Extruder Special Gear Speed Reducer


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Extruder Special Gear Speed Reducer: Enhancing Efficiency and Performance

The Extruder Special Gear Speed Reducer is a vital component used in a wide range of applications, including motor, machinery, agricultural machinery, plastic, and rubber extrusion. Its primary function is to change drive torque, speed, and provide speed reduction. With a helical layout, this gear reducer offers superior performance and durability.

Customization options are available, allowing you to tailor the gear speed reducer to meet your specific requirements. Whether you have unique specifications or a specialized request, our team will work with you to provide a customized solution.

Product Description:

The Single Screw Parallel Shaft Reducer for Plastic Extruder (JHM/ZLYJ/ZSYJ) is one of our most popular gearboxes for single screw extruders. It is designed to meet the demands of various extrusion applications.


– Housing: Made with cast iron or steel plate welding for strength and durability.
– Gear Set: Hardened helical gear pairs, carburizing, quenching, and grinding, with a gear hardness of HRC54-62.
– Input Configurations: Keyed solid shaft input.
– Output Configurations: Hollow shaft output.


– ZLYJ112~ZLYJ630
– ZSYJ450~ZSYJ630


1. High strength alloy steel gears and shafts, ensuring sturdiness and wear resistance.
2. Hollow output shaft integrated with strong thrust bearings to withstand the axial force of the screw.
3. Large load capacity, delivering superior performance in screw extruder applications.
4. High efficiency, reliability, long service life, and low noise operation.
5. Optional international brands of bearings and oil seals, such as Taiwan NAK Oil Seals.


– Plastic Extruders
– Rubber Extruders
– Single Screw Extruders (ZLYJ/ZSYJ Series Extruder Gearbox)
– Conical Twin Screw Extruders (SZ Series Extruder Gearbox)


– Horizontal Mounted
– Vertical Mounted


– Oil Dip and Splash Lubrication
– Forced Lubrication with additional oil pump


– Natural Cooling
– Auxiliary Cooling Devices

For more information on the SZ series gearbox and other extruder gearboxes applications, please consult our sales representatives and engineers.

Company Introduction:

Ever-Power Group specializes in providing high-quality plastic gears used in various industries, such as Plastic Spur Gear, Plastic Helical Gear, Plastic Worm Gear, Plastic Bevel Gear, Plastic Pinion Gear, Plastic Nylon Gear, Plastic Transmission Gear, Plastic Sprocket Gear, Plastic Wheel Gear, Plastic Injection Gear, Plastic Ring Gear, Plastic Rack Gear, and more. With a focus on delivering exceptional products, competitive pricing, and outstanding customer service, we welcome customers to contact us for customized solutions based on their drawings or samples.


1. Are you a trading company or manufacturer?
We are a manufacturer with over 20 years of experience.

2. What is the delivery time?
Generally, if the goods are in stock, it takes within 10 days for delivery. If the goods are produced as per order, it takes within 35 days after confirmation of the order.

3. How long should I wait for feedback after sending an inquiry?
Normally, you can expect a response within 12 hours.

4. What information should I provide to confirm the product?
Please provide the model/size, transmission ratio, speed, shaft directions, and order quantity.

5. How long is your product warranty?
We offer a 12-month warranty from the departure date of the goods.

Please note that all the information provided above is solely for reference purposes and should be confirmed with our sales representatives for accuracy and specific requirements.