VIBRATION ANALYSIS

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Pinpoint's vibration analysis services provide monitoring of motors, pumps, and other reciprocating and rotating equipment. Some common problems include:

  • shaft misalignment

  • pump cavitation

  • rotating imbalance

  • blade pass frequencies

  • gear mesh frequencies

  • natural frequency resonance

  • cracked/loose rotor bar issues

Motor Pump
Motor Pump

Typical motor and pump system. Damaged bearing due to electrical fluting was found by using vibration analysis.

Fluting
Fluting

Bearing from motor, damaged from electrical fluting.

Vertical Mtr/Pmp
Vertical Mtr/Pmp
corrosion and misalignment
corrosion and misalignment

Damaged bearing: Corrosion and misalignment.

VA Spectrum
VA Spectrum
8.507g RMS spike
8.507g RMS spike

Vibration Analysis spectrum indicates 8.507g RMS spike at outer race.

AHU Fan
AHU Fan

Large Air Handler Unit motor/fan assembly.

Interface Box
Interface Box

Vibration Analysis interface box.

2.406g RMS spike
2.406g RMS spike

2.406g RMS spike and indications of bearing looseness.