When used, the correct operation method of the gauge can be summarized as"Light", "positive", "cold", "complete"Four words.

    lightThat is, the use of gauges should be handled lightly, safe and reliable; Do not throw at will; Do not collide with the workpiece, the workpiece is stable and then check; The inspection should be light, not hard.
    isThat is, when the gauge is tested, the position must be placed positively and not skewed, otherwise the test results will not be reliable.
    coldThat is, when the workpiece to be inspected is consistent with the gauge temperature, it can be inspected, and the workpiece that is still hot after processing can not be inspected; Precision workpiece should be isothermal with gauge.
    allIs to use the gauge to test the workpiece to be comprehensive, in order to get the correct and reliable test results, the plug gauge through the end of the entire length of the hole to be tested, but also in2or3Axial in-plane test; The stop end of the plug gauge should be tested at both ends of the hole as far as possible. The pass end and stop end of the caliper should be no less than along and around the shaft4Check on a location.
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