Vibration Analysis: A Crucial Procedure in Avoiding Costly Equipment Failures

By Maria E. Browni


Just as condition monitoring is an important maintenance check for your machines, vibration analysis should be among the first in the checklist of important steps to maintain equipment health. Condition monitoring and vibration analysis are achieved by testing existing equipment on a regular basis to result in awareness of problems that may happen in the future, especially those that affect his assets. As they say, a stitch in time saves nine; therefore, the owner can create a plan b or even a plan c after being given proper warning. Whether the check can be performed while the plant is in operation or after hours is reliant on the chosen system for vibration analysis.

Displacement is utilized to be the sole method to perform vibration analysis; it is now considered traditional. Vibration monitoring is simply determining if the gear is causing itself to shake; tracked by an operator or transducer. There is a possibility that the vibration is happening somewhere inside; it is up to the transducer to locate the source and work with the operator to interpret the information received. Review of acoustic emission is considered by many as a method in vibration analysis. The transducer functions double time in collating the energy given off due to vibration impact and stress, then it translates the data for easy reading. The accelerometer is commonly utilized as well.

The sensor in vibration analysis is a type of crystal that generates a charge in response to stress, resulting in the tracking of the vibration. It is important that you position the sensor accurately to be able to detect vibration in the area being monitored. Sensors used in vibration analysis are described as highly dependable. There is a diverse application of the results of the test; as aid in prevention of surprising damage. Because of this, the cost associated with performing vibration analysis is repaid by the early detection and prevention of loss and damage.

On the other hand, the acoustic emission method of detecting vibration gives a longer period of alert to the upcoming damage and failure of the machine. The longer time-frame grants the owner the feeling of security and protection from losses.

Apart from vibration analysis, another system used in condition monitoring is in-service oil analysis, a process wherein a personnel tests oil sample and ensures that it is in accordance with the ISO released methods and documents. A minimum of two reliable methods for condition monitoring afford most favorable results and cross check each other's data, as well as, paint a picture of complete and smoothly running operations.




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