In addition, the vibration of the motor will easily cause the water pipe of the cooler to vibrate and the welding point will vibrate. At the same time, it will cause damage to the load machinery, reduce the accuracy of the workpiece, cause fatigue of all mechanical parts subject to vibration, and loosen the anchor screws. Or cut off.
The vibration of the motor will cause abnormal wear of the carbon brushes and slip rings, and even severe brush fire will burn the collector ring insulation, and the motor will produce a lot of noise. This situation generally occurs in DC motors.
There are three main reasons for vibration: