数控编程例题.docx
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数控编程例题
图示为轴类零件,用刀架前置的数控车床上进行加工,毛坯为φ30x120的圆钢,编制粗、精加工程序。
要求用粗加工固定循环进行粗加工,切削深度为4mm,退刀量为2mm,X方向精加工余量为1mm,Z方向精加工余量为0.5mm。
编程原点如图所示,采用刀具形状位置补偿建立工件坐标系。
主轴转速(r/min)
进给速度(mm/r)
车外圆
400粗加工/650精加工
0.3粗加工/0.15精加工
切槽
315
0.15
车螺纹
200
---
M22x1.5螺纹的小径为:
20.3mm
O0001;
N01T0101M03S400;
N02G00X35Z3;
N03G71U4R2;
N04G71P05Q17U1W0.5F0.3;
N05G00X0S600;
N06G01X0Z0F0.15;
N07G03X14Z-7R7;
N08G01X14Z-15;
N09G01X17.8Z-15;
N10G01X21.8Z-17;
N11G01X21.8Z-33;
N12G01X24Z-33;
N13G01X28Z-45;
N14G01X28Z-50;
N15G02X30Z-60R10;
N16G01X30Z-68;
N17G00X40Z-68;
N18G70P05Q17;
N19G00X100Z200;
N20T0202S315;
N21G00X35Z-33;
N22G01X19Z-33F0.15;
N23G01X35Z-33;
N24G00X100Z200;
N25T0303S200;
N26G00X25Z-12;
N27G92X21Z-31F1.5;
N28G92X20.7Z-31;
N29G92X20.5Z-31;
N30G92X20.3Z-31;
N31G00X100Z200;
N32T0202S315;
N33G00X35Z-68;
N34G01X0Z-68F0.15;
N35G00X100Z200;
N36M02;
2、如图所示的零件,六个外平面已经加工完成,并且凸轮轮廓粗加工也完成,留有1mm余量,现要数控精加工凸轮轮廓,请编制精加工加工程序。
采用φ8立铣刀,编程原点在工件上表面中心处,使用G54对刀。
主轴转速(r/min)
进给速度(mm/min)
铣外轮廓
300
60
O1000;
N01 G54 M03 S300;
N02 G00 G90 G41 X5 Y-30 D01;
N03 G01 Z-3 F60 M08;
N04 G01 X0 Y-30;
N05 G02 X-8.66 Y-25 R10;
N06 G01 X-17.32 Y-10;
N07 G02 X-17.32 Y10 R20;
N08 G01 X-8.66 Y25;
N09 G02 X0 Y30 R10;
N10 G02 X0 Y-30 R30;
N11 G01 X-5 Y-30 M09;
N12 G00 G40 Z30;
M02;
3、
图示为轴类零件,其材料为45钢。
欲在某刀架后置的数控车床上进行精加工,编制精加工程序。
(编程原点规定为O点,采用G50建立工件坐标系)
主轴转速(r/min)
进给速度(mm/r)
车外圆
630
0.15
切槽
315
0.15
车螺纹
200
---
M16x1.5螺纹的小径为:
14.3mm
O0001;
N01G50X80.0Z90.0;
N02S630T0101M03;
N03G00X8.8Z72.0;
N04G01X15.8Z68.5F0.15;
N05G01X15.8Z50.0;
N06G01X17.0Z50.0;
N07G01X20.0Z48.5;
N08G01X20.0Z42.0;
N08G02X20.0Z30.0R10.0;
N09G01X25.0Z15.0;
N10G01X25.0Z10.0;
N11G01X35.0Z10.0;
N12G00X80.0Z90.0M05T0100;
N13T0202;
N14G00X24.0Z50.0S315M03;
N15G01X12.0Z50.0F0.15M08;
N16G04X0.5;
N17G0124.0Z50.0M09;
N18G00X80.0Z90.0M05T0200;
N19T0303;
N20G00X20.0Z76.0S200M03;
N21G92X15.0Z51.5F1.5M08;
N22G92X14.5Z51.5;
N23G92X14.3Z51.5;
N24G00X80.0Z90.0T0300M09;
N27M30;
4、
图示为一盖板零件,已知三孔与两底面已加工完,欲在某数控铣床上精加工外轮廓,编制加工程序。
(编程原点规定为工件上表面A点,采用G54建立工件坐标系)
主轴转速(r/min)
进给速度(mm/min)
铣外轮廓
300
100
O0001
N01G54
N02S300M03;
N03G90G41G00X-10.0Y23.3Z-16.0D01;
N04G01X0Y40.0F100M08;
N05G01X20.2Y75.0;
N06G01X31.7Y75.0;
N07G03X38.0Y77.2R10.0;
N08G02X89.8Y68.4R35.0;
N09G03X140.8Y40.0R60.0;
N10G01X160.0Y40.0;
N11G01X160.0Y0;
N12G01X0Y0;
N13G01X0Y45.0;
N14G00G40X-40.0Z35.0M09;
N15M30;
5、
图示为轴类零件,其材料为45钢,欲在某刀架前置的数控车床上进行加工,毛坯为φ32x120的圆钢,编制粗、精加工程序。
