创业杯数控车床技能大赛试题(DOC 15页)

“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。车床评分标准准考证号操作时间240min得分试题编号2系统类型序号考核项目考核内容及要求评分标准配分检测结果扣分得分备注1工件1M27×1.5-6g超差不得分62R6超差不得分35倒角(2处)错、漏1处扣1分2697±0.05每超差0.01扣1分27Ø46-0.025IT每超差0.01扣1分38Ra3.2每降1级扣1分29Ø24+0.033IT每超差0.01扣1分310Ra1.6每降1级扣1分2Ø20-0.033IT每超差0.01扣1分3Ra1.6每降1级扣1分211Ø36±0.012IT每超差0.01扣1分312Ra1.6每降1级扣1分2Ø29.6超差不得分25超差不得分4Ø23超差不得分220超差不得分222.5超差不得分215超差不得分223超差不得分264.5超差不得分3锥度1:5超差不得分413工件2Ø46+0.025IT每超差0.01扣1分314Ra1.6每降1级扣1分2Ø29.6超差不得分215M27×1.5-6H超差不得分616锥度1:5超差不得分41723每超差0.01扣1分21897±0.1每超差0.01扣1分320R6超差不得分321倒角错、漏不得分122配合螺纹配合超差不得分4锥度配合超差不得分4安全文明生产1.遵守机床安全操作范围2.刀具,工具,量具放置规范3.设备保养、场地整洁酌情扣15分3工艺合理1.工件定位,夹紧及刀具选择合理2.加工顺序及刀具轨迹路线合理酌情扣15分3程序编制1.指令正确,程序完整2.数值计算正确,程序编写表现出一定的技巧,简化计算和加工程序3.刀具补偿功能运用正确,合理4.切削参数,坐标系选择正确.酌情扣15分4其他项目发生重大事故(人身和设备安全事故等),严重违反工艺原则和情节严重的野蛮操作等,由裁判长决定取消其实操竞赛资格记录员监考人检验员考评人各工序刀具的切削参数序号加工面刀具号刀具类型主轴转速n/r.min-1进给速度vf/mm.r-1件11粗车小端外形T1930菱形外圆车刀8000.32精车外形T210000.13切退刀槽T3b=5切槽刀2000.14车外螺纹T460º外螺纹车刀3001.55调头装夹钻孔Ø20麻花钻500手动粗车大端外形T1930菱形外圆车刀8000.36精车大端外形T210000.17粗镗内孔T5内孔镗刀6000.38精镗内孔10000.1件29钻孔Ø20麻花钻500手动10粗车外形T1930菱形外圆车刀8000.311精车外形T210000.112粗镗内孔T5内孔镗刀6000.313精镗内孔10000.114车内螺纹T660º内螺纹车刀2001.5参考程序：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;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 R0.8N0070 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;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 Z2.0N0150 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 G00X80.0Z120.0N0360 M30;“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70×125的棒料。车床评分标准准考证号操作时间300min得分试题编号2系统类型序号考核项目考核内容及要求评分标准配分检测结果扣分得分备注1直径Ø65-0.019超差不得分62Ø45-0.017超差不得分63Ø35-0.027-0.01超差不得分64Ø58超差不得分25Ø51超差不得分26Ø32超差不得分27Ø25超差不得分28Ø15超差不得分29长度120±0.1超差不得分41025超差不得分41175超差不得分41255±0.05超差不得分41330(两处)1处超差扣2分4145(外槽宽)超差不得分2158(内槽宽)超差不得分216半径R8±0.05超差不得分517螺纹M30×2-6g(两处)1处超差扣7分1418倒角1(2)×450(六处)1处超差扣1分619表面Ra0.8(3处)1处超差扣2分620Ra1.6(3处)1处超差扣1分321Ra3.21处超差扣1分322安全文明生产1.遵守机床安全操作范围2.刀具,工具,量具放置规范3.设备保养、场地整洁酌情扣15分323工艺合理1.工件定位,夹紧及刀具选择合理2.加工顺序及刀具轨迹路线合理酌情扣15分324程序编制1.指令正确,程序完整2.数值计算正确,程序编写表面出一定的技巧,简化计算和加工程序3.刀具补偿功能运用正确,合理4.