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    sanjayudave's Avatar
    sanjayudave Posts: 1, Reputation: 1
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    #1

    Jul 9, 2009, 04:26 AM
    How to Balance a centrifugal fan?
    I'm handling power plant maintenance and want to know about the technics of fan balancing.(with formulas)
    RodButler's Avatar
    RodButler Posts: 11, Reputation: 1
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    #2

    Oct 20, 2009, 08:51 AM

    You need a balance meter.
    mwengle's Avatar
    mwengle Posts: 3, Reputation: 1
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    #3

    Oct 25, 2009, 06:11 PM

    You need polar paper, ruler, vibration analyzer with phase measurement. Plot vibration mag. And phase on paper. Next you would add a trial weight that causes an imbalance force approx 10% of weight of rotor. Plot he new vib mag and phase. Now calculate the change you need to make new vib magnitude equal to original mag. And 180 opposite it.
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