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① Aiming at the problems of serious tooth tip collapse, low material utilization, low forming accuracy and low die service

Taking the spur cylindrical gear for truck wheel reducer as the research object, a new compound forming process scheme of

In order to ensure the smooth implementation of cold extrusion production and processing, in addition to having a pair of

In the 1950s, gears were mainly obtained by cutting, and the output was very low. At that time, German Burwell

With its convenient operability and accuracy of simulation results, finite element software helps designers greatly shorten the R & D

For a long time, researchers and scholars all over the world have made unremitting efforts on the deformation law analysis,

Improving the service life of cold extrusion die is the key point of precision forming of large modulus spur gear.

By optimizing the cold extrusion process parameters of spur gears, spur gears with high forming quality can be obtained, but

Aiming at the problems of large end machining allowance, large tooth tip collapse angle and large forming load in the

With the in-depth research on the forming process of spur gears and the continuous development of market demand, the modern

Improving the service life of cold extrusion die is the key point of precision forming of large modulus spur gear.

The error of spur gear mainly includes pitch error and tooth profile error. The pitch error and tooth profile error

As an important transmission part in automobile and machinery industry, the efficiency of traditional machining can not meet the high-speed

The cold extrusion forming of spur gear refers to the plastic deformation of the metal blank placed in the die

The cold precision forging of spur gear is developed on the basis of cold forging. There is no need to