12Nm/cm3 to achieve high screw filling rate, which results in a decrease of melt temperature, thus improving compound quality.

what is twin screw extruder 

Co-rotating twin-screw extruder : Due to the co-rotating twin-screw has the opposite speed at the meshing point, 1 screw pulls the material into the meshing gap, and the other screw pushes the material out of the gap, resulting in material from 1 screw turns to the other screw and advances in a “∞” shape. Since the gap of the meshing zone is small, the speed of the meshing screw and the groove are opposite in direction, so that the cutting speed is high, and the self-cleaning effect is good, that is, any accumulated material adhering to the screw can be scraped off, thereby The residence time of the material is very short, so the twin screw extruder is mainly used for compounding and pelletizing .

Polytek also have 2 stage extruder for PVC compound and high filler masterbatch extrusion.

Technical Data of PTH Extruder
 

Model Torque/Shaft(Nm) Screw Diameter(mm) Max.Screw Speed(RPM) Motor Power(Kw) Capacity(Kg)
PTH-20 40 22 600 5.5 15
PTH-25 110 25 900 22 90
PTH-35 320 36 900 75 280
PTH-50 890 51 900 200 800
PTH-65 1690 62 900 355 1400
PTH-75 2590 71 900 550 2200
PTH-96 5690 94 600 710 4000
PTH-135 7160 132 400 600 3500
PTH-165 14300 165 400 1200 5000

Construction :

The Applications of Co-rotating Twin Screw Extruder

1.Glass fiber reinforced, fuel barrier palletizing (For example PA6, PA66, PET, PBT, PP, and PC reinforced flame retardant)
2.Highly filled material granulation (For example PE, PP filled with 75%CaCo)
3.Granulation of heat-sensitive materials (For example PVC, XLPE cable material)
4.Intense color masterbatch (For example filled with 50% color powder)
5.Antistatic masterbatches, alloys, coloring, low-fill co-mingling granulation
6.Cable material granulation (For example sheathing material and insulation material)
7.XLPE pipe material granulation (For example masterbatches for hot water crosslinking)
8.Thermoset plastic compounding and extrusion (For example phenolic resin, epoxy resin, and powder coating)
9.Hot melt adhesive, PU reactive extrusion palletizing (For example EVA hot melt adhesive and polyurethane)
10.K resin, SBS de-volatile granulation
 

Spare parts and service, we are not only selling machine, but also our knowledge and service

Owe to rich theoretical knowledge and experience in compounding fifield, we can offer best solution to meet customer’s requirement, not only for local extruders. We can also provide standard parts of Coperion, Berstoff, JSW, Toshibar, Steer etc.

About Polytek
 

POLYTEK Intelligent Equipement Co., Ltd. is a committed in plastic extrusion and recycling technology R & D, to provide for customers compounding/plastic pipe/profile/sheet/board extrusion & waste plastic washing recycling machines, which will meet requirement of ISO 9001 and CE. With many patent technologies, we can provide customized solution for all kinds requirement, which will be stable, best performance, and competitive price .We have 3000m2 plant and over 30 employs, including a strong team of technical design and after sale service, which will insure the quick action to customer’s requirement.

Certification For PTH Extruders

More Equipment for various polymer compound

Air cooling conveyor Belt

twin screw extruder

Two stage extruder

Purchasing from CHINAMFG is only the beginning of our relationship. We are committed to the success of our customers

and we support you and your equipment throughout the life of your investment. We provide expertise with preventative

maintenance plans, health and wellness checks, and training services so that you can focus on what you do best: sell your product.

