Transcription of Vibration Case Histories
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9/19/20061 Vibration case HistoriesVibration case HistoriesBarry T. CeaseMeadWestvaco9/19/20062 IntroductionIntroduction case History#1 ExcessiveVibration Of Motor case History#2 Strange Motor &Gearbox Vibration case History#3 Repeat FanBearing Failures case History#4 Pump BearingCage Failure9/19/20063 case History#1, case History#1,Excessive Vibration Of MotorExcessive Vibration Of Motor EQUIPMENT: Nash 9000 seriesvacuum pump driven by a singlereduction, parallel gearbox and a700 HP synchronous motor.
9/19/2006 5 CH#1 - Problem Excessive & noisy vibration at motor. This problem could be heard & felt clearly at the motor. It sounded like something was rubbing and/or loose.
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