程序参考：
O0052;
G99 G21 G40;
T0101;
M03 S800;
G00 X100.0 Z100.0 M08;
X50.0 Z2.0;
G71 U2.0 R0.5;
G71 P100 Q200 U0.5 W0.0 F0.25;
N100 G00 X29.0 S1 500 F0.1;
G01 Z0.0;
X32.0 Z-1.5;
Z-20.0;
X43.0;
X46.0 Z-21.5;
N200 X50.0;
G70 P100 Q200;
G00 X100.0 Z100.0;
T0202;
G00 X15.0 Z2.0 S800;
G71 U1.0 R0.5;
G71 P300 Q400 U-0.3 W0.0 F0.2;
N300 G00 X24.5 S1 200 F0.05;
G01 Z0.0;
X22.5 Z-1.0;
Z-10.0;
X22.0;
Z-15.0;
G03 X18.0 Z-20.0 R11.0;
G01 Z-36.0;
N400 X15.0;
G70 P300 Q400
G00 X100.0 Z100.0;
T0303;
G00 X20.0 Z2.0 S500;
Z-9.0;
G75 R0.5;
G75 X25.0 Z-10.0 P1000 Q1000F0.1;
G00 Z2.0;
X100.0 Z100.0;
T0404;
G00 X20.0 Z2.0 S600;
G76 P020560 Q50 R0.05;
G76 X24.0 Z-8.0 P975 Q400 F1.5;
G00 X100.0 Z100.0;
M05 M09;
M30;
O0521;
G99 G21 G40;
T0101; 换1号刀
M03 S500 M08; 主轴正转，切削液开
G00 X50.0 Z2.0;
G01 X43.0 Z0;
X46.0 Z-1.5;
Z-15.0;
X52.0;
G00 X100.0 Z100.0;
T0202;
G00 X32.0 Z2.0 S600;
G75 R0.5;
G75 X36.0 Z-5.0 P2000 Q2000 F0.1;
M05 M09;
M30;