After-sales Service: 24 Hours on Call
Warranty: 12 Months
Type: Twin Screw Extruder for Compouding
Plastic Processed: PP PE Pet PC ABS TPR TPE TPU TPV PVC
Product Type: Granulating Extruder
Feeding Mode: Multiple Feed

plastic gearbox

Performance of Plastic Gearboxes in Automotive Applications

Plastic gearboxes have gained popularity in automotive applications due to their specific performance attributes and advantages. Here’s how plastic gearboxes perform in automotive settings:

  • Weight Reduction: Plastic gearboxes are lightweight compared to their metal counterparts, contributing to overall weight reduction in vehicles. This helps improve fuel efficiency and reduce emissions.
  • Noise and Vibration Dampening: Plastic gearboxes exhibit better noise and vibration dampening characteristics, leading to quieter and more comfortable driving experiences.
  • Corrosion Resistance: Plastic gearboxes are less susceptible to corrosion and rust, making them suitable for automotive components exposed to various environmental conditions.
  • Cost-Effectiveness: Plastic gearboxes can be more cost-effective to manufacture than metal gearboxes, contributing to cost savings in vehicle production.
  • Precision and Durability: Advanced engineering and material technologies ensure that plastic gearboxes offer the required precision and durability for automotive applications.
  • Specific Applications: Plastic gearboxes are used in automotive systems like windshield wipers, power windows, HVAC controls, and seat adjustment mechanisms.

Overall, plastic gearboxes in automotive applications contribute to improved vehicle performance, reduced weight, enhanced comfort, and cost-effective production.

plastic gearbox

Advantages of Noise Reduction in Plastic Gearboxes

Plastic gearboxes offer distinct advantages in applications where noise reduction is a key concern. Here are specific scenarios where plastic gearboxes excel in minimizing noise:

  • Home Appliances: Plastic gearboxes are commonly used in household appliances like blenders, mixers, and food processors. Their inherent dampening properties help reduce noise levels, ensuring a quieter kitchen environment.
  • Office Equipment: Printers, photocopiers, and other office machines benefit from plastic gearboxes as they contribute to a quieter workplace, enhancing user comfort and productivity.
  • Medical Devices: Precision instruments and medical equipment often require low noise levels for patient comfort and accurate readings. Plastic gearboxes can contribute to a quieter and more peaceful medical environment.
  • Automotive Interiors: Plastic gearboxes are used in applications such as adjustable seats, sunroof mechanisms, and HVAC systems. Noise reduction enhances the overall driving experience and comfort.
  • Consumer Electronics: Plastic gearboxes are employed in devices like cameras, audio equipment, and household robots, ensuring quieter operation and improved user satisfaction.
  • Entertainment Systems: Plastic gearboxes play a role in gaming consoles, home theaters, and automated entertainment systems, providing a noise-free experience.

Plastic gearboxes’ ability to dampen vibrations and reduce noise makes them a suitable choice for applications where quiet operation is essential, enhancing user experience and product performance.

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 Standard China High Torque Twin Screw Pelletizing Extruder Gear Box   cycloidal gearbox	China Standard China High Torque Twin Screw Pelletizing Extruder Gear Box   cycloidal gearbox
editor by CX 2023-10-07

China best China High Torque Twin Screw Pelletizing Extruder Gear Box with high quality

Product Description

Polytek co-rotating twin-screw extruders are designed for maximum reliability, ease-of-use and flexibility. We offer turn-key solution for all types of material compounding applications.

we are proud to introduce our PTH series extruder which equiped with high torque and high speed gear box, desinged with specific torque of

12Nm/cm3 to achieve high screw filling rate, which results in a decrease of melt temperature, thus improving compound quality.

what is twin screw extruder 

Co-rotating twin-screw extruder : Due to the co-rotating twin-screw has the opposite speed at the meshing point, 1 screw pulls the material into the meshing gap, and the other screw pushes the material out of the gap, resulting in material from 1 screw turns to the other screw and advances in a “∞” shape. Since the gap of the meshing zone is small, the speed of the meshing screw and the groove are opposite in direction, so that the cutting speed is high, and the self-cleaning effect is good, that is, any accumulated material adhering to the screw can be scraped off, thereby The residence time of the material is very short, so the twin screw extruder is mainly used for compounding and pelletizing .

Polytek also have 2 stage extruder for PVC compound and high filler masterbatch extrusion.

