According to the classification of use, the gauge can be divided into this3Species:
     1.Working gauge:To be used by the operator of the workpiece, the pass gauge should be new or less worn. Generic codeT"To indicate that the rule is used by the code"Z"Said.
     2.Acceptance gauge:Used by the inspection department or user representative when accepting the product.

    3.Check gauge: Gauges manufactured specifically for the inspection of working gauges for shaft workpieces.

    TTA collating gauge for making shafts
    ZTA proofreading gauge for making shafts

    TSA proofreading gauge used to scrap the old pass gauge for inspection shaft

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