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Recent content by nan21

  1. nan21

    High vibration during motor solo run

    This motor is new & we are running first time on site. Please find attached offline spectrum taken on motor NDE horizontal position. Coupling half restrained with key way. Motor DE side holding down bolts loosed...
  2. nan21

    High vibration during motor solo run

    Motor Details : 1200 kW @ 3000 rpm with sleeve bearing (proximity probes mounted on bearing) Observation : Offline Casing vibration monitoring system: 1) Observed overall vibration readings are on higher side 4.4 mm/sec peak. 2) Dominant vibration observed at 2X CPM (2.80 mm/sec peak) &...
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