(编程原点规定如图所示,采用刀具形状位置补偿建立工件坐标系,切断刀的宽度为3mm)
主轴转速(r/min)
进给速度(mm/r)
车外圆
400(粗加工)/650(精加工)
0.3(粗加工)/0.15(精加工)
切槽
315
0.15
车螺纹
200
---
M20x1.5螺纹的小径为:
18.4mm
O0001;
N01 T0101 M03 S400;
N02 G00 X35 Z1.5;
N03 G71 U4 R2;
N04 G71 P05 Q17 U2 W0.5 F0.3;
N05 G00 X0 S650 F0.15;
N06 G01 X0 Z0;
N07 G03 X14 Z-7 R7;
N08 G01 X14 Z-15;
N09 G01 X17.8 Z-15;
N10 G01 X21.8 Z-17;
N11 G01 X21.8 Z-33;
N12 G01 X24 Z-33;
N13 G01 X28 Z-45;
N14 G01 X28 Z-50;
N15 G02 X30 Z-60 R10;
N16 G01 X30 Z-68;
N17 G00 X40 Z-68;
N18 G70 P05 Q17;
N19 G00 X100 Z200;
N21 T0202 S315;
N22 G00 X26 Z-33;
N23 G01 X19 Z-33 F0.15;
N24 G01 X26 Z-33;
N25 G00 X100 Z200;
N27 T0303 S200;
N28 G00 X25 Z-12;
N29 G92 X21 Z-31 F1.5;
N30 G92 X20.7 Z-31;
N31 G92 X20.5 Z-31;
N32 G92 X20.4 Z-31;
N33 G00 X100 Z200;
N34 T0300;
N35 M02;
6、
图示为轴类零件,其材料为45钢,欲在某刀架前置的数控车床上进行加工,毛坯为φ85x350的圆钢,请编制粗、精加工程序。
(编程原点规定如图所示,采用刀具形状位置补偿建立工件坐标系,切断刀的宽度为3mm)
主轴转速(r/min)
进给速度(mm/r)
车外圆
400(粗加工)/650(精加工)
0.3(粗加工)/0.15(精加工)
切槽
315
0.15
车螺纹
200
---
M48x1.5螺纹的小径为:
45.8mm
O0001;
N01S650M03T0101;
N02G00X90.0Z292.0;
N03G71U2R1P04Q15X0.5Z0.3F0.3S400;
N04G00X41.8Z292.0S600F0.15;
N05G01X47.8Z289.0;
N06G01U0W-59.0;
N07G01X50.W0;
N08G01X62.0W-60.0;
N09G01U0Z155.0;
N10G01X78.0W0;
N11G01X80.0W-1.0;
N12G01U0W-19.0;
N13G02U0.0W-60.0R70;
N14G01U0Z65.0;
N15G01X90.0W0;
N16G70P04Q15;
N17G00X200.0Z350.0T0100;
N18G00X51.0Z230.0S315T0202;
N19G01X45.0W0F0.16M08;
N20G04X0.2;
N21G00X51.0W0;
N22X200.0Z350.0T0200;
N23G00X52.0Z296.0S200T0303;
N24G92X47.2Z231.5F1.5;
N25G92X46.6Z231.5;
N26G92X46.2Z231.5;
N27G92X45.8Z231.5
N28G00X200.0Z350.0T0300;
N29M30;
7、
如下图所示的零件,六个面已经加工好,现要数控加工内槽,编制加工程序。
采用φ8立铣刀,编程原点在工件上表面中心处,使用G54对刀。
主轴转速(r/min)
进给速度(mm/min)
铣内轮廓
300
300
O0001;
N10 G54;
N20 S300 M03;
N30 G90 G00 X14.0 Y0.0 Z1.0 M08;
N40 G01 Z-4 F50;
N50 G03 X14.0 Y0 I-14.0 J0;
N60 G01 X20.0;
N70 G03 X20.0 Y0 I-20.0 J0;
N80 G41 G01 X25.0 Y0 D01;
N90 G01 Y15.0;
N100 G03 X15.0 Y25.0 R10;
N110 G01 X-15.0;
N120 G03 X-25.0 Y15.0 I0 J-10.0;
N130 G01 Y-15.0;
N140 G03 X-15.0 Y-25.0 I10.0 J0;
N150 G01 X15.0;
N160 G03 X25.0 Y-15.0 I0 J10.0;
N170 G01 Y0;
N180 G00 Z150.0;
N190 G40 X35.0 Y35.0 M09;
N200 M30;
8、
图示为一盖板零件,材料为A3钢。
已知一孔与底面、顶面已加工完,欲在某数控铣床上精加工外轮廓,精加工余量为1mm,立铣刀直径φ10,编制加工程序。
(编程原点规定为工件上表面A点处,采用G54建立工件坐标系)
主轴转速(r/min)
进给速度(mm/min)
铣外轮廓
300
60
O0001;
N01G54;
N02M03S300;
N03G90G41G00X0Y0D01;
N04G00X0Y0Z-7;
N05G01X0Y40F60M08;
N06G02X10Y50R10;
N07G02X40Y20R30;
N08G03X20Y0R20;
N09G01X5Y0;
N10G01X-5Y15;
N11G00G40X-30Y30Z50M09;
N12M30;