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  1. peter53

    Ultrasound Inspections of Bearings

    Is there anyone who is exprienced in diagnosing problems on motor bearings using ultrasound as i have a few issues i'd like to discuss.
  2. peter53

    Electrical discharge to earth of motor bearings

    I'm currently undertaking ultrasound inspections of some 6600 volt soft start motors and appear to be getting indications of fluting whereby i might be getting a discharge to earth through the motor bearings. Iknow VFD controlled motors can cause an induced voltage on the motor shaft but not...

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