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How to solve the noise of vibration motor

        Vibration motor In the process of application, if there is a noise along with it, it is proved that which part is wrong. We will distinguish it according to various noises as follows:

1. Bearing is lack of grease: clean the bearing, add proper grease, and vibrate the motor to make it overflow 1 / 2 ~ 1 / 3 of the net volume of the bearing chamber.

2. Wrong connection of sub winding: check the wiring diagram, heat the end of the vibration motor and connect it from the beginning according to the accurate connection method (including binding, insulation disposal and painting).

3. Rotor friction insulation paper or slot wedge: cut insulation paper or repair slot wedge.

4. Fan touching the wind cover or air duct blockage: repair the fan air cover to make its geometric size accurate, and arrange the ventilation duct.
 Vibration motor
5. Bearing wear or defects: repair or replace the bearing.

6. Vibration motor voltage is too high or three-phase voltage imbalance: measure the power supply voltage, and check the cause of high or unbalanced voltage.

7. When rewinding is changed to rewinding, the slot cooperation is improper: the stator and rotor slot cooperation should be checked.

8. Vibration motor stator, rotor dead center loose: check the cause of oscillation, press dead center from the head to stop handling.

9. Winding defect (e.g. short circuit): heating the open circuit to the temperature allowed by the insulation class. Soften the paint, then pick up the broken wire, and use the same standard wire to repair some broken wires. After welding, wrap the insulation, then paint and dry.

The above is to solve the noise problem in the operation of vibration motor, I believe it will help you.
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