Analysis of Causes of Servo Motor Failure (2)
Second, the motor broken shaft
1. Reason for failure:
1 unreasonable mechanical design leads to excessive radial load
2 load end stuck or severe transient overload
3 motor and reducer are installed differently
2. Troubleshooting:
1 Check the maximum radial load force that can be withstood in the motor sample, improve the mechanical design
2 Check the operation status of the load end, recognize the process requirements of the practice and improve it.
3 Check whether the load operation is stable, whether there is vibration, and improve the mechanical installation accuracy.
Third, the motor no-load current is unbalanced, the three-phase phase difference is large
1. Cause of failure
1 winding the first end of the winding is wrong;
2 power supply voltage is unbalanced;
3 windings have faults such as turn-to-turn short circuit and reverse coil connection.
2. Troubleshooting
1 view and correct;
2 measure the power supply voltage, try to eliminate the imbalance;
3 Eliminate winding faults.
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