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数控车削综合编程习举例

如图所示零件,加工内容有外圆车削、螺纹车削,螺纹车削应在外圆精车后进行。零件采用棒料毛坯进行加工,由于毛坯余量较大,因此,在进行外圆精车前应采用外圆粗车指令去除大部分毛坯余量,粗车后留0.2mm余量(单边)。根据以上零件的加工要求,需要外圆粗车刀、外圆精车刀、切槽刀和螺纹车刀。其中F 62圆柱面不加工,编写零件的数控加工程序:

数控车削综合编程习

o0031

N1 G50 X80.0 Z20.0;

N2 G30 U0 W0;

N3 T0101 M03 M08;

N4 G00 X70.0 Z10.0;

N5 G71 U1.0 R1.0;

N6 G71 P7 Q15 U0.4 W0.2 F0.3 S800;

N7 G00 X40.0 F0.15;

N8 G42 G01 X30.0 Z0.0;

N9 G01 Z-25.0;

N10 X40.0;

N11 Z-40.0;

N12 G02 X50.0 Z-45.0 R5.0;

N13 G03 X60.0 Z-50.0 R5.0;

N14 Z-55.0;

N15 G40;

N16 G30 U0 W0;

N17 G50 S1500;

N18 G96 S200 T0202;

N19 G70 P7 Q15;

N20 G00 X62.0 Z0;

N21 X32.0

N22 G01 X-2.0;

N23 G30 U0 W0;

N24 T0404;

N25 G00 X41.0 Z-25.0;

N26 G01 X20.0 F0.15;

N27 G00 X50.0;

N28 G30 U0 W0;

N29 G97 S1500 T0303;

N30 G00 X32.0 Z3.0;

N31 G92 X29.0 Z-22.5 F0.15;

N32 X28.2;

N33 G30 U30.0 W20.0 M09 M05;

N34 M30;