数控编程实例一则.doc

数控编程实例 例一.图示如下零件 材料:黄铜, 毛坯:锻件, 单边余量约1mm, 螺纹为公制直螺纹，螺距1.5mm 1#刀：内孔刀； 2#刀：割槽刀(刀宽为槽宽3mm)； 3#刀：螺纹刀 刀具起始点为(X100,Z50); N0010 M03 S1500 N0020 G00 X100 Z50 N0030 T1 N0040 G00 X30 N0050 G00 Z0 N0060 G01 X55 F150 (加工端面) N0070 G01 X39.5 N0080 G01 X36.5 Z-1.5 (倒角1.5×45) N0090 G01 Z-26 (车削内孔φ38) N0100 G03 X30 Z-30 R4 F100 (车削内圆弧R4) N0110 G01 Z-37 (车削内孔φ30) N0120 G00 X28 (X向退刀) N0130 G00 Z50 (Z向退刀) N0140 T2 (换内孔刀割槽) N0150 G00 X35 (快速进刀) N0160 G00 Z-18 (快速进刀) N0170 G01 X44 F150 (割槽) N0180 G00 X36 (快速退刀) N0190 G00 Z50 (快速退刀) N0200 T3 (换螺纹刀加工螺纹) N0210 S700 N0220 G00 X36.5 Z2 (快速进刀) N0230 G86 Z-16 K1.5 I-4 R2 L4 (加工螺纹) N0240 G00 X100 Z80 N0250 M05 N0260 T1 N0270 G00 X100 Z50 N0280 M02 例二.图示如下零件 材料:45#, 毛坯:锻件, 单边余量约1mm, 螺纹为英制锥螺纹，螺距每英寸14牙， 1#刀：外圆刀, 2#刀：外螺纹刀 刀具起始点为(X100,Z160) N0010 M03 S1000 N0020 M08 N0030 G00 X100 Z160 N0040 T1 N0050 G00 X44 Z30.2 (快速进刀) N0060 G01 X30 F120 (粗车端面) N0070 G00 Z107 (快速退刀) N0080 G00 X18.4 (快速进刀) N0090 G01 Z104 F120 (慢速进刀) N0100 G01 X20.4 Z84 (粗车外锥, 直径余量0.4) N0110 G01 Z34 (粗车外圆φ20) N0120 G02 X28 Z30.2 R3.8 F80 (粗车R4) N0130 G01 X40.2 F120 (粗车端面) N0140 G01 Z10 (粗车外圆φ40) N0150 G00 Z104 (快速退刀) N0160 S1500 N0170 G00 X24 (快速进刀) N0180 G01 X10 F120 (精车端面) N0190 G01 X15 N0200 G01 X18 Z102.5 (倒角1.5×45) N0210 G01 X20 Z84 (精车锥度) N0220 G01 Z34 (精车外圆φ20) N0230 G02 X28 Z30 R4 F80 (精车R4) N0240 G01 X40 F120 (精车端面) N0250 G01 Z10 (精车外圆φ40) N0260 G00 X100 Z