Method for installing and adjusting low noise bearings
The installation and adjustment of low-noise bearings can also imitate the grouping method of long-life bearings, so that the fit interference size is relatively consistent, and the clearance of bearings is relatively consistent, and it is hoped that the fit interference value is small within the possible range, so as to ensure that the bearing raceway deformation is small, so as to reduce the noise caused by the rolling body passing through.
If the operation of a nasty sharp cry, it indicates that the preload of the bearing is too large, the bearing has a large preload, and the preload should be slightly relaxed. If the clearance is too large, the two bearing rings can be slightly biased along the axial direction: not only the clearance is reduced, but also the axial rigidity is increased, which can reduce the bearing noise.
When the rolling body enters the no-load zone, it will slip or move from side to side, which will increase noise and cause wear. However, small clearance and large axial stiffness can eliminate this phenomenon. But the clearance can not be too small, so as not to cause too high temperature and shorten the life.
Sometimes due to the host operating temperature range is very large, or the size of the shaft and the seat hole is very discrete, can not be adjusted once to get a more appropriate clearance, in this case, the bearing outer ring can be used elastic constant pressure preload method.
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