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Talking about "Selecting Low Noise SKF Bearings and Application Matters"
Source: China Bearing Network Time: 2013-02-05
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(2) If the bearings with relatively low noise are used, the low noise bearings of the above two types cannot be used; the bearings with relatively small noise can be selected. The detailed comparison is as follows:
1) The noise of the ball bearing is lower than that of the roller bearing; the (collision) noise of the bearing with less sliding is lower than that of the bearing with relatively sliding.
2) The noise of the SKF bearing using the solid cage is relatively lower than that of the bearing using the stamping cage. The noise of the plastic cage bearing is lower than that of the above two cages, and the number of balls is large; the outer ring is thick; The noise is also better.
3) Bearings with high precision; especially the bearings with higher precision of the rolling body; the noise is relatively better than the noise of low-precision bearings.
4) The noise of small bearings is relatively small compared to the noise of large bearings.
For example, the noise of a radial ball bearing is shorter than that of a short cylindrical roller bearing. The scouring and squatting of the cerebral palsy is still a sputum and a cerebral palsy.
Rolling bearing work; accepts a certain load; even static load; but for steel balls and raceways; its stress is cyclical; the data will be tumbling and fatigue, so that the imported bearings reach the end of life. The appearance is Some of the tumbling data is like the fish scales falling off; this appearance is called Falling.
Bearings for household appliances; the load received by the bearing is very good. However, after the bearing has been working for a while, wear, increased oscillation noise, smooth grease deterioration, etc. occur because of the severe noise demand on the appliance; when the bearing noise exceeds When the scale is allowed; it is thought that the SKF bearing can not be used continuously. The total moment of low noise operation of the bearing is called the bearing noise life.
Household appliances bearings generally use a non-protective grease smooth seal bearing. Although the bearing is smooth, only a small amount of smoothing agent is needed; but after a long time of operation, the smooth grease is deteriorated and leaked; the bearing is not smooth; thus the bearing is ineffective. SKF bearing is outstanding and smooth. The total moment of work in the state is called the bearing life.
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