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Turn tone with a stethoscope to check bearing, a metallic noise, strong noise, irregular, abnormal sound. Due to poor lubrication, shaft or housing poor accuracy, bearing damage, foreign intrusion etc..
Lubricating grease in the rolling bearing in the different form the opening of the outline is divided kind, must constitute the outline draft of comparison, should be short, low, bearing temperature in long-term operation and smooth, this is a fantasy of the grease, the grease into drainage special primary.
In the ordinary circumstances, the rolling bearing grease filling, is always beyond the practice of intervening directly in lubrication requirements, full frame and bearing cavity cover, and constitutes a profile on a rolling body. Early in the bearings run stage, most of the grease quickly (less than a minute) was out of the raceway, and accumulated in the grease in the bearing migration change of reincarnation, one after another little being discharged. When the bearing temperature continues to rise, until the excess grease is discharged so far, can be called grease collection phase, elements on the basis of lubricating grease in the bearing structure quality, fill volume, this period may last ten minutes, even a few hours.
1, the cause: the EDA bearing precision is low Methods: the levels of precision bearing selection rules.
Methods: the levels of precision bearing selection rules.
2, cause: spindle box hole concentric winding or not
Methods: to repair the spindle box.
3, the cause: the belt is too tight
3, the cause: the belt is too tight
Methods: to adjust the tightness of the belt properly.
4, the cause: the smooth side
Methods: the smooth data rules and appropriate clean grade.
5, cause: removing low quality
Method: remove the quality progress.
6, the cause: the EDA bearing inner casing failures
Methods: the change in import bearings and coherent wear parts.
7, the axial force is too large
Methods: between cleaning, adjust the sealing ring gap for 0.2 ~ 0.3mm, correct the impeller balance hole diameter and check the static equilibrium value.
8, imports of bearing failure
Methods: the change of EDA bearing.