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:
| Test | Failures |
| Bearing Failure | Wear and lubrication faults |
| Phase Analysis | Unbalance, bent shafts and cocked bearings |
| Time Waveforms | Worn/damaged gear teeth |
| Resonance | Bump tests |
| Critical Speeds | Run up, coast down |
| Misalignment | Dynamic (i.e. with machine running) |
| Looseness | Structural, internal and external |
| Drive Belts | Wear and miaslignment |
| Gearboxes | Gear and bearing faults |
| Electrical | AC and DC motors and electrical supply faults |
| Generator | Shorted rotor turns (thermal growth) |
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