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Dongyuan vibration motor announcement:
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What's wrong with the noise in vibration motor operation?

    Vibration motor We use the following method to determine which part of the noise is faulty
 Vibration motor

 
1. In case of heavy rewinding, the slot cooperation is improper: the stator and rotor slot cooperation should be checked.

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

 
3. Bearing wear or defects: repair or replace the bearing.
 
4. Vibration motor stator, rotor dead center loose: check the cause of oscillation, press dead center from the head to stop handling.

5. Vibration motor voltage is too high or three e-phase voltage is unbalanced: measure the power supply voltage and check the cause of high or unbalanced voltage.
 Vibration motor
6. Wrong connection of stator 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).

 
7. 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.

8. 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.

9. 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.
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