What are the causes of motor vibration?

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What are the causes of motor vibration?..

The possible causes of motor vibration are...

1) Improper fixing of the base boalts
2) Loose tighting of the bearing seating areas
3) Bearing problem
4) loose coupling between load and motor
5) rotor dynamic balancing problem
6) Cooling fan balancing problem
7) Bearing is skidding inside either inner race or outer
race in end cover.

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What are the causes of motor vibration?..

Answer / srinivasarao007

I for gotted alignment of the motor

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What are the causes of motor vibration?..

Answer / bhupatmeer

Improper alignment in between motor and pump shaft.

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