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.

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Fluting
Fluting

Bearing from motor, damaged from electrical fluting.

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

Damaged bearing: Corrosion and misalignment.

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

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

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AHU Fan
AHU Fan

Large Air Handler Unit motor/fan assembly.

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Interface Box
Interface Box

Vibration Analysis interface box.

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2.406g RMS spike
2.406g RMS spike

2.406g RMS spike and indications of bearing looseness.

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