切削参数,坐标系选择正确,合理酌情扣15分5其他项目发生重大事故(人身和设备安全事故等),严重违反工艺原则和情节严重的野蛮操作等,由裁判长决定取消其实操竞赛资格记录员监考人检验员考评人各工序刀具的切削参数数控加工工序(工步)卡零 件 图 号零 件 名 称材 料使 用 设 备轴45钢工步号工 步 内 容刀具号刀具名称刀具规格主轴转速(rpm)进给速度(mm/r)刀具半径补偿号刀具长度补偿号备注1(车大端)手动进给钻Ø15孔钻头Ø15mm2车内螺纹底孔至Ø27.4T0101内孔车刀5000.23车内退刀槽T0202内槽切刀刀宽8mm5000.14粗车Ø65、Ø45外圆及端面、倒角T0303外圆粗车刀930右偏刀6000.255精车Ø65、Ø45外圆及端面T0404外圆精车刀930右偏刀8000.16车内螺纹M30×2T0505内螺纹车刀600螺纹刀40078(调头、车小端)9粗车Ø34、R8圆弧、圆锥面T0303外圆粗车刀930右偏刀5000.2510螺纹外圆面、端面、倒角等11精车Ø34、R8圆弧、圆锥面、螺纹T0404外圆精车刀930右偏刀8000.112外圆面、端面13车外螺纹退刀槽5×Ø25T0101外槽切刀刀宽5mm4000.114车M30×2螺纹T0202外螺纹切刀600螺纹刀400151617参考程序（说明：工件15内孔用手动钻削。）车削大端程序：O0016N1 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）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：O0018N1 G97G99G21G40;N2 M03S500T0303; (外园粗车刀)N3 G00X76.0Z5.0M08;N4 G71U2.0R0.5;N5 G71P6Q15U1.0W0.5F0.25;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。评分标准准考证号操作时间300min得分试题编号2系统类型序号考核项目考核内容及要求评分标准配分检测结果扣分得分备注1280 -0.02件1超差不得分62420 -0.02(两处)件1超差不得分63480 -0.03件1超差不得分64350 -0.02件1超差不得分65S52±0.03件1超差不得分46M24件1、件2配合超差不得分8720±0.2件1超差不得分2812±0.2件1超差不得分29150±0.3件1超差不得分21028+0.03 0件2超差不得分61135+0.03 0件2超差不得分612520 -0.03件2超差不得分61320±0.02件2超差不得分51460±0.02件2超差不得分515倒角1×45º（6处）件1、件1316倒角2×45º件10.517倒角2×45º（2处）件20.518Ra1.6共11处5.519配作（间隙1+0.05）超差不得分8.520安全文明生产1.遵守机床安全操作范围2.刀具,工具,量具放置规范3.设备保养、场地整洁酌情扣15分321工艺合理1.工件定位、夹紧及刀具选择合理 2.加工顺序及刀具轨迹路线合理酌情扣15分322程序编制1.指令正确,程序完整2.数值计算正确,程序编写表面出一定的技巧,简化计算和加工程序3.刀具补偿功能运用正确,合理4.切削参数,坐标系选择正确,合理酌情扣15分6其他项目发生重大事故(人身和设备安全事故等),严重违反工艺原则和情节严重的野蛮操作等,由裁判长决定取消其实操竞赛资格记录员监考人检验员考评员各工序刀具的切削参数数控加工工序(工步)卡零 件 图 号零 件 名 称材 料使 用 设 备45#钢CKD6140D工步号工 步 内 容刀具号刀具名称刀具规格主轴转速进给速度刀具半径补偿号刀具长度补偿号备注1280 -0.02、35+ -0.05、420 -0.02、 480 -0.03外径T01外圆粗车93°500r/min0.2mm/r01012280 -0.02、35+ -0.05、420 -0.02、 480 -0.03外径T02外圆精车55°1000r/min0.1mm/r02023350 -0.02、420 -0.02、外径T01外圆粗车93°500r/min0.2mm/r01014350 -0.02、420 -0.02、外径T02外圆精车55°1000r/min0.1mm/r02025R26、 S52±0.03T02外圆精车55°500r/min0.2mm/r02026R26、 S52±0.03T02外圆精车55°1000r/min0.1mm/r020275×2槽T03切槽刀刃宽5mm300r/min0.15mm/r03038M24T04三角外螺纹刀60º500r/min04049520 -0.03T01外圆粗车93°500r/min0.2mm/r010110520 -0.03T02外圆精车55°1000r/min0.1mm/r02021121钻头500r/min1228+0.03 0T05镗刀55°500r/min0.2mm/r05051328+0.03 0T05镗刀55°1000r/min0.1mm/r05051435+0.03 0T05镗刀55°500r/min0.2mm/r05051535+0.03 0T05镗刀55°1000r/min0.1mm/r050516M24T06三角内螺纹刀60º500r/min0606参考程序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;N70 G01 X27.99 Z-1.0;N80 G01 W-8.0;N90 X31.0;N100 X35.0 W-20.0;N110 X40.0;N120 X41.99 W-1.0;N130 W-20.0;N140 X46.0;N150 X47.985 W-1.0;N160 Z-58.0;N170 X52.0;N180 Z-155.0;N190 G00 X70.0 Z50.0;N200 G21 G40 G97 G99 M03 S1000 T0202;N210 G00 X60.0 Z10.0;N220 G70 P50 Q180 F0.1;N230 G00 X70.0 Z50.0;N240 G21 G40 G97 G99 