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The specific judgment method of whether the bearing should be repaired or not

The specific judgment method of whether the bearing should be repaired or not

2020-05-15

The specific judgment method of whether the bearing should be repaired or not, that is, the bearing has been fully utilized and the damage is approaching, is as follows: 1) use the bearing working condition monitoring instrument

It is the most convenient and reliable method to judge the working state of the bearing and to decide when the bearing should be repaired by means of an instrument such as an iron spectrometer or an SPM or an i-id-1 bearing monitoring instrument.

For example, when the hd-1 type instrument is used, when the pointer approaches the danger zone from the warning zone, but the pointer does not return after taking measures such as improving lubrication, it can be determined that the bearing itself is the problem. At this time, the bearing can be repaired before entering the danger zone.How far from the danger area to begin repair can be adjusted by experience.

It is safe and economical to make full use of the bearing working potential, repair the bearing in time, and avoid the failure.

 

2) use simple tools to listen

In the absence of the above instruments, the operator can hold a tool such as a round stick or wrench to the machine shell that is closest to the bearing, and monitor the bearing operating sound from the tool with the ear on the tool. Of course, it is also possible to modify the medical stethoscope. 

 

The sound of normal bearing operation should be uniform, smooth and not harsh, while the sound of abnormal bearing operation should have various intermittent, impact or harsh sounds.First of all, we should get used to the normal running sound of the bearing, and then we can grasp and judge the abnormal running sound of the bearing. Then through the accumulation of practical experience, we can further analyze what kind of abnormal sound corresponds to what kind of abnormal phenomenon of the bearing.Bearing abnormal sound of a lot of categories, difficult to describe, mainly by the accumulation of experience.


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