2013年8月22日星期四

Bearing inspection and acceptance of the method

Check the bearing, the user must have the following knowledge:

(1) Which of the bearing commodities inspection standards based;

(2) What bearing commodities inspection items, why should test these items;

(3) bearing merchandise conducting quality inspection, you need to do to prepare the work, why should these preparations;

(4) the various test items bearing merchandise under what conditions, with what methods, what equipment to be tested, the test results must be within the tolerances in how to be qualified;

(5) bearing large quantities of goods and sometimes, not one hundred percent inspection, then it should be what kind of sampling plan, what quantity taken for examination in order to more fully with sufficient reliability to represent all the goods bearing the quality and inspection The result has to be measured according to what criteria to determine whether these products are qualified batch should be accepted or rejected should be unqualified approval.

Acceptance inspection of cross roller bearing can generally be divided into three categories, namely:

Routine check - bearing arrives routine general inspection.

Routine examination - of the bearing assembly associated with dimensional accuracy, precision rotation, bearing clearance and the bearing of the residual magnetic intensity of such items to be checked.

Special inspection - the quality of the bearing vibration, noise, quality and other specific requirements of the bearing to be checked.

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