Iron, Ken bearing installed correctly and radial clearance adjustment method of low noise
by:Waxing2020-10-13
1, low noise, Ken bearing installation and adjustment also can imitate grouping method of long life bearings, makes the interference fit the size is consistent, iron, Ken bearing clearance is relatively consistent, and hope to cooperate with interference within may take smaller values, to ensure that the iron, small deformation of the bearing raceway, Ken and rolling body caused by noise is smaller.
2, clearance on the relationship between the noise is very large, ideally when iron, Ken bearing is in running state, the highest temperature clearance value is zero.
Judgment methods of clearance is too large, stationary state make bearing axial displacement, the extent of the reciprocating is bigger, the big and heavy turbidity of a noise during operation.
3, if the hate sharp whistlers, then iron Ken bearing preload is too big, preloaded, bearing a large prestressing degree should have to relax.
If the clearance is too large, can make the two bearing ring along the axial relative offset slightly: both reduced clearance, and increase the axial rigidity, reduced iron, Ken bearing noise.
4, rolling body around would not bite into the no-load area or channeling, that will not only increase the noise can also cause wear and tear, and the small clearance and large axial stiffness can eliminate the phenomenon.
But cannot too small clearance, lest cause high temperature and shorten the life.
5, sometimes because of the host operating temperature range is very large, or the size of the shaft and the bearing hole discreteness is very big, can't get a setting on a proper clearance, in this case, to iron, Ken bearing outer ring by using elastic constant pressure preload.
Commonly used to adjust iron, Ken bearing radial clearance method is as follows: 1, the lateral clearance of circular and elliptical bush, can use manual crapping or bearing faceted padded cutting methods of scratch after adjustment.
2, the tip clearance of circular and elliptical bearings, can be manually crapping or when the situation allows faceted padded method of bearing adjustment.
More than 3, the oil wedge fixed bearing, in principle is not allowed to repair and adjust bearing clearance, clearance is improper new tile should be replaced.
More than 4, the oil wedge tilting type bearing, are not allowed to fix the tile, clearance is improper for tile should be changed.
Segment of thickness is adjustable, can be adjusted through behind the tile under the block and stainless steel pads, or thinning amount adjustment method of block thickness tile.
Pay attention to much oil wedge tilting type bearing, group between tile thickness error should be less than 0.
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