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Extruder gearbox: the core power of plastic processing

2025-05-13

In the plastic extrusion production line, the extruder gearbox plays a vital role. This precision transmission device located between the motor and the screw is responsible for efficiently converting power into stable extrusion torque, and can be called the "heart" of the entire extrusion system.

extruder gearbox

Why is the extruder gearbox so critical?


The core lies in the special working conditions it has to deal with: it needs to operate continuously for 24 hours, withstand the strong reaction force of the screw, and maintain the absolute stability of the output speed. High-quality gearboxes use hardened gears and heavy-duty bearings, and the transmission efficiency can reach more than 98%. The unique forced lubrication system ensures reliable operation in high temperature environments.


Three major technical highlights of modern extruder gearboxes:

1. Modular design enables free combination of speed ratios

2. Integrated thrust bearings withstand axial loads

3. Intelligent temperature control system extends service life


From PVC pipes to plastic films, different extrusion processes require gearboxes with specific parameters. With the rise of high-torque direct drive technology, the new generation of gearboxes is moving towards a more compact and efficient direction, continuously promoting technological progress in the plastic processing industry.





 Wenzhou Hemu Mechanical Equipment Co., Ltd. is a product research and development, manufacturing, sales and service in one of the technology-oriented enterprises. The company is located in Pingyang County, Wenzhou, Zhejiang, the company's technology research and development center employs a number of senior transmission machinery design engineers. Visit our website at https://www.hemureducer.com/ to learn more about our products. For inquiries, you can reach us at info@hemureducer.com.




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