Technical Data of PTH Extruder
 

Model Torque/Shaft(Nm) Screw Diameter(mm) Max.Screw Speed(RPM) Motor Power(Kw) Capacity(Kg)
PTH-20 40 22 600 5.5 15
PTH-25 110 25 900 22 90
PTH-35 320 36 900 75 280
PTH-50 890 51 900 200 800
PTH-65 1690 62 900 355 1400
PTH-75 2590 71 900 550 2200
PTH-96 5690 94 600 710 4000
PTH-135 7160 132 400 600 3500
PTH-165 14300 165 400 1200 5000

Construction :

The Applications of Co-rotating Twin Screw Extruder

1.Glass fiber reinforced, fuel barrier palletizing (For example PA6, PA66, PET, PBT, PP, and PC reinforced flame retardant)
2.Highly filled material granulation (For example PE, PP filled with 75%CaCo)
3.Granulation of heat-sensitive materials (For example PVC, XLPE cable material)
4.Intense color masterbatch (For example filled with 50% color powder)
5.Antistatic masterbatches, alloys, coloring, low-fill co-mingling granulation
6.Cable material granulation (For example sheathing material and insulation material)
7.XLPE pipe material granulation (For example masterbatches for hot water crosslinking)
8.Thermoset plastic compounding and extrusion (For example phenolic resin, epoxy resin, and powder coating)
9.Hot melt adhesive, PU reactive extrusion palletizing (For example EVA hot melt adhesive and polyurethane)
10.K resin, SBS de-volatile granulation
 

Spare parts and service, we are not only selling machine, but also our knowledge and service

Owe to rich theoretical knowledge and experience in compounding fifield, we can offer best solution to meet customer’s requirement, not only for local extruders. We can also provide standard parts of Coperion, Berstoff, JSW, Toshibar, Steer etc.

About Polytek
 

POLYTEK Intelligent Equipement Co., Ltd. is a committed in plastic extrusion and recycling technology R & D, to provide for customers compounding/plastic pipe/profile/sheet/board extrusion & waste plastic washing recycling machines, which will meet requirement of ISO 9001 and CE. With many patent technologies, we can provide customized solution for all kinds requirement, which will be stable, best performance, and competitive price .We have 3000m2 plant and over 30 employs, including a strong team of technical design and after sale service, which will insure the quick action to customer’s requirement.

Certification For PTH Extruders

More Equipment for various polymer compound

Air cooling conveyor Belt

twin screw extruder

Two stage extruder

Purchasing from CHINAMFG is only the beginning of our relationship. We are committed to the success of our customers

and we support you and your equipment throughout the life of your investment. We provide expertise with preventative

maintenance plans, health and wellness checks, and training services so that you can focus on what you do best: sell your product.

After-sales Service: 24 Hours on Call
Warranty: 12 Months
Type: Twin Screw Extruder for Compouding
Plastic Processed: PP PE Pet PC ABS TPR TPE TPU TPV PVC
Product Type: Granulating Extruder
Feeding Mode: Multiple Feed

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

Suitability of Plastic Gearboxes for Medical Equipment and Sterilization Requirements

Plastic gearboxes are increasingly being considered for medical equipment due to their unique characteristics that align with sterilization requirements. Here’s how plastic gearboxes are suitable for medical applications:

  • Chemical Resistance: Many plastics used in gearboxes are chemically resistant, making them suitable for exposure to various sterilization methods, such as autoclaving or chemical disinfection.
  • Non-Corrosive: Plastic gearboxes do not corrode or rust, which is crucial for maintaining the integrity and cleanliness of medical equipment during repeated sterilization cycles.
  • Weight and Compactness: Plastic gearboxes are lightweight and compact, making them ideal for portable and handheld medical devices that require easy maneuverability.
  • Design Flexibility: Plastic gearboxes can be designed with intricate shapes and features, allowing for integration into complex medical equipment designs.
  • Low Friction and Noise: Plastic gearboxes often exhibit low friction and noise levels, which is beneficial for medical devices that require smooth and quiet operation.
  • Ease of Cleaning: The smooth surfaces of plastic gearboxes are easy to clean and sterilize, reducing the risk of contamination.

