1. ZLYJ series reduction gearbox is a transmission part that possesses high precision

hard gear surface and thrust  block designed for plastic screw extruder. 

2.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.                                     

3.The gear is processes by carburization, quenching and tooth grinding process. 

4.The precision of gear is grade 6 specified in GB1009588.

5.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.

6.The complete machine features compact, high in bearing capacity, stable in 

transmission, low noise, high efficiency, etc.

• The input rotation of prime mover shall be ≤1500rpm
• The peripheral speed of gear drive shall be≤20m/s
• The working ambient temperature shall be within -40°C~45°C. Per heat the lubricating oil to above 0°C when the ambient temperature is below 0°C.
• Rotation is available both forwards and backwards.

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