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Reasons for High Vibration in Centrifugal Fans

Reasons for High Vibration in Centrifugal Fans

19 3 月, 2026

Reasons for High Vibration in Centrifugal Fans

Reasons for High Vibration in Centrifugal Fans:

New Fan Vibration Causes:

  • Poor rotor balancing

  • Insufficient bracket rigidity

  • Uneven base leading to instability

Old Fan Vibration Causes:

  • Corrosion on the rotor

  • Rotor wear

  • Rotor accumulation of dust

  • Rotor thermal deformation

  • Damaged bearings

  • Coupling issues

  • Motor rotor balance and motor bearings should also be considered

High Horizontal Vibration: Typically due to rotor issues
High Vertical Vibration: Usually due to foundation problems
High Axial Vibration: Generally caused by bearing issues

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