数控车床编程2012-10-26如图所示工件,毛坯为φ45㎜×120㎜棒材,材料为45钢,数控车削端面、外圆。起刀点设置在工件坐标系X55、Z20处。1.根据零件图样要求、毛坯情况,确定工艺方案及加工路线1)对短轴类零件,轴心线为工艺基准,用三爪自定心卡盘夹持φ45外圆,使工件伸出卡盘80㎜,一次装夹完成粗精加工。2)工步顺序①粗车φ40㎜外圆,留1㎜精车余量,S600、F80,T01。②精车φ40㎜外圆到尺寸,S1000、F40,T02。N01G92X55Z20;设置起刀点N02T0101;取1号90°偏刀,粗车N03G90G00X41Z1;N04M03S600;N05G01X41Z-64F80;粗车φ40㎜外圆,留1㎜精车余量N06G00X55Z20M05T0100;回起刀点换刀N07T0201;N08G00X40Z1;N09M03S1000;N10G01X40Z-64F40;精车φ40㎜外圆到尺寸N11G00X55Z20;N12M05;N13M02;用G90指令指令加工;毛坯直径为50mm,,端面加工吃刀深度1mm;切削过程中要求开切削液,粗加工切削时主轴转速为S200,F100,精加工S600,F50;假设加工过程中使用同一刀具;N010G92X100.0Z100.0;N020T0101;N030M03S200;N040M08;N050G90G00X55.0Z78.0;N060G79X30.0Z74.0F100;N070Z73.0;N080Z72.0;N090Z71.0;N100Z70.0;N110G00X55.0Z72.0;N120G77X48.0Z30.0S200F100;N130X46.0;N140X44.0;N150X42.0;N160X40.0S600F50;N170G00X100Z100;N180M09M05;N190M02;如图所示工件,毛坯为φ25㎜×65㎜棒材,材料为45钢。起刀点设置在工件坐标系下X30、Z150处。工步顺序①粗车外圆。分三刀切完,F100、S500。②自右向左精车右端面及各外圆面:车右端面→倒角→切削螺纹外圆→车φ16㎜外圆→车R3㎜圆弧→车φ22㎜外圆,F80,S800。③切槽,F50,S200。④车螺纹,F50,S250。⑤切断,F50,S200。T01为粗加工刀,选90°外圆车刀,T02为精加工刀,选尖头车刀,T03为切槽刀,刀宽为4㎜,T04为60°螺纹刀。N0005G92X30Z150;N0010G18G00Z2M03S500T0101;N0020X22;N0030G01Z-50F100;粗车外圆得φ22㎜N0040X30;N0050G00Z2;N0060X19;N0070G01Z-32F100;粗车外圆得φ19㎜N0080G91G02X1.5Z-1.5R1.5;粗车圆弧一刀得R1.5㎜N0090G90G00X30;N0100Z2;N0110X17;粗车外圆得φ17㎜N0120G01Z-32F100;N0130G91G02X5Z-2.5R2.5;粗车圆弧二刀得R2.5㎜N0140G90G00X30Z150M05T0100;N0150M03S800T0201;精车刀N0160X0Z2;N0170G01Z0F50;精加工N0180X14;N0190X16Z-1;N0200Z-32;N0210G91G02X6Z-3R3;粗车圆弧三刀得R3mmN0220G90G01X22Z-50;N0230G00X30;N0240Z150M05T0200;N0250M03S200T0301;换切槽刀N0260G00X20Z-19;割槽N0270G01X11F50;N0280X20;N0290G00X30Z150M05T0300;N0300M03T0401;换螺纹刀,调螺纹刀刀偏值N0310G00X16Z5S250M03;至螺纹循环加工起始点N0320G78X15.2Z-17F50;车螺纹循环N0323G78X14.6Z-17;N0325G78X14.2Z-17;N0328G78X14.0Z-17;N0330G00X30Z150M05T0400;N0340M03S200T0301;换切槽刀N0350G00X30Z-49;切断N0360G01X0F50;N0370G00X30Z150;N0380M05;N0390M02;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1.5mm1#刀:内孔刀;2#刀:切槽刀(刀宽为槽宽3mm);3#刀:螺纹刀刀具起始点为(X100,Z50);N0010G92X100Z50;N0020M03S1500;N0030T0101;N0040G00X30N0050G00Z0;N0060G01X55F150;(加工端面)N0070G01X41;N0080G01X38Z-1.5;(倒角1.5×45)N0090G01Z-26;(车削内孔φ38)N0100G03X30Z-30R4F100;(车削内圆弧R4)N0110G01Z-37;(车削内孔φ30)N0120G00X28;(X向退刀)N0130G00Z50M05T0100;(Z向退刀)N0140T0201;(换内孔刀割槽)N0145M03S1500;N0150G00X35;(快速进刀)N0160G00Z-18;(快速进刀)N0170G01X44P2000F150;(割槽)N0180G00X36;(快速退刀)N0190G00Z50M05T0200;(快速退刀)N0200T0301;(换螺纹刀加工螺纹)N0210M03S700;N0220G00X38Z2;(快速进刀)N0230G78X38.8Z-16;(加工螺纹)N0233G78X39.4Z-16;N0236G78X39.8Z-16;N0230G78X40.0Z-16;N0240G00X30;N0250G00Z50;N0260G00X100;N0270M05;N0280M02;变速手柄轴,毛坯为φ25㎜×100㎜棒材,材料为45钢,完成数控车削。N10G50S10000N12G00G97S20T0101N14M03N16M08N18G00X78.854Z5.254N20G00Z-0.293N22G00X68.000N24G01X31.414F5.000N26G01X30.000Z-1.000N28G01Z-10.000F10.000N30G01X48.000N32G18G03X50.000Z-11.000R1.000N34G01Z-23.930N36G01Z-39.046N38G01Z-50.000N40G01X58.000N42G01X56.586Z-49.293F20.000N44G01X68.000N46G00X78.854N48G00Z5.254N50M01N52G50S10000N54G00G97S20T0202N56M03N58M08N60G00X99.774Z-23.684N62G00Z-27.430N64G00X61.800N66G01X49.800F5.000N68G01X41.420F10.000N70G04X0.500N72G01Z-37.546N74G04X0.500N76G01X53.420F20.000N78G00Z-27.430N80G01X41.420F5.000N82G01Z-37.546F10.000N84G04X0.500N86G01X61.800F20.000N88G00X99.774N90G00Z-23.684N92M01N94G50S10000N96G00G97S20T0303N98M03N100M08N102G00X0.481Z26.133N104G00X-9.414Z-0.293N106G01X18.586F5.000N108G01X20.000Z-1.000N110G01Z-20.586F10.000N112G01X0.586Z-30.293N114G01Z-29.293F20.000N116G01X-9.414N118G00X0.481Z26.133N120M09N122M30