Force ball bearing fever damage judgment solution

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The machine shaft parts, especially the spindle, generally with rolling bearings or plain bearings assembled into one, sometimes it will produce high heat and high speed rotation. This phenomenon is not immediately removed, and will cause the bearings to overheat, and machine tools to the corresponding parts of the temperature rise and thermal deformation, severe spindle and tailstock will not contour, which affects not only the machine itself, precision machining accuracy and bearing burn out.thin section bearing
In general, if the proper use of thrust ball bearings can be used to reach fatigue life date. But there will be an accident prematurely damage, not resistant to the use. This early damage and fatigue life relative, called quality use limits of breakdown or accident. More due to installation, use, and not pay attention to the intrusion of foreign bodies from external lubrication on the shaft, shell heat affected insufficient etc..
Bearing damage state, such as: the bearing rings, ribs Card injury as the cause may be considered insufficient lubricant, not suitable for oil discharge structure defects, the intrusion of foreign bodies, bearing misalignment, shaft deflections over large, there will be th ese reasons overlap.
Therefore, only investigated the damage is difficult to know the real cause of the injury. However, if you know the mechanical conditions of use of the use of the bearing, the bearing around the structure, to understand the situation before and after the accident, examine the state of the bearing damage and several reasons, we can prevent similar accidents from happening again.