Date: 2013-08-22

Criteria for determining the TIMKEN bearing replacement

To the specific judgment method for repair of TIMKEN bearings, approaching that bearings are already fully used to undermine the specific judgment as follows:
1) using the bearing working status monitoring instrument
Such as ferrograph type or SPM or I-ID-1 bearing working status monitoring instrument to judge the TIMKEN bearings bearing when you should be working and decisions to be repaired, this is the most convenient and reliable way.
For example when the HD-1 instrument is used, and when the pointer by the warning zone close to the danger zone, and after taking measures such as improved lubrication does not return a pointer, you can identify the TIMKEN bearing their problems, when you can take at this time had not yet reached the danger zone, bearing repair. Exactly how far away from the danger zone begins to be repaired, can be adjusted by experience.
Using this instrument, fully harnessing the potential of TIMKEN bearings, bearing to be repaired in a timely manner, and avoids the failure occurred are safe and economical.
2) using a simple tool monitoring
In the absence of the above devices, the operator can be armed with rods or tools such as wrenches machine shell parts of the subject closest to the bearing, ashamed of the ear listening by TIMKEN bearings from the tools on the tool running, use modified medical stethoscope or you can, of course.
TIMKEN bearings normal operation should be uniform, smooth and not harsh voice, and does not sound normal bearing operation has a variety of intermittent, or harsh sound of impact. First thing to get used to normal bearing operation, then you can make the judgment does not sound normal bearing operation, which will accumulate experience through practice, and further analysis of what kind of abnormal sound of bearings correspond to what is not normal. Many categories of abnormal sound of bearings, difficult to indescribable, primarily based on the experience accumulated.  

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