Reply to "HIGH PUMP & MOTOR VIBRATION"

tarunroyMember

Dear Arindam
Your motor no load condition vibration is high. You check the spectrum i,e wht are the peaks are there. Then you do one thing take the coast down of motor at decoupled condition for any electrical problem. If electrical & resonance problem is not there then you check the Horizonta to Vertical vibration phase angle it should be 90 +/- 30 at decoupled condition. Check for any soft footing by putting a dial gauge on each base bolt of the motor it should not be more than 0.04mm. Horizontal to Vertical phase difference is 90 +/- 30 then you go for balancing at decoupled condition. If possible send me the spectrum & phase angle of Motor & P/P DE , NDE brg.

Tarun
tarundcm@yahoo.co.in

9/23/119:27 AM

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