6、G71 外圆粗车循环指令
O0001;
G98;
M03 S500 T0101;
G00 X82 Z3;
G71 U1.5 R0.5;
G71 P1 Q2 U0.5 W0.1 F120;
N1 G00 X0;
G01 Z0 F80 S1000;
X20;
X24 Z-2;
Z-20;
X30;
X32 W-1;
Z-40;
X42;
X48;
W-11;
G02 X58 Z-55 R5;
G01 X72;
X76 W-2;
N2 X82;
G70 P1 Q2;
G00 X100 Z100;
M05;
M30;
7、G73封闭切削循环指令