DC brushless gear motor is a kind of synchronous motor, the speed of motor rotor, affected by the speed of motor stator rotating magnetic field and the number of rotor poles. It has the advantages of traditional DC motor without carbon brush and slip ring structure, which can realize stepless speed regulation, relatively wide speed range and strong overload capacity; it has the advantages of high reliability, good stability, strong adaptability and simple maintenance. But occasionally there are some minor problems, such as vibration. In fact, the vibration of the motor is a relatively common problem, and in dealing with this problem, we must deal with it according to different situations.

DC brushless gear motor

1. Uneven air gap

Due to uneven air gap removal, DC brushless geared motor will produce one-way magnetic force in operation, and its effect is equivalent to the increase of motor shaft deflection. Therefore, to ensure that the air gap removal average is necessary to avoid vibration.

2. Rotor coil damage

As the rotor coil of DC brushless geared motor is damaged, the rotor radial force is not uniform when the motor is running, similar to the unbalance of the rotor, and the rotor coil damage can be measured with electrical instruments.

3.Electromagnetic force

The electromagnetic force is mainly caused by the longitudinal vibration of the magnetic flux, usually the tooth frequency, especially when the stator is also in the open tooth state, the flux pulse vibration increases, it is more likely to form alternating magnetic pull.

DC brushless gear motor

The above is the main cause of vibration of DC brushless geared motor, of course, there are other factors, I hope that when you encounter similar problems to help you!

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