Condition Monitoring: An Overview

Condition Monitoring is the measuring of specific equipment parameters, noting signs of any significant changes that could be indicative of an impending failure.

What Is Condition Monitoring?

Condition monitoring is defined as the measuring of particular equipment parameters, equivalent to vibrations in a machine, its temperature or the condition of its oil, taking note of any significant changes that might be indicative of an impending failure. Constantly monitoring the condition of equipment and taking note of any irregularities that might usually shorten an asset’s lifespan permits maintenance or different preventive actions to be scheduled to address the problem(s) earlier than they grow to be more severe failures.

Condition monitoring is a big component of predictive maintenance. The data collected from condition monitoring over time provides valuable information about the current and historical state of an asset. This evolution of a machine can be utilized to anticipate how the asset will perform over time and the way it may degrade, permitting for the scheduling of maintenance based mostly on these predictions. This is known as predictive maintenance – upkeep based mostly on what failures could happen and what maintenance ought to be scheduled to stop such failures from occurring.

Condition monitoring methods are typically used on rotating equipment (gearboxes, reciprocating machines, centrifugal machines, etc.), backup or secondary systems, and other machinery comparable to compressors, pumps, electric motors, presses and inner combustion engines.

There are frequent methods used for condition monitoring:

Trend monitoring: Pattern monitoring is the continuous, regular measurement and interpretation of data. It includes selecting a suitable and measurable indication of machine or element deterioration and finding out this development to determine when deterioration goes over a critical limit. For instance, pattern monitoring is used for routinely tracking airplane engine data to detect and diagnose abnormalities in engine efficiency, hopefully preventing secondary, more costly damage.

Condition checking: Condition checking includes taking a periodic check measurement with an appropriate indicator while a machine is running. The data from this technique is then used to measure the condition of the machine at a given time. An example of condition checking may very well be using an oil sight glass like a condition monitoring pod (CMP) to check the condition of a machine’s lubricant in real time.

Condition monitoring via these methods provides an inside look at how your machines and/or elements are currently operating and, over time, affords a historical account of machine health.

Benefits of Condition Monitoring

Unsurprisingly, condition monitoring can lend itself to many benefits, together with decreased maintenance costs, reduced downtime, extended asset life and cost savings on prematurely changed resources. For example, your condition monitoring system measures the amount of noise produced by a component. Over time, you discover a pattern of machine failure quickly after the noise stage on the part reaches a sure level. Because you might have a condition monitoring system in place, you can now set an alert on that component when it hits that noise level, which, in turn, lets upkeep personnel know they might want to consider replacing the component.

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