刀具半径补偿

程序如下：

%
G40 G49 G80 G90
T02 M06
G17 G00 G54 X42.7 Y0.
G43 Z50. H02
S1000 M03
Z2.
G01 Z-1. F150. M08
X48.7
G03 X43.392 Y22.109 I-48.697 J0.
X28.625 Y39.4 I-43.4 J-22.115
X-22.109 Y43.394 I-28.625 J-39.395
Y-43.394 I22.111 J-43.394
X28.625 Y-39.4 I22.108 J43.389
X43.392 Y-22.109 I-28.633 J39.405
X48.7 Y0. I-43.389 J22.109
G01 X42.7
Z2.
G00 Z50.
Z1.
G01 Z-2.
X48.7
G03 X43.392 Y22.109 I-48.697 J0.
X28.625 Y39.4 I-43.4 J-22.115
X-22.109 Y43.394 I-28.625 J-39.395
Y-43.394 I22.111 J-43.394
X28.625 Y-39.4 I22.108 J43.389
X43.392 Y-22.109 I-28.633 J39.405
X48.7 Y0. I-43.389 J22.109
G01 X42.7
Z1.
G00 Z50.
Z0.
G01 Z-3.
X48.7
G03 X43.392 Y22.109 I-48.697 J0.
X28.625 Y39.4 I-43.4 J-22.115
X-22.109 Y43.394 I-28.625 J-39.395
Y-43.394 I22.111 J-43.394
X28.625 Y-39.4 I22.108 J43.389
X43.392 Y-22.109 I-28.633 J39.405
X48.7 Y0. I-43.389 J22.109
G01 X42.7
Z0.
G00 Z50.
Z-1.
G01 Z-4.
X48.7
G03 X43.392 Y22.109 I-48.697 J0.
X28.625 Y39.4 I-43.4 J-22.115
X-22.109 Y43.394 I-28.625 J-39.395
Y-43.394 I22.111 J-43.394
X28.625 Y-39.4 I22.108 J43.389
X43.392 Y-22.109 I-28.633 J39.405
X48.7 Y0. I-43.389 J22.109
G01 X42.7
Z-1.
G00 Z50.
M09
M05
M30

出来的圆只有109.5 要做到110的。 在G43 Z50 H02 后面补上了D02的刀具半径补偿。为什么没什么作用？

楼主应该是个CNC初学者，首先你要搞懂每个G代码的功能，G43的作用是 建立刀具长度补偿，该指令只能读取到长度补偿地址里面的数据；建立刀具半径补偿的指令是G41和G42两个指令，而且只有刀具执行G0或G01命令的同时才能建立起半径补偿！比如G01 G41 x50. y-50. D02 的意义就是刀具在直线行走到 x50. y-50.点的同时也建立起了刀具的半径补偿，G41读取的就是半径补偿地址D02里面的数据。

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