Rolling bearing surface roughness of surface and with the inspection and evaluation standard

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(1) the surface roughness of surface and with check method with the rolling bearing surface roughness of the end face and regulations with arithmetic average deviation Ra outline as evaluation parameters, in principle with profile measurement instrument provisions.roll bearings
When do not have outline instrument, can use the roughness comparison inspection standard. When two kind of examination method results have argue, should be measured with instrument outline the results shall prevail. If use standard roughness, should be checked and rings have the same shape and the same materials and manufacturing process.bearing roller bearings
(2) the surface and end with the surface roughness of evaluation standard of evaluation in specific, for in the hole and the YuanZhuMian, should be at its surface interval of about 120 ° take three point, etc, to end should be at its the chamfering plane take place three locations such as, in the third point on the average of the parameters measured the Ra, should not be greater than the relevant data, or which is not qualified.china bearing company