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  1. zbiring

    High Axial Vibration at Permanent Magnetic Generator Ball Bearing

    axis represent date of measurement from 1(newest date of measurement) to 11 (older date of measurement) thanks
  2. zbiring

    High Axial Vibration at Permanent Magnetic Generator Ball Bearing

    dear greglocock, I dont have the software license so I make an excel plot. any suggestion greg..? Thank Youhttp://files.engineering.com/getfile.aspx?folder=b2aa4e85-1c46-4daa-bc32-ba760a9cf85d&file=PMG_Trending_overall.JPG
  3. zbiring

    High Axial Vibration at Permanent Magnetic Generator Ball Bearing

    and the PMG is supported by 2 radial ball bearing. zbiring
  4. zbiring

    High Axial Vibration at Permanent Magnetic Generator Ball Bearing

    This peak pass the alarm limit just several days ago. Can it be a resonance?and why it just happen now? several days ago overall trending was about 5 mm/s (p-p) Thank You in advancehttp://files.engineering.com/getfile.aspx?folder=8614be31-1100-4174-8c31-629abc06ea38&file=Axial_Direction.JPG
  5. zbiring

    High Axial Vibration at Permanent Magnetic Generator Ball Bearing

    Hi guyz,.. I have problem with pemanent magnetic generator. Our sistem is turbine (5500RPM)- Gearbox(output-1500RPM)-Generator-Exciter-Permanent Magnetic Generator. Axial vibration at PMG is about 3-5 times radial direction (dominant at 1XRPM high speed gearbox=5500), PMG rotate at 1500RPM...

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