1. Excessive load
Phenomenon: The motor runs under overload for a long time, resulting in excessive current and heating of the winding.
Solution: Select the motor power reasonably to ensure that the motor runs within the rated load range; install overload protection device and cut off the power supply in time.
2. Poor heat dissipation
Phenomenon: The motor's radiator is blocked, the fan fails or the ventilation is poor, resulting in poor heat dissipation and temperature rise.
Solution: Clean the radiator regularly to ensure that the heat sink is unobstructed; check whether the fan is running normally and replace the fan if necessary; ensure that there is enough ventilation space around the motor.
3. Electrical failure
Phenomenon: The insulation of the motor is aging, the wiring is loose or short-circuited, resulting in abnormal increase in current and heating of the winding.
Solution: Check the insulation resistance regularly and repair insulation damage in time; check whether the terminal is loose to ensure that the electrical connection is firm; check whether the cable is worn or aged, and replace the cable if necessary.
4. Poor lubrication
Phenomenon: Insufficient or deteriorated bearing grease leads to increased bearing wear and temperature rise.
Solution: Check and replace grease regularly to ensure that the bearings are well lubricated; check the operating status of the bearings and replace worn bearings in time.
5. The ambient temperature is too high
Phenomenon: The operating environment temperature of the motor is too high, which makes it difficult for the motor to dissipate heat and the temperature rises.
Solution: Improve the operating environment of the motor and reduce the ambient temperature; add auxiliary cooling equipment, such as cooling fans or cooling water systems.
