Rolling is the mass production of mechanical parts, and manufacture of precision is very strict, technical high degree of specialization, so readily available for most bearing varieties, it should be more economical to buy than repair, and only under the following conditions before considering the bearing fix the problem, namely,

(1) a large number of large factories are using the same type of bearings, mainly in the form of its failure to roll surface wear, fretting fatigue or abrasion, especially damage to the aircraft or to maintain multi-part rolling, but still rings or gasket repair value;

(2) large and extra large bearings, the brink of failure or failure of the parts Although there is no major damage, or expensive bearings must find ways to extend its effective use period;

(3) some really difficult to buy into the bearing varieties, after the failure had no spare parts and repair, especially the bearings;

(4) bearing a slight injury, such as inventory produced during the mild water, rust, and transport processes of the micro-abrasive mild, easy to repair and wasteful to discard such cases.

In addition to economy outside the bearing repair as well as its technical, which requires appropriate repairer to fully understand the technical requirements of the bearing, and bearings and parts thereof in the structure, process and material characteristics, it would be difficult to ensure that repairs are bearing meet the requirements of the results.



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