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Bearing professor summed up the work of one-way bearing inspection
Source: China Bearing Network Time: 2018-03-09
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It is increasingly important to look at the situation of the transfer in the work and to complete the full inspection plan in advance. In the meantime, the one-way bearing is the focus; because it is the most important rotating part of all the turning; situation monitoring is important to prevent protection. A ring. Early detection of one-way bearing damage to prevent non-planned equipment stops due to bearing damage.
Especially in important machines or in harsh environments, one-way bearings should be viewed frequently; the market has presented quite a number of systems and instruments; used to monitor bearings; most of these instruments are based on oscillation measurements.
However, not all instruments are equipped with these leading instruments. In this case, it is necessary for the transfer staff or protection engineer to maintain a high degree of vigilance against the "error signal" of the one-way bearing; for example, noise, temperature and oscillation." Listening is an important method.
The use of hearing to identify irregular work is a very general approach. For example, using electronic stethoscopes and mechanical listening needles to detect abnormal noise of a part is often experienced by the staff. The bearing is outstanding. The work situation will announce a low snoring; if a sharp voice, voice and other irregular sounds are announced; it generally indicates that the one-way bearing is in poor working condition.
Sharp å±å± noise can be formed by improper smoothness; improper one-way bearing clearances can create metallic sounds. The dents on the outer ring of the bearing can cause oscillations and create smooth and loud sounds. The resulting knocking flaw will also cause noise; this noise will be different from the bump of the bearing speed. If there is intermittent noise, it means that the rolling part can be damaged; this sound is the attack when the damaged surface is crushed Expired. If there are pollutants in the bearing, it will often cause noise. Severe one-way bearing damage will cause irregular and grand noise.
One-way bearing damage can of course be detected by hearing; however, it is now generally the time when the bearing needs to be replaced immediately; so a better example is to use an electronic condition monitoring instrument; pre-diagnosing the working condition of the bearing.
Compared with 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 one-way bearing situation.
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