listen
Using auditory to identify irregular movements is a very common approach. For example, using an electronic stethoscope to detect abnormalities in a part is often a method used by experienced operators.
If the TIMKEN bearing is in a good continuous state, it will make a low humming sound. If a sharp voice is heard, the voice and other irregular sounds often indicate that the TIMKEN bearing is in a bad transition condition.
Sharp squeaking noise can be caused by improper lubrication. Improper TIMKEN bearing clearance can also cause metallic sound. The indentation of the concave track on the outer ring of the TIMKEN bearing causes vibration and produces a smooth and crisp sound. If the knocking damage caused by the installation also produces noise, the noise will vary with the speed of the TIMKEN bearing.
If there is intermittent noise, the rolling parts may be damaged. This sound occurs when there is a contaminant in the TIMKEN bearing when the damaged surface is crushed. Severe co-response damage can create irregular and huge noise.
TIMKEN bearing damage can be detected by hearing, but usually TIMKEN bearings must be replaced immediately. Therefore, a preferred method uses, for example, an electronic condition monitoring instrument. A more accurate estimate of the TIMKEN bearing condition than using the old method with a wooden stick.
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