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Preparation before processing

1 operating personnel should wear protective glasses, anti smashing working shoes and protective articles

2 The required fulcrum, pressure plate, copper skin should be complete

3.Technology,inspection instructions, processing records are accurate and complete

4.mobile card of production,work piece,number of test records are the same

5.We should confirm that machining parameters or processing program is corrrect before processing,

6 check whether the tool model meets the processing requirements before processing.

7whether the presion of measurement equipment is complete and accuracy,whether it is in the calibration period,and  whether it has calibration label or not