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  • Users: flacrkr
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  1. flacrkr

    General Resonance Advice

    I have a request for VERY basic advice/ideas about a possible resonance situation. I was asked to take initial vib. data on a calcining oven we are purchasing. While taking data I noticed fluctuating amplitudes (.2 to .65 IPS PK) on 2 of the 8 zones. The 8 fans are plug fans mounted on the side...
  2. flacrkr

    Bearing Failure/Elec Arcing

    I am seeing what I beleive to be a trend of bearing failures due to elec. arcing in some of our VFD driven motors. Does anyone have a link to some related articles so I could present a report to management to upgrade brg' types during rebuild?
  3. flacrkr

    Bearing Frequency Calculator

    I am looking for an ACCURATE calculator software supplier for bearing frequencies. I currently have The Bearing Expert from International Source Index Inc. and am finding some serious descrepencies with between it and manufacturers info. i.e. - # of rollers,dimensions, etc. Any suggestions?
  4. flacrkr

    Timewaveform 101

    Being admittedly poor in timewaveform analysis skills, I have a question concerning flattened/truncated waveforms. If waveform is "clipped" through full cycle (+ to -) is this rotor rub, data taken on overhung belt driven fan, inboard bearing vertical.If motor bearing is bad could this...
  5. flacrkr

    Modal Analysis Software

    I am looking into purchasing modal analysis software for use with industrial vibration monitoring. Anybody have suggestions,opinions, links etc. Thanks
  6. flacrkr

    C-FACE PUMP ADAPTERS

    I would like to get some input, i.e. where to get info, on c-face pump adapters and the pros and cons, have heard they are very good at reducing alignment and vibration issues.

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