Vibration troubleshooting

Vibration troubleshooting is the most effective tool for identifying a problem's root cause. After the cause has been positively found, this testing is further used to gain a thorough understanding of why the problem exists. Corrective action can then be engineered to eliminate the problem at hand without creating a new one.

Vibration troubleshooting is routinely applied to rotating and reciprocating equipment to assess general mechanical health. Bearing, motor, gearbox, driveline and foundation problems can be easily identified prior to becoming an operational problem.

Vibration sensors are mounted to the structure. Dynamic data are acquired to determine the machine's operational characteristics. This also identifies if resonances are affecting any of the vibration components. If resonances exist, frequency response testing and modal analysis are conducted. If resonances are not contributory, operational deflection shape analysis is performed to reveal the structure's pattern of deformation.

Vibration troubleshooting, when coupled with strain gage testing, is an integral part of any failure investigation involving fatigue damage.

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