“创业杯”数控车床技能大赛试题1

“创业杯”数控车床技能大赛试题1.doc

“创业杯”数控车床技能大赛试题1

用数控车床完成图所示零件的加工，此零件为配合件，件1与件2相配，配合锥面用涂色法检查，要求锥体接触面积不小于50%，零件材料为45钢。

“创业杯”数控车床技能大赛试题1.doc

车床评分标准

“创业杯”数控车床技能大赛试题1.doc

各工序刀具的切削参数

“创业杯”数控车床技能大赛试题1.doc

参考程序：

O1001;（件1程序—车小头）

N0010 G97 G99 G40 S800 M03 T0101; N0020 G00 X80.0 Z50.0; N0030 G00 X51.0 Z2.0; N0040 G71 U3.0 R0.8;

N0050 G71 P60 Q180 U0.4 W0.2 F0.3; N0060 G01 X0 F0.1; N0070 Z0;

N0080 G03 X20.0 Z-10.0 R10.0; N0090 G01 Z-26.5; N0100 X24.0;

N0110 X27.0 Z-28.0; N0120 Z-49.5; N0130 X32.0;

N0140 G03 X36.0 Z-51.5 R2.0; N0150 G01 Z-64.5; N0160 X43.0;

N0170 X46.0 Z-66.0; N0180 Z-77.0;

N0190 G00 X80.0 Z50.0;

N0200 G97 G99 G40 S1000 M03 T0202; N0210 G00 X51.0 Z2.0; N0220 G70 P60 Q180; N0230 G00 X80.0 Z50.0;

N0240 G97 G99 G40 S200 M03 T0303; N0250 G00 X38.0 Z-49.5; N0260 G01 X23.0 F0.1; N0270 G04 X4.0; N0280 G01 X38.0;

N0290 G00 X80.0 Z50.0;

N0300 G97 G99 G40 S300 M03 T0404; N0310 G00 X29.0 Z-24.5;

N0320 G92 X26.2 Z-46.5 F1.5; N0330 G92 X25.6 Z-46.5 F1.5; N0340 G92 X25.2 Z-46.5 F1.5; N0350 G92 X25.04 Z-46.5 F1.5; N0360 G00 X80.0 Z50.0; N0370 M30;

“创业杯”数控车床技能大赛试题1.doc

O1002; （件1程序—车大头）

N0010 G97 G99 G40 S600 M03 T0101; N0020 G00 X51.0 Z32.5; N0030 G01 X0 F0.2; N0040 Z34.5.0; N0050 G00 X51.0; N0060 G71 U3.0 R0.8

N0070 G71 P80 Q110 U0.4 W0.1 F0.3; N0080 G01 G42 X28.9 F0.1; N0090 X36.827 Z14.681;

N0100 G02 X46.0 Z10.0 R6.0; N0110 G01 X51.0;

N0120 G00 X80.0 Z120.0;

N0130 G97 G99 G40 S1000 M03 T0202; N0140 G00 X51.0 Z34.5; N0150 G70 P80 Q110; N0160 G00 X80.0 Z120.0;

N0170 G97 G99 G40 S600 M03 T0505; N0180 G00 X18.0 Z34.5;

N0190 G90 X23.0 Z12.5 F0.3; N0200 S1000 M03; N0210 G01 X27.0 F0.1; N0215 Z32.5;

N0220 X24.016 Z31.0; N0230 Z12.5 ; N0240 X18.0;

N0250 G00 Z120.0; N0260 X80.0; N0270 M30;

“创业杯”数控车床技能大赛试题1.doc

O0003; （件2程序）

N0010 G97 G99 G40 S600 M03 T0101; N0020 G00 X80.0 Z50.0; N0030 G00 X51.0 Z2.0; N0040 G71 U3.0 R0.6;

N0050 G71 P60 Q70 U0.4 W0.2 F03; N0060 G01 X46.0 F0.1; N0070 Z-55.0;

N0080 G00 X80.0 Z120.0;

N0090 G97 G99 G40 S1000 M03 T0202; N0100 G00 X51.0 Z2.0; N0110 G70 P60 Q70;

N0120 G00 X80.0 Z120.0;

N0130 G97 G99 G40 S1000 M03 T0505; N0140 G00 X23.0 Z2.0 N0150 G71 U3.0 R0.6;

N0160 G71 P170 Q220 U0.4 W0.2 F0.3; N0170 G01 G41 X46.0 F0.1; N0180 Z0;

N0190 G02 X36.932 Z-4.67 R6.0; N0200 G01 X29.6 Z-23.0; N0210 X26.0 Z-24.5; N0220 Z-55.0; N0230 S1000 M03; N0240 G70 P170 Q220;

