How to improve the gear quality of gear reducer

Gear reducers are used more and more widely, and have a pivotal position in the textile, manufacturing, processing, transportation, construction and other industries. Gear reducers usually play a role of transmission and reduction for these devices.

Generally speaking, the gear is the most important part of the gear reducer. The overall operation of the gear reducer may be unreliable. A large part depends on the processing accuracy and quality of the gear. How can the gear quality of the gear reducer be improved?

1.Improve the gear machining accuracy of gear reducer
Gear reducer's shaft tooth accuracy is mainly related to motion accuracy, smoothness accuracy and contact accuracy. In gear hobbing of gear reducer, the common normal length and ring gear diameter jump are controlled to ensure the motion accuracy, the tooth profile error and the base section deviation are controlled to ensure the work stability accuracy, and the tooth direction error is used to ensure the contact accuracy.

At present, the gear processing method of the gear reducer is hobbing and shaving. The requirements are relatively strict. Only by exerting this level of technology can high-precision gears be manufactured, and the shaving accuracy can be calibrated to a large extent. Hobbing accuracy, so some error items in hobbing must be strictly controlled in order to produce high-quality gears.

2.Reduce the radial run-out error of the ring gear of the gear reducer
The radial runout of the ring gear of a gear reducer refers to the maximum amount of change of the probe relative to the gear tooth axis within the range of one revolution of the gear.

That is, the eccentricity of the gear ring gear of the gear reducer with respect to the shaft centerline. This eccentricity is due to the fact that when the parts of the gear reducer are installed, the two center holes of the parts do not overlap with the rotation center of the table or the deviation is too large. Caused.

Or because the top of the gear reducer has poor manufacturing and the eccentricity caused by poor contact of the positioning surface, so reducing the ring gear radial runout error of the gear reducer can effectively improve the quality and accuracy of the gear.

In short, if the gear quality and accuracy of the gear reducer is not enough, it will not only accelerate its own wear, but also greatly reduce the service life, and it is not conducive to the stable operation of the gear reducer. Then analyze and solve the gear reducer from the above two points. The problem of gear quality and accuracy is very conducive to strengthening the reduction effect and transmission force of the gear reducer, and it can also effectively reduce the occurrence of failures.

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