How does the bearing in operation judge the fault through the sound?

Source: China Bearing Network Time: 2018-01-28

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Today, there are many mechanical equipments; technology is booming; machinery and equipment products are getting more and more advanced; bearings of one of the mechanical parts are very simple and difficult parts; it is difficult for general skilled personnel to identify the difficult location of the bearing; Skills compared to fierce bearing skill personnel is very good X; than Fang Jun Sang Ling bearing skills personnel is very fierce; regardless of the mechanical device is SKF bearings are still domestic bearings; as long as the sound can identify the location of the problem; See how the SKF bearing at work can discern the problem by listening to the sound.
Bearing damage can of course be detected by hearing; however, it is now common for the bearing to be replaced immediately. Therefore, better methods such as the use of electronic condition monitoring instruments; The old method (use a wooden stick or screwdriver to the bearing housing; the other end is attached to the ear); using the leading instrument can more accurately predict the bearing situation.
Sharp å±å± noise may be caused by improper smoothness. Inappropriate SKF bearing gaps also form metal sounds. The dents on the outer ring of the bearing cause oscillations; and a smooth and loud sound is formed; Noise can also occur when knocking scars are formed; this noise will vary with the bump of the bearing speed.
It is a very general method to use auditory to identify irregular work; for example, if an electronic stethoscope is used to detect abnormal noise of a part, it is experienced by the operator. If the bearing is in outstanding work, it will be declared low. The humming sound; if a sharp voice, voice, and other irregular sounds are announced, it generally indicates that the imported bearings are in poor working condition.

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