Due to these advantages, plastic gearboxes can play a vital role in medical equipment that requires frequent sterilization, such as surgical tools, diagnostic devices, and patient monitoring equipment.

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 best China High Torque Twin Screw Pelletizing Extruder Gear Box   with high quality China best China High Torque Twin Screw Pelletizing Extruder Gear Box   with high quality
editor by CX 2023-09-28

China Professional CZPT Series Gear Box Reducer for Single Screw Plastic Extruder manufacturer

Product Description

ZLYJ Series gear box  Reducer for Single Screw Plastic Extruder

Company Information
     Established in 1979, HangZhou Gearbox Manufacturing Co., Ltd.  is located in National High-tech Development Zone of HangZhou, ZheJiang , China.  With more than 38 years’ experience in research and development of gear transmission products, the factory covers an area of 87,
 
Website: jiangchi2012
 
 

Application: Motor, Agricultural Machinery, Plastic and Rubber Extrusion
Function: Change Drive Torque, Speed Changing, Speed Reduction
Layout: Helical
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Three-Step
Customization:
Available

|

Customized Request

plastic gearbox

Environmental Durability of Plastic Gearboxes

Plastic gearboxes are designed to withstand varying environmental conditions, but their performance depends on factors such as:

  • Temperature: High-performance plastics can operate effectively across a wide temperature range, from extreme cold to elevated temperatures.
  • Moisture and Humidity: Some plastics are resistant to moisture and humidity, making them suitable for outdoor and wet environments.
  • Chemical Exposure: Certain plastics are chemically resistant, protecting gearboxes from exposure to oils, fuels, solvents, and corrosive substances.
  • UV Resistance: UV-stabilized plastics can prevent degradation and maintain mechanical properties when exposed to sunlight.
  • Impact and Vibration: Plastics with good impact resistance and vibration dampening properties can handle shocks and vibrations in industrial and outdoor settings.
  • Contaminants: Sealed designs and proper maintenance can prevent the ingress of dust, dirt, and contaminants that may affect performance.
  • Material Selection: Choosing the right plastic material based on the specific environmental conditions is crucial for ensuring durability.

By selecting suitable plastic materials, incorporating proper seals, and considering the environmental factors, plastic gearboxes can provide reliable and durable performance in a wide range of conditions.

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

Types of Plastics Commonly Used in Manufacturing Plastic Gearboxes

Several types of plastics are commonly used in the manufacturing of plastic gearboxes, each offering specific properties and advantages:

  • Polyamide (Nylon): Nylon is a popular choice due to its excellent wear resistance, low friction, and good impact strength. It can handle moderate loads and is suitable for various applications.
  • Polyoxymethylene (Acetal): Acetal provides high stiffness, low friction, and good dimensional stability. It is often used for small gears and low-load applications.
  • Polyethylene (PE): PE offers low friction, good impact strength, and chemical resistance. It’s suitable for applications with light loads and low speeds.
  • Polycarbonate (PC): PC provides high impact resistance and transparency. It’s used in applications requiring good visibility and moderate load-bearing capacity.
  • Polyphenylene Sulfide (PPS): PPS offers high temperature resistance and chemical resistance. It’s suitable for applications in demanding environments.
  • Polyetheretherketone (PEEK): PEEK is a high-performance plastic with excellent temperature and chemical resistance. It’s used in high-temperature and harsh environments.

The choice of plastic depends on the specific requirements of the application, including load, speed, temperature, and environmental factors.

