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82问答网 > 5．什么是刀具半径补偿？在切削加工中刀补有哪几种作用？G41、G42、G40分别是什么指令？

5．什么是刀具半径补偿？在切削加工中刀补有哪几种作用？G41、G42、G40分别是什么指令？

2025-03-17 00:39:59

推荐回答（1个）

回答1：

g41刀具半径左补偿，g42是刀具半径右补偿。g41和g42只能和g00或g01配合使用，而不能和圆弧补偿配合。并且，定位要大于刀具半径。最后要用g40取消刀补。例如：g41g01x20.0y15.0d01；……g40；……

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