Purchase bearing the user must possess the following knowledge

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    (1) bearing goods inspection according to which of the standard;

    (2) the inspection of the goods bearing the project, why should examine these items;bearing factory

    (3) bearing the goods prior to quality inspection, you need to do to prepare, why do these preparations;

    (4) The test items bearing the goods is under what conditions, what, what instruments to test, test results must be qualified within the tolerance range;

    (5) bearing goods sometimes bulk can not be one hundred percent inspection, then what kind of sampling program should be used to extract what quantity for examination in order to more comprehensive, and reliable enough to represent the quality of all goods bearing, while the test the results of the criteria to be measured to determine whether these goods should be accepted by qualified approved or failed batch to be rejected.

    Bearing the acceptance inspection is usually divided into three categories, namely:china bearing supplier

    Routine check - bearing the arrival routine general inspection.

    Routine examination - to check the bearing assembly on the dimensional accuracy, rotation accuracy, bearing clearance and the bearing of residual magnetic intensity project.

    Special inspection - bearing vibration quality, noise quality and bearing the special requirements to be checked.bearing factory in china