China Professional CZPT Series Gear Box Reducer for Single Screw Plastic Extruder   manufacturer China Professional CZPT Series Gear Box Reducer for Single Screw Plastic Extruder   manufacturer
editor by CX 2023-09-13

China Standard High Torque Gear Box of Double Screw Extruder with high quality

Product Description

Polytek co-rotating twin-screw extruders are designed for maximum reliability, ease-of-use and flexibility. We offer turn-key solution for all types of material compounding applications.

we are proud to introduce our PTH series extruder which equiped with high torque and high speed gear box, desinged with specific torque of

12Nm/cm3 to achieve high screw filling rate, which results in a decrease of melt temperature, thus improving compound quality.

what is twin screw extruder 

Co-rotating twin-screw extruder : Due to the co-rotating twin-screw has the opposite speed at the meshing point, 1 screw pulls the material into the meshing gap, and the other screw pushes the material out of the gap, resulting in material from 1 screw turns to the other screw and advances in a “∞” shape. Since the gap of the meshing zone is small, the speed of the meshing screw and the groove are opposite in direction, so that the cutting speed is high, and the self-cleaning effect is good, that is, any accumulated material adhering to the screw can be scraped off, thereby The residence time of the material is very short, so the twin screw extruder is mainly used for compounding and pelletizing .

Polytek also have 2 stage extruder for PVC compound and high filler masterbatch extrusion.

Technical Data of PTH Extruder
 

Model Torque/Shaft(Nm) Screw Diameter(mm) Max.Screw Speed(RPM) Motor Power(Kw) Capacity(Kg)
PTH-20 40 22 600 5.5 15
PTH-25 110 25 900 22 90
PTH-35 320 36 900 75 280
PTH-50 890 51 900 200 800
PTH-65 1690 62 900 355 1400
PTH-75 2590 71 900 550 2200
PTH-96 5690 94 600 710 4000
PTH-135 7160 132 400 600 3500
PTH-165 14300 165 400 1200 5000

Construction :

The Applications of Co-rotating Twin Screw Extruder

1.Glass fiber reinforced, fuel barrier palletizing (For example PA6, PA66, PET, PBT, PP, and PC reinforced flame retardant)
2.Highly filled material granulation (For example PE, PP filled with 75%CaCo)
3.Granulation of heat-sensitive materials (For example PVC, XLPE cable material)
4.Intense color masterbatch (For example filled with 50% color powder)
5.Antistatic masterbatches, alloys, coloring, low-fill co-mingling granulation
6.Cable material granulation (For example sheathing material and insulation material)
7.XLPE pipe material granulation (For example masterbatches for hot water crosslinking)
8.Thermoset plastic compounding and extrusion (For example phenolic resin, epoxy resin, and powder coating)
9.Hot melt adhesive, PU reactive extrusion palletizing (For example EVA hot melt adhesive and polyurethane)
10.K resin, SBS de-volatile granulation
 

Spare parts and service, we are not only selling machine, but also our knowledge and service

Owe to rich theoretical knowledge and experience in compounding fifield, we can offer best solution to meet customer’s requirement, not only for local extruders. We can also provide standard parts of Coperion, Berstoff, JSW, Toshibar, Steer etc.

About Polytek
 

POLYTEK Intelligent Equipement Co., Ltd. is a committed in plastic extrusion and recycling technology R & D, to provide for customers compounding/plastic pipe/profile/sheet/board extrusion & waste plastic washing recycling machines, which will meet requirement of ISO 9001 and CE. With many patent technologies, we can provide customized solution for all kinds requirement, which will be stable, best performance, and competitive price .We have 3000m2 plant and over 30 employs, including a strong team of technical design and after sale service, which will insure the quick action to customer’s requirement.

Certification For PTH Extruders

More Equipment for various polymer compound

Air cooling conveyor Belt

twin screw extruder

Two stage extruder

Purchasing from CZPT is only the beginning of our relationship. We are committed to the success of our customers

and we support you and your equipment throughout the life of your investment. We provide expertise with preventative

maintenance plans, health and wellness checks, and training services so that you can focus on what you do best: sell your product.

plastic gearbox

Advantages of Plastic Gearboxes in Terms of Weight and Efficiency

Plastic gearboxes offer several significant advantages in terms of weight and efficiency, making them an attractive choice for various applications:

