如圖所示為車削不等距槽的示例。對等距槽采用循環(huán)比較簡單,而不等距槽則調(diào)用子程序較為簡單。
已知:毛坯直徑φ32mm,長度為77mm,一號刀為外圓車刀,三號刀為切斷刀,其寬度為2mm。加工程序如下:
010 015
N001 G50 X150.Z100.; N101 GOO W-12.;
N002 M03 S800 M08; N102 G01 U-12. F0.15;
N003 GOO X35. Z0; N103 G04 X1.;
N004 G01 X0 FO.3; N104 GOO U12;
N005 GOO X30. Z2.; N105 W-8;
N006 G01 Z-55. F0.3; N106 G01 U-12 F0.15;
N007 GOOXl50. Z100.; N107 G04 X1.;
N008 X32. Z0 T03; N108 GOO U12;
N009 M98 P15 L2; N 109 M99;
N010 GOO W-12.;
N011 G01 X0 F0.12;
N012 G04 X2.;
N013 GOO X150. Z100. M09;
N014 M30;
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