立式加工中心XH715D，工作台尺寸：520mm×1200mm。外轮廓采用平底铣刀加工，刀具直径         mm，加工深度 8mm ，铝棒料毛坯         mm。 内槽: 平底铣刀        mm，内腔深度5mm。（图1）。

图1 铣削零件

各点的坐标:

1 (15,35)         2 (35,15)          3 (35,-22.5)           4 (22.5,-35)   

5 (12.5,-35)      6 (-12.5,-35)      7 (-22.261,-35)        8 (-35,0)      

9 (-35,22.5)      10 (-22.5,35)      11 (-20,-5)            12 (-15,-10)   

13 (-11.18,10)    14 (11.18,-10)     15 (15,-10)            16 (20,-5)     

17 (20,5)         18 (15,10)         19 (11.18,10)          20 (-11.18,10) 

21 (-15,10)       22 (-20,15)

编程如下:

O 0001

NO1  T1;

N02  M06;  / 换刀

N03  G90 G54 G0 X0 Y40 S800 M03;   /设定工件坐标系

N04  G43 Z100 H1 M08;   /刀具长度补偿（G43、H1并用）

N05  Y50;

N06  Z5;

N07  G01 Z-8 F30;

N08  G41 X-15 F120 D01;

N09  G03 X0 Y35 R15;

N10  G01 X15;

N11  G02 X35 Y15 R20;

N12  G01 Y-22.5;

N13  G02 X22.5  Y-35  R12.5;

N14  G01 X12.5;

N15  G03 X-12.5 Y-35 R12.5;

N16  G01 X-22.261;

N17  G01 X-35 Y0;

N18  G01 Y22.5;

N19  G02 X-22.5 Y35 R12.5;

N20  G01 X0;

N21  G03 X15 Y40 R15;

N22  G40 G01 X0;

N23  G00 Z100 M09;           /抬刀

N24  G91 G28 Z0;             /Z 方向回到零点

N25  T2;

N26  M06;

N27  G90 G54 G00 X0 Y0 S800 M03;

N28  G43 Z100 H2 M08;

N29  Z5;

N30  Z-5  F30;

N31  G41 X-15 Y5 D02;

N32  G03 X-20 Y0 R5;

N33  G01 Y-5;

N34  G03 X-15 Y-10 R5;

N35  G01 X-11.18;

N36  G03 X11.18  Y-10 R15;

N37  G01 X15;

N38  G03 X20 Y-5 R5;

N39  G01 Y5;

N40  G03 X15 Y10 R5;

N41  G01 X11.18

N42  G03 X-11.18  Y10 R15;

N43  G01 X-15;

N44  G03 X-20 Y5 R5;

N45  G01 Y0;

N46  G03 X-15 Y-5 R5;

N47  G01 G40 X0 Y0;

N48  G0 Z100;

N49  M09 M05;

N50  M30;