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How to solve the problem of broken shaft when the servo planetary reducer output is too small?

2019-11-21 11:08:00

Except that the shaft of the reducer is broken due to the poor concentricity of the output end of the servo planetary reducer , if the output shaft of the reducer is broken, there are several reasons.
First of all, the wrong selection results in insufficient output of the servo planetary reducer. Some users mistakenly think that as long as the rated output torque of the selected reducer meets the working requirements, in fact, it is not true. First, the rated output torque of the motor is multiplied by the reduction ratio. The rated output torque of the similar reducer provided in the sample, the second is to also consider the overload capacity of its drive motor and the maximum working torque required in practice. Theoretically, the user needs the maximum working torque. Must be less than twice the rated output torque of the reducer.
In particular, some applications must strictly abide by this criterion. This is not only for the protection of the servo planetary reducer, but also to prevent the output shaft of the reducer from being twisted. This is mainly because if there is a problem with the installation of the equipment, the output shaft of the reducer and its load are stuck. At this time, the overload capacity of the drive motor will continue to increase its output, which may cause the output bearings of the reducer to suffer. When the force exceeds 2 times of its rated output torque, the output shaft of the reducer is twisted.
Secondly, in the process of acceleration and deceleration, if the instantaneous torque multiplied by the output shaft of the servo planetary reducer exceeds 2 times its rated output torque, and this acceleration and deceleration is too frequent, then the reducer will eventually Broken shaft.

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