Date: 2013-08-20

Adjust the trajectory to reduce TIMKEN bearing noise

   Careful observation of the trajectory of TIMKEN bearings, will be informed that only the burden of radial load to bear large axial load to withstand the torque load, or extreme rigidity uneven on the bearing housing. Can check the bearings with the unexpected load and install the error is too large, and investigated bearing clues to cause of damage.
    A low-noise TIMKEN bearing installation and adjustment can also follow the example of the grouping method of long-life bearings, making with the surplus size is more consistent, more consistent bearing clearance, and with the surplus to the extent possible, whichever is less value in order to ensure TIMKEN bearing raceway deformation is small, thus rolling the body through the noise caused by the smaller.
    Clearance noise of the ideal state is when TIMKEN bearings in the maximum temperature of operation of the state, the clearance value is exactly zero. Judge too much clearance: the stationary state of the bearing axial displacement, the magnitude of its reciprocating operation to send a large muddy noise.
    3, if the operation issued by the annoying shrill howling, the bearing preload is too large, bearing a large preloaded, it should be slightly relaxed pretension level. If the clearance is too large, the relative position along the axial direction slightly so that the two bearing rings: not only reduces the clearance, but also increases the axial stiffness can be reduced TIMKEN bearing noise.
    4, the rolling body will slip into the no load zone or around a rocky ledge, then it will increase the noise can also cause wear and tear, a small clearance and axial stiffness can eliminate this phenomenon. Clearance can not be too small, so as not to cause the temperature is too high, and shortened life expectancy.
    5, and sometimes the host operating temperature range, or the shaft and the bearing hole size discrete large, not once it is set to be more appropriate clearance, in this case, TIMKEN bearing outer ring with The elastic constant pressure preload method.

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