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Detailed analysis of the faults in TIMKEN bearing work
Source: China Bearing Network Time: 2013-05-20
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2. High temperatures often indicate that the TIMKEN bearing is in an abnormal condition. High temperatures are also detrimental to the smoothing agent in the bearing. Sometimes the bearing overheating can be attributed to the smoothing agent of the bearing. If the bearing works for a long time beyond 125 degrees Celsius, it will reduce the bearing life.
The causes of high temperature TIMKEN bearings include: smooth lack or over-smoothness, magazines in smoothing agents, excessive load, bearing damage, lack of clearance, and high temperature conflicts in oil seals.
3. View the condition of the machine at work; monitor it; avoid forming a device stop.
Regular inspection of equipment; inspection of the bearings that were dismantled during work inspection and replacement of peripheral parts; it is better to judge whether it can be used or used again. It is necessary to carefully inquire and record the TIMKEN bearings and appearances that have been removed. In order to clarify and query the remaining amount of smoothing agent; sample the future; to remove the bearing well.
Secondly, check the raceway surface; the condition of the rolling surface and the cooperation surface, and the wear condition of the cage, etc., whether there is damage or abnormality.
Determine whether the TIMKEN bearing can be used again; consider the degree of bearing damage; machine function, importance, working conditions, viewing cycle, etc. to review the results in the future. Check the results; if the bearing is found to have damage and abnormal conditions; Clear reasons; formulate countermeasures. Other; view the results; if there are several disadvantages; the bearings can no longer be used; the need to replace the new TIMKEN bearings.
1) Any one of the inner and outer rings, the roll body and the cage has cracks and fragments.
2) The inner and outer rings and the roll body are peeled off.
3) The raceway surface, ribs and roll body have obvious card injuries.
4) The wear of the cage is severe or the rivet is loose and fierce.
5) The raceway surface, the rolling body is rusty and flawed.
6) There are obvious indentations and marks on the rolling surface and the rolling body.
7) There is creep on the inner diameter surface of the inner ring or the outer diameter of the outer ring.
8) Superheated and discolored.
9) The sealing ring and dust cover of the smooth grease sealed bearing are severely damaged.
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