CNC加工新手怎么减少废品率?现场师傅一般先看哪几处

机加工这边带新人,我现在最怕的不是他慢,是还没看懂图纸和刀补就急着追产量。首件没稳住,后面越跑越像在赌运气。 我自己比较看三件事:尺寸链有没有先圈出来,刀具磨损有没有按批次记,夹具定位面有没有每次擦干净。很多废品不是机床不行,是前面那几个小动作偷懒了。 想听听做 CNC、车床、铣床的同行,你们新人上手时最先盯什么?是先练看图,还是先练换刀和找基准?

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