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Analysis of the causes of imported bearings being burned

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The so-called imported bearing presents a burn injury condition: the rolling bearing wheel, the rolling body of the imported bearing and the holding frame are heated rapidly during the rotation until discoloration, softening, welding and damage.
The main reason for the formation of imported bearing burns is because the smoothness of the imported bearings is poor; the smoothing agent can be used without the track; perhaps too much smoothing agent; too little; are not correct. Related materials on the smoothness of imported bearings; I will see the analysis of the two articles "The Mistakes in Applying Smooth Grease in the Process of Repairing FAG Bearings" and "Introduction to Smooth Skills in Imported Bearings".
Secondly, it can be too large load (pre-pressure is too large). The rotation speed is too large. The clearance is too small. There is water or other foreign matter intrusion. If the above two conditions are not the case, the accuracy of the shaft and bearing housing is poor, the shaft Deflection is big. See here; I think we all want to know the way to deal with it; first; to study smoothing agent and smooth method; to choose the bearing smoothing agent; and its dosage; and to correct the selection of bearings. Clearance and preloading; and improved sealing equipment. Look at the accuracy of the shaft and bearing housing. Of course; if you have a professor around you; let him operate the best you can learn!
Advocate the use of imported bearings; pay attention to the device; smooth; clearance and other aspects are as accurate as possible; in place.

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