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銑床

數控銑床程序編制--刀具補償

發布日期:2022-04-27 點擊率:69

1、刀具半徑補償:銑削加工的刀具半徑補償分為刀具半徑左補償和刀具半徑右補償。
1)刀具半徑左補償G41指令和刀具半徑右補償G42指令

格式:

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說明:

G41:左刀補(在刀具前進方向左側補償);
G42:右刀補(在刀具前進方向右側補償);
X、Y:刀補建立或取消的終點;
D:刀具半徑補償寄存器地址字(D00~D99)

2)取消刀具半徑補償G40指令

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說明:

G40:取消刀具半徑補償。

指令中有x、y值時,表示編程軌跡上取消刀補點的坐標值。無x、y值時,則刀具中心點將沿舊矢量的相反方向運動到指定點。

2、刀具長度補償G43、G44、G49指令

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當刀具磨損時,可在持續中使用刀具補償指令補償刀具尺寸的變化,而不必重新調整刀具和對刀。

G43:刀具長度正補償(補償軸的終點加上偏置值);
G44:刀具長度負補償(補償軸的終點減去偏置值);
Z:程序中的指令值;
H:補償功能代碼,它后面的兩位數為刀具補償寄存器的地址字(H00~H99)。

采用取消刀具長度補償G49指令或用G43 H00和G44 H00可以撤消補償指令。

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