N0250 G97 G99 G40 S200 M03 T0606; N0260 G00 X24.0 Z10.0; N0270 Z-21.0;

N0280 G92 X26.3 Z-48.0 F1.5; N0290 G92 X26.9 Z-48.0 F1.5; N0290 G92 X27.3 Z-48.0 F1.5; N0290 G92 X27.47 Z-48.0 F1.5; N0300 G00 Z120.0; N0310 X80.0;

N0320 G97 G99 G40 S200 M03 T0404; N0330 G00 X47.0Z-46.0; N0340 G01X24.0F0.1; N0350 G00X80.0Z120.0 N0360 M30;

“创业杯”数控车床技能大赛试题1.doc

“创业杯”数控车床技能大赛试题2

用数控车床完成图所示零件的加工，毛坯为Φ70×125㎜的棒料。

“创业杯”数控车床技能大赛试题1.doc

车床评分标准

“创业杯”数控车床技能大赛试题1.doc

各工序刀具的切削参数

参考程序

（说明：工件 15内孔用手动钻削。） 车削大端程序：

O0016

N1 G97G99G21G40;

N2 M03S600T0101; (内孔车刀) N3 G00X10.0Z5.0M08; N4 G90X21.0Z-38.0F0.2; N5 X25.0; N6 X26.5; N7 X27.4;

N8 G00X80.0Z100.0T0202; （内槽切刀）

“创业杯”数控车床技能大赛试题1.doc

N9 X24.0Z5.0; N10 Z-38.0;

N11 G01X32.0F0.1; N12 G04X1.0; N13 G00X24.0; N14 Z100.0;

N15 X80.0T0303; （外园粗车刀） N16 G00X76.0Z5.0; N17 G71U2.0R0.5;

N18 G71P19Q25U1.0W0.5F0.25; N19 G00X33.0M03S800; N20 G01X45.0Z-1.0F0.1; N21 Z-25.0; N22 X63.0;

N23 X65.0Z-26.0; N24 Z-50.0; N25 X75.0;

N26 G00X80.0Z100.0T0404; （外园精车刀） N27 X76.0Z5.0; N28 G70P19Q25;

N30 G00X80.0Z100.0T0505; （内螺纹车刀） N31 M03S400;

N32 G00X20.0Z5.0;

N33 G92X27.8Z-33.0F2.0; N34 X28.3; N35 X28.8; N36 X29.3; N37 X29.7; N38 X29.9; N39 X30.0;

N40 G00X80.0Z100.0M09; N41 M05; N42 M30;

车削小端程序： O0018

N1 G97G99G21G40;

N2 M03S500T0303; (外园粗车刀) N3 G00X76.0Z5.0M08; N4 G71U2.0R0.5;

“创业杯”数控车床技能大赛试题1.doc

N6 G00G42X6.0Z5.0M03S800; N7 G01 X30.0Z-2.0F0.1; N8 Z-30.0; N9 X35.0; N10 Z-47.0;

N11 G02X51.0Z-55.0R8.0; N12 G01X58.0Z-76.0; N13 X63.0;

N14 X65.0Z-76.0; N15 X75.0;

N16 G00G40X80.0Z100.0T0404; （外园精车刀） N17 X76.0Z5.0; N18 G70P6Q15;

N19 G00X80.0Z100.0T0101; （车槽刀） N20 X40.0Z-30.0M03S500; N21 G01X25.0F0.1; N22 G04X1.0; N23 G00X40.0;

N24 X80.0Z100.0T0202; （外螺纹车刀） N25 M03S400;

N26 G00X40.0Z5.0;

N27 G92X29.4Z-27.5F2.0; N28 X28.8; N29 X28.2; N30 X27.8; N31 X27.5; N32 X27.4; N33 X27.35;

N34 G00X80.0ZZ100.0M09; N35 M05; N36 M30;

“创业杯”数控车床技能大赛试题1.doc

“创业杯”数控车床技能大赛试题3

用数控车床完成图示零件的加工，此零件为配合件，配合锥面用涂色法检查，要求锥体接触面积不小于50%，零件材料为45钢。

“创业杯”数控车床技能大赛试题1.doc

评分标准

“创业杯”数控车床技能大赛试题1.doc

各工序刀具的切削参数

“创业杯”数控车床技能大赛试题1.doc

参考程序

O0001 (大件左端程序)

N10 G21 G40 G97 G99 M03 S500 T0101; N20 G00 X60.0 Z10.0 M08; N30 G71 U2.0 R1.0;

N40 G71 P50 Q180 U0.3 W0.2 F0.2; N50 G00 G42 X26.0 ; N60 G01 Z0.0;

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