、加工刀具 I01为o10mm标准力铣刀 T02为A1.6中心钻; T03为a5mm标准麻花钻 3、加工程序 O003 N1 G92 Z0 Y0 ZO N2G90G00Z150T01M06 N3G43H01Z-20M03S600 N4 G01 X-5 F50 M08 N5Y20T02 N6 YO N7G03X2.5Y-4.3315J0 N8G0lX-14.821Y-14.33 N9X2.5Y-4.33 NI0G03X25Y4.331-2.5J4.33 NlIG0lx19.281I-2.5J-4.3 N2X2.5Y4.33 NI3G03X-5Y0I-2.5J-4.3 N14 G40 G00 Z0 XO M06 N15G43H02S1F200M03 Nl6G81X-5Y20Z-23R-19F30 Nl7X-14821Y-14.33103 NI8X19821￥-567 NI9G40G00X0Z150M06 N20G43H03S8002、加工刀具 T01 为 ø10mm 标准力铣刀； T02 为 A1.6 中心钻； T03 为 ø5mm 标准麻花钻。 3、加工程序 O003 N1 G92 Z0 Y0 Z0 N2 G90 G00 Z150 T01 M06 N3 G43 H01 Z-20 M03 S600 N4 G01 X-5 F50 M08 N5 Y20 T02 N6 Y0 N7 G03 X2.5 Y-4.33 I5 J0 N8 G01 X-14.821 Y-14.33 N9 X2.5 Y-4.33 N10 G03 X2.5 Y4.33 I-2.5 J4.33 N11 G01 X19.281 I-2.5 J-4.3 N12 X2.5 Y4.33 N13 G03 X-5 Y0 I-2.5 J-4.3 N14 G40 G00 Z0 X0 M06 N15 G43 H02 S1 F200 M03 N16 G81 X-5 Y20 Z-23 R-19 F30 N17 X-14.821 Y-14.33 T03 N18 X19.821 Y-5.67 N19 G40 G00 X0 Z150 M06 N20 G43 H03 S800