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bearing for mining pulley |
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Quality bearing appearance requirements
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| Time：2016.09.06 News Sources：Shandong Xinkaite bearing Co.,Ltd. Views：
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1, the bearing parts are not allowed cracks, sharp edges, burrs and rust; raceways are not allowed on the traces of processing procedures; inner and outer rings, balls Face ultra-fine lines should be uniform, not allowed to have scratches, bumps;
2, bearing parts with surface grinding grain should be consistent with the rule, not allowed to have a spiral pattern, chatter, yin and yang face and grinding marks, does not allow printing support and significant measurement traces have significant bump hurt and color difference is not allowed.
3, does not allow parts of the surface oxide. Chamfering rings, inner and outer diameter, the inner diameter of the outer lighting requirements process.
4, bearing rings parts pickling, the work surface should not burn, there should be no mating surface without pickling visible burn marks do not affect hardness testing.
5, the assembly chamfer.
a. assembly chamfer dimensions, the chamfered shape should be consistent with the provisions of our product drawings.
b. chamfered surface without rust and bump injury.
6, ball
Ball appearance quality standards should be consistent with JB / T10861 standards.
7, the retainer
Exterior surfaces should be smooth, no glitches, no bumps, no rust and obvious color difference, does not allow bruise contusion, distortion and the appearance of trachoma and other defects.
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