China OEM Single Screw Plastic Extruder Zlyj375 Horizontal Models CZPT Series Extruder Gearbox cvt gearbox

Product Description

Single Screw Parallel Shaft Reducer for Plastic Extruder (JHM/ ZLYJ/ ZSYJ)

PTT extruder gearboxes have 2 popular series for 2 types screw extruders:
ZLYJ/ZSYJ Series Extruder Gear Units for Single Screw Extruders
SZ Series Extruder Gear Units for Conical Twin Screw Extruders
For parameters of SZ series gearbox and other extruder gearboxes applications, please consult our sales representatives and engineers.
Components:
1. Housing: Cast Iron or Steel Plate Welding
2. Gear Set: Hardened Helical Gear Pairs, Carburizing, Quenching, Grinding, Gear Hardness HRC54-62
3. Input Configurations:
Keyed CHINAMFG Shaft Input
4. Output Configurations:
Hollow Shaft Output
Models:
ZLYJ112~ZLYJ630
ZSYJ450~ZSYJ630
Features:
1. High strength alloy steel gears and shafts, sturdy and wearable
2. Hollow output shaft integrated with strong thrust bearings to withstand axial force of the screw
3. Large load capacity, superior performance for screw extruders applications
4. High efficiency, high reliability, long service life, low noise
5. Optional international brands of bearings and oil seals (ZheJiang CHINAMFG Oil Seals)

Applications:
Plastic Extruders
Rubber Extruders
Single Screw Extruders (ZLYJ/ZSYJ Series Extruder Gearbox)
Conical Twin Screw Extruders (SZ Series Extruder Gearbox)
Installation:
Horizontal Mounted
Vertical Mounted
Lubrication:
Oil Dip and Splash Lubrication
Forced Lubrication (Additional Oil Pump)
Cooling:
Natural Cooling
Auxiliary Cooling Devices

Company Introduction

Get the right gearbox for your equipment.

PTT knows gearbox. As the leading industry gearbox manufacturer, PSS offers the best power transmission solutions to perfectly meet your specific industry application. On gearbox, CHINAMFG has a lot more to share.

We always satisfy all industries with our gearbox

PTT strives for 100% satisfaction from customers of all industries. We welcome challenges to offer tailored design or special solution to satisfy customers’ Special needs on applications. We like to make impossibility become possibility.

Key features

Turbine gearboxes and planetary gearboxes are our advantages. Most companies can only manufacture Helical Bevel gearboxes, and we have a strong design team that has now designed turbine gearboxes up to 70, 000 rpm.

Diversity

PTT offers a vast diversity of gear reducer, geared motor and gearbox. No doubt you are able to find what you need with PTT.

Reliability

PTT is a trustworthy manufacturer you can rely on, no matter in terms of quality, delivery, pricing, service, etc. It becomes our name tag during our history of servicing our customers.

Capability

PTT is able to manufacture 200, 000 sets of gear reducers yearly and keeps investing on development of new series product.

We have a large list of our satisfied clients

Among the large list of our satisfied clients, there are many trend-setting top brands in various industries.

Mian products

Helical Gear Units

Bevel-Helical Gear Units

ZYJ Series Gear Units

DY Series Gear Units

P Planetary Gear Units

MLX Series Mill Gear Units

High Speed Gear Units

Non-stand Gear Units
RFQ
Q:Are you trading company or manufacturer?
A: We are manufacturer with over 20 years’ experience.

Q: How long is your delivery time?
A: Generally it is within 10 days if the goods are in stock, for goods produced as per order, it is within 35 days after confirmation of order.

Q: How long should I wait for the feedback after I send the enquiry?
A: Normally within 12 hours.

Q: What information should I give you to confirm the product?
A: Model/Size, Transmission Ratio, Speed, Shaft directions & Order quantity etc.

Q: Hong long is your product warranty?
A: We offer 12 months warranty from departure date of the goods.

Q: What is your payment terms? T/T 100% in advance for amount less than USD10000.-, 30% T/T in advance , balance before shipment for amount above USD10000.

If you have any other questions, please feel free to contact us below:

HOW TO CONTACT US?
Send your Inquiry Details in the Below, click “Send” Now!

Shipping Cost:

Estimated freight per unit.



To be negotiated
Application: Motor, Machinery, Agricultural Machinery, Plastic and Rubber Extrusion
Function: Change Drive Torque, Speed Changing, Speed Reduction
Layout: Helical
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

Contribution of Plastic Gearboxes to Reducing Wear and Tear on Machinery

Plastic gearboxes play a crucial role in minimizing wear and tear on machinery by offering the following benefits:

  • Self-Lubrication: Many plastic materials used in gearboxes have inherent self-lubricating properties. This reduces the need for frequent lubrication, prevents dry friction, and minimizes the chances of component wear.
  • Low Friction and Low Wear: Plastic gearboxes often exhibit lower friction coefficients compared to metal gearboxes. This characteristic results in reduced abrasive wear between gear teeth and other moving parts, prolonging the lifespan of the gearbox and the machinery it operates.
  • Resistance to Corrosion: Plastics are inherently resistant to corrosion, rust, and oxidation. Plastic gearboxes are well-suited for applications in humid, wet, or corrosive environments, where metal components might be susceptible to deterioration.
  • Shock Absorption: Plastic’s inherent ability to dampen vibrations and shocks helps absorb impacts and sudden loads, preventing excessive stress on gear teeth and other components. This feature is particularly beneficial in applications with frequent start-stop cycles or varying loads.
  • No Metal-to-Metal Contact: Plastic gearboxes eliminate the need for metal-to-metal contact between gear teeth. This reduces the likelihood of galling and pitting, common issues in metal gearboxes that can lead to accelerated wear.
  • Reduced Noise and Vibrations: The damping properties of plastic contribute to quieter operation and reduced vibrations, which can further reduce the strain on components and extend their lifespan.

By mitigating factors that contribute to wear and tear, plastic gearboxes help maintain machinery in better condition, leading to increased reliability, longer service life, and reduced maintenance requirements.

plastic gearbox

Potential Limitations and Drawbacks of Plastic Gearboxes

While plastic gearboxes offer various advantages, they also come with certain limitations and drawbacks that should be carefully considered:

  • Lower Load Capacity: Plastic materials generally have lower strength and load-carrying capacities compared to metals. This can limit their use in high-torque or heavy-duty applications.
  • Reduced Durability: Plastic gearboxes may exhibit reduced durability and wear resistance over time, especially in demanding and abrasive environments.
  • Temperature Sensitivity: Many plastic materials have temperature limitations and can deform or lose mechanical properties under high temperatures, affecting gearbox performance.
  • Dimensional Stability: Plastic gearboxes may experience greater dimensional changes due to temperature fluctuations, impacting precision and consistency.
  • Compatibility: Plastic gears may not be compatible with certain lubricants or chemicals, limiting their use in specific applications.
  • Noise and Vibration: Plastic gears can produce more noise and vibration compared to their metal counterparts, affecting overall system performance and comfort.

It’s essential to assess the specific requirements of the application and carefully weigh the benefits against the limitations to determine if a plastic gearbox is a suitable choice.

China OEM Single Screw Plastic Extruder Zlyj375 Horizontal Models CZPT Series Extruder Gearbox   cvt gearbox	China OEM Single Screw Plastic Extruder Zlyj375 Horizontal Models CZPT Series Extruder Gearbox   cvt gearbox
editor by CX 2023-10-08