What is Vibration Analysis?

April 01 2022 0Comment
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What is Vibration Analysis?

Vibration analysis is a key component of a condition monitoring programme and is most commonly used to detect faults, such as unbalance, misalignment, rolling element bearing faults and resonance conditions, in rotating machines (fans, motors, pumps and gearboxes etc). Vibration data can be collected using handheld data collectors, permanently fixed online monitoring systems for real-time monitoring or via wireless vibration and temperature sensors.

What are Vibration Analysis techniques?

Vibration Analysis techniques are the interpretation of acquired vibration analysis data, to determine the cause of specific machinery defects.

Applications of Vibration Analysis capabilities

Below is a list of the most popular tests and failures that can be carried out and identified using various vibration analysis techniques:

TestFailures
Bearing FailureWear and lubrication faults
Phase AnalysisUnbalance, bent shafts and cocked bearings
Time WaveformsWorn/damaged gear teeth
ResonanceBump tests
Critical SpeedsRun up, coast down
MisalignmentDynamic (i.e. with machine running)
LoosenessStructural, internal and external
Drive BeltsWear and miaslignment
GearboxesGear and bearing faults
ElectricalAC and DC motors and electrical supply faults
GeneratorShorted rotor turns (thermal growth)

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