Small motors used grease
Bearings on both sides of the bearing cap, on the one hand protect the bearings
The main noise sources of the motor
The noise is a combination of various frequencies and different intensity of the noise
Definition and type of motor work system
The definition of the work system: the motor is subjected to a series of load conditions
The reason of electromagnetic
The electromagnetic noise is one of the main noise source of motor, in the multipolar motor or ventilation noise lower motor
An important index to measure the performance of motor
starting current should be as small as possible, because of the large starting current is unfavorable