  • Lightweight Construction: Plastic gearboxes are inherently lighter than their metal counterparts. The use of lightweight materials reduces the overall weight of the machinery or equipment, leading to easier handling, reduced energy consumption, and improved portability.
  • Efficient Power Transmission: Plastic gearboxes are designed to ensure efficient power transmission with minimal energy losses. Their low friction characteristics and precise engineering contribute to higher efficiency, resulting in optimized performance and reduced energy consumption.
  • Reduced Inertia: The lightweight nature of plastic gearboxes leads to lower inertia, allowing for quicker acceleration, deceleration, and directional changes. This is particularly beneficial in applications requiring rapid and precise movements.
  • Low Lubrication Requirements: Plastic gearboxes often require less lubrication compared to metal gearboxes. This not only reduces maintenance efforts but also minimizes the risk of oil leakage or contamination in sensitive environments.
  • Noise Reduction: Plastic gearboxes’ inherent damping properties contribute to quieter operation. The reduction in noise levels enhances user comfort and minimizes sound pollution in various settings.

The combination of lightweight construction, efficient power transmission, reduced inertia, low lubrication requirements, and noise reduction makes plastic gearboxes an excellent choice for applications where weight savings, energy efficiency, and smooth operation are essential.

After-sales Service: 24 Hours on Call
Warranty: 12 Months
Type: Twin Screw Extruder for Compouding
Plastic Processed: PP PE Pet PC ABS TPR TPE TPU TPV PVC
Product Type: Granulating Extruder
Feeding Mode: Multiple Feed

plastic gearbox

Types of Plastics Commonly Used in Manufacturing Plastic Gearboxes

Several types of plastics are commonly used in the manufacturing of plastic gearboxes, each offering specific properties and advantages:

  • Polyamide (Nylon): Nylon is a popular choice due to its excellent wear resistance, low friction, and good impact strength. It can handle moderate loads and is suitable for various applications.
  • Polyoxymethylene (Acetal): Acetal provides high stiffness, low friction, and good dimensional stability. It is often used for small gears and low-load applications.
  • Polyethylene (PE): PE offers low friction, good impact strength, and chemical resistance. It’s suitable for applications with light loads and low speeds.
  • Polycarbonate (PC): PC provides high impact resistance and transparency. It’s used in applications requiring good visibility and moderate load-bearing capacity.
  • Polyphenylene Sulfide (PPS): PPS offers high temperature resistance and chemical resistance. It’s suitable for applications in demanding environments.
  • Polyetheretherketone (PEEK): PEEK is a high-performance plastic with excellent temperature and chemical resistance. It’s used in high-temperature and harsh environments.

The choice of plastic depends on the specific requirements of the application,plastic gearbox

Ensuring Durability and Strength of Plastic Gearboxes

Manufacturers employ several strategies to ensure the durability and strength of plastic gearboxes:

  • Material Selection: Choosing the appropriate plastic material with the right mechanical properties for the specific application, considering factors like load, speed, temperature, and environment.
  • Engineering Design: Designing gear teeth profiles, dimensions, and housing structures that distribute loads evenly and minimize stress concentrations.
  • Reinforcement: Incorporating additives or reinforcements such as glass fibers, carbon fibers, or minerals to enhance the strength and rigidity of the plastic material.
  • Precision Manufacturing: Utilizing advanced manufacturing techniques, such as injection molding or precision machining, to produce accurate and consistent gear components.
  • Tolerances and Clearances: Ensuring proper tolerances and clearances between gear teeth to reduce friction and prevent premature wear.
  • Testing and Quality Control: Conducting rigorous testing, including load testing, wear testing, and environmental testing, to verify the gearbox’s performance and durability.

By combining these approaches, manufacturers can create plastic gearboxes that meet the required durability and strength standards for various applications.

including load, speed, temperature, and environmental factors.

China Standard High Torque Gear Box of Double Screw Extruder   with high quality China Standard High Torque Gear Box of Double Screw Extruder   with high quality
editor by CX 2023-08-31