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How to determine the replacement of imported bearings

by:JNSN     2021-12-14
The specific method of judging whether imported bearings should be reported for repair, that is, the specific methods of judging whether imported bearings have been fully utilized and near damage is as follows: 1) Use imported bearing working condition monitoring instruments such as ferrograph or SPM or I-ID-1 It is the most convenient and reliable method to judge the working status of imported bearings and decide when the imported bearings should be reported for repair. For example, when the HD-1 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 improved lubrication, it can be determined that it is the problem of the imported bearing itself. At this time, you can take advantage of the danger In case of zone, the imported bearings will be reported for repair. Exactly how far away from the dangerous zone is to report for repairs can be adjusted by experience. With such an instrument, the working potential of imported bearings can be fully utilized, the imported bearings can be reported for repair in time, and failures can be avoided, which is safe and economical. 2) Use simple tools to monitor. In situations where the above instruments are not available, the operator can hold tools such as round bars or wrenches against the part of the machine housing closest to the imported bearing, and put the ear on the tool to monitor the running sound of the imported bearing from the tool. , Of course, it is also possible to use a medical stethoscope. The normal running sound of imported bearings should be uniform, stable and not harsh, while the abnormal running sound of imported bearings has a variety of intermittent, impact or harsh sounds. First of all, you must get used to the normal sound of imported bearings, and then you can grasp and judge the abnormal sound of imported bearings, and then through the accumulation of practical experience, you can further analyze what kind of abnormal sounds correspond to what kind of imported bearings. Abnormal phenomenon. There are many types of abnormal sound from imported bearings, which are difficult to explain, mainly relying on accumulated experience.
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