对于孔加工，不同的数控机床有不同的指令。本机床孔加工所使用的指令为直线插补指令G01，下面说明孔加工的编程方法。
设—号刀为外圆刀，二号刀为Φ3mm钻头，三号刀为切断刀，四号刀为Φ16mm钻头，六号刀为镗刀。毛坯为Φ53mm×100mm的棒料。选取工件轴线与工件右端面的交点O 为坐标原点，其加工程序为
%0002
N01 G92 X150.0 Z200.0
N02 M03 S800
T0101
N03 G00 X55.0 Z0
N04 G01 X0
G95 F0.4 (转进给)
N05 G00 Z2.0
N06 X50.0
N07 G01 Z-73.0 F0.4
N08 G00 X52.0 Z2.0
N09 X40.0
N10 G01 Z-45.0 F0.3
N11 G02 X50.0 Z-50.0 R5.0
N12 G00 X55.0 Z1.0
N13 X34.0
N15 G00 X150.0 Z200.0
T0100
N16 M03 S1500 T0202
N17 G00 X0 Z2.0
N18 G01 Z-4.0 F0.12
N19 G00 Z2.0
N20 X150.0 Z200.0 T0200
N21 M03 S500 T0404 M08
N22 G00 X0 Z2.0
N23 G01 W-15.0 F0.12
N24 G00 W5.0
N25 G01 W-15.0 F0.12
N26 G00 W5.0
N27 G01 W-15.0 F0.12
N28 G00 W5.0
N29 G0l W-10.0 F0.12
N30 G00 W40.0
N31 M09
N32 G00 X150.0 Z200.0 T0400
N33 X18.0 Z2.0T0606 M08
N34 G01 Z-30.0 S1000 F10
N35 G00 Xl6.0
N36 Z2.0
N37 X20.0
N38 G01 Z-30.0 F10
N39 G00 Xl8.0
N39 Z2.0
N40 X22.0
N38 G01 Z0 F0.3
N39 X20.0 Z-1.0
N40 G00 Z2.0
N41 X150.0 Z200.0 T0600
N42 G00 X52.0 Z-70.0 S500 T0303
N43 G01 X0 F0.15
G94 F1000
N44 G01 X55.0
N45 X150.0 Z200.0
M05
N46 M09
N47 M30
