Switched reluctance motor bearing is too tight, how to solve

Sometimes it is found that the switched reluctance motor is running very smoothly, and it may even get stuck. This situation is most likely caused by the over-tightening of the bearing, which causes the motor to fail to operate normally and smoothly. So in the face of this situation, how to solve it quickly?

 

1. The repairman has insufficient knowledge of the proper reduction of the matching tolerance of the switched reluctance motor and the maximum interference to the bearing to reduce noise.

 

2. The staff is afraid of the vehicle waste end cover bearing chamber. When the motor is repaired, the bearing outer ring and the end cover should be properly fitted with tolerances. The lower limit of the tolerance range is adopted, and the upper limit of the bearing is not allowed. This makes the diameter of the bearing chamber smaller and increases the interference with the outer ring of the bearing.

 

3. Since the switched reluctance motor is too tight, the bearing is heated, so that the grease is squeezed out, the bearing runway is partially free of lubricating oil, and the bearing is overheated and causes bearing failure.

 

Therefore, when the bearing of the switched reluctance motor is found to be too tight, it can be quickly solved by the above three methods. At the same time, after installing the new bearing, it is necessary to do the lubrication work to avoid the parts being unable to operate flexibly due to insufficient lubrication.