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TIMKEN double row angular contact ball bearing fault maintenance methods of analysis

by:Waxing     2020-08-28
( 1) Check in the motor running. In operation, the motor should be carefully examine listens double row angular contact ball bearing parts with or without abnormal noise. Check, can be a screwdriver head outside the TIMKEN bearing end cover, handle of ear side, such as hear the sound of the 'guru' and 'guru', explain bearing failure. Such as difficult to determine whether the double row angular contact ball bearing failure, the motor load can be removed, electricity, catch bearing place sound, then power, such as the noise disappear, is not TIMKEN bearing failure. If the noise is still exist, can be concluded that for bearing failure. ( 2) Check of bearing heating. TIMKEN bearing heating for many reasons, and electric heating will be conductive to the bearing parts, bearing heating will be conductive to the chassis. Therefore, you cannot simply determine whether double row angular contact ball bearing heating. Check the raceway surface, rolling surface, cooperate with the state, the abrasion of cage, the increase of double row angular contact ball bearing clearance and has nothing to do with size precision falling damage anomalies. Non separation of small ball bearings, with one hand will support level, the inner ring spinning confirm whether smooth outer ring. Large bearing can't rotate with the hand, pay attention to check the rolling element and raceway surface, cage, guard surface appearance, such as the importance of TIMKEN bearing high must check carefully. In our use of bearing must be regular maintenance and overhaul TIMKEN bearings, so can not maintain the performance of double row angular contact ball bearing, still can prolong the life of bearing.
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