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2022

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10

HOW TO SCIENTIFICALLY DETERMINE THE CALIBRATION CYCLE OF THE CMM?

Precision instruments Calibration cycle is one of the key process for the metrology work.Only by strictly implementing the calibration cycle can we ensure the smooth progress of production


1.The calibration cycle of CMM

Precision instruments Calibration cycle is one of the key process for the metrology work.Only by strictly implementing the calibration cycle can we ensure the smooth progress of production,quality inspection and other activities.Therefore,in order to measure the CMM accurately and reliably,a scientific calibration period must be determined.

2.The basis for determining the calibration cycle

(1) The frequency of use.For precision equipment such as CMMs that are frequently used,it is easy to reduce the measurement performance,so it can be solved by shortening the calibration cycle.

(2) Requirements for measurement accuracy.For units that require high accuracy,the calibration cycle can be shortened appropriately.

(3) Use the maintenance capability of the unit.If the maintenance of your unit is better,the calibration period should be shortened appropriately;otherwise,it will be longer.

(4) The performance of the measuring instrument,especially the level of long-term stability and reliability.Even if the same type of measuring instrument has poor stability and reliability,the calibration period should be shorter.

(5) For measuring instruments that are related to product quality and have special requirements,the calibration period is relatively short;otherwise,it is longer.

Key words:

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