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滚劫轴承在使用一定期间后便要损坏,需重新换新的轴承,这种需替换的轴承在需要量中占很大的比重,我们估计替换的轴承,可能占总需要量的5—20%,就是说每年要生产大批维修用的轴承,倘若我国轴承的年产量是三亿套,那么每年有轴承废品2500万套以上,所以有必要利用这些轴承来进行修理.这是轴承节约主要方法之一,在苏联很早以前就进行这项工作了.滚动轴承大部分的类型中,都是可以修理的.修理后也能合乎轴承的设计原则.修理后轴承的质量一般都低于H级轴承的质量,修理过的轴承可以使用在农业机械上和一般不精密的设备上.所以修理过的轴承价格较低.
Bearings to be damaged after use for a certain period of time, to be renewed bearings, the need for replacement of bearings in a large proportion of the need, we estimate that the replacement of the bearings, the total demand may be 5-20 %, That is to say, each year to produce a large number of maintenance bearings, if the annual output of our bearings is 300 million sets, then there are more than 25 million sets of bearing scrap each year, it is necessary to use these bearings to carry out repairs. This is the main method of bearing savings One of which was carried out very early in the Soviet Union. The majority of rolling bearings can be repaired, and the design principles of the bearings can also be repaired. The quality of bearings after repair is generally lower than the H-class bearings The quality of the repaired bearings can be used on agricultural machinery and generally inaccurate equipment, so repaired bearings are cheaper.