M03 S300 T0303;N250 G00 X60.0 Z-155.0;N260 G01 X4.0 F0.15;N270 G01 X60.0;N280 G00 Z50.0 M05;N290 M09;N300 M30;O0002 (大件右端程序)N10 G21 G40 G97 G99 M03 S500 T0101;N20 G00 X60.0 Z10.0 M08;N30 G71 U2.0 R1.0;N40 G71 P50 Q150 U0.3 W0.2 F0.2;N50 G42 G00 X20.0;N60 G01 Z0.0;N70 X23.7 Z-2.0;N80 Z-20.0;N90 X33.0;N100 X34.99 W-1.0;N110 W-12.0;N120 X40.0;N130 X41.99 W-1.0;N140 W-20.0;N150 X52.0;N160 G00 X60.0 Z50.0;N170 G21 G40 G97 G99 M03 S1000 T0202;N180 G00 X60.0 Z10.0;N190 G70 P50 Q150 F0.1;N200 G00 X60.0 Z50.0;N210 G21 G40 G97 G99 M03 S500 T0202;N220 G00 X60.0 Z-52.0;N230 G73 U6.0 W2.0 R3;N240 G73 P250 Q280 U0.3 W0 F0.2;N250 G01 G42 X48.0;N260 G03 X48.0 Z-72.0 R26.0;N270 G02 X48.0 Z-92.0 R26.0;N280 G01 X60.0;N290 G00 Z50.0;N300 G21 G40 G97 G99 M03 S1000 T0202;N310 G00 X60.0 Z-52.0;N320 G70 P250 Q280 F0.1;N330 G00 X60.0 Z50.0;N340 G21 G40 G97 G99 M03 S300 T0303;N350 G00 X30.0 Z-20.0;N360 G01 X20.0 F0.15;N370 G04 X3.0;N380 G01 X30.0 F0.15;N390 G00 X60.0 Z50.0;N400 G21 G40 G97 G99 M03 S500 T0404;N410 G00 X30.0 Z5.0;N420 G92 X22.8 Z-16.0 F3.0;N430 X22.1;N440 X21.5;N450 X21.1;N460 X20.7;N470 X20.3;N480 X20.1;N490 G00 X60.0 Z50.0 M05;N500 M09;N510 M30;小工件先打中心孔、 钻2180的孔。O0003N10 G21 G40 G97 G99 M03 S500 T0101;N20 G00 X60.0 Z10.0 M08;N30 G71 U2.0 R1.0;N40 G71 P50 Q80 U0.2 W0.2 F0.2;N50 G00 X48.0;N60 G01 Z0.0;N70 X51.85 Z-2.0;N80 Z-65.0;N90 G00 X60.0 Z50.0 ;N100 G21 G40 G97 G99 M03 S1000 T0202;N110 G00 X60.0 Z10.0;N120 G70 P50 Q80 F0.1;N130 G00 X60.0 Z50.0 ;N140 G21 G40 G97 G99 M03 S500 T0505;N150 G00 X10.0 Z10.0;N160 G71 U2.0 R1.0;N170 G71 P180 Q240 U-0.3 W0.2 F0.2;N180 G41 G00 X35.0;N190 G01 Z0.0;N200 X31.0 Z-20.0;N210 X28.0;N220 W-10.0;N230 G01 X24.0;N240 X20.0 W-2.0;N250 G00 X60.0 Z50.0;N260 G21 G40 G97 G99 M03 S1000 T0505;N270 G00 X10.0 Z10.0;N280 G70 P180 Q240 F0.1;N290 G00 X60. Z50.0 ;N300 G21 G40 G97 G99 M03 S300 T0303；N310 G00 X60.0 Z-65.0;N320 G01 X4.0 F0.15;N330 G01 X60.0;N340 Z50.0 M05;N350 M09;N360 M30;O0004 （小件调头镗孔、内螺纹程序）N10 G21 G40 G97 G99 M03 S500 T0505;N20 G00 X10.0 Z10.0 M08;N30 G71 U2.0 R1.0 ;N40 G71 P50 Q100 U-0.3 W0.2 F0.2;N50 G41 G00 X37.0;N60 G01 Z0.0;N70 X35.015 Z-1.0;N80 Z-10.0;N90 X24.0;N100 X21.0 W-2.0;N110 G00 X60.0 Z50.0;N120 G21 G40 G97 G99 M03 S1000 T0505;N130 G00 X10.0 Z10.0;N140 G70 P50 Q100 F0.1;N150 G00 X50.0 Z50.0;N160 G21 G40 G97 G99 M03 S500 T0404;N170 G00 X10.0 Z-8.0;N180 G92 X21.96 Z-31.0 F3.0;N190 X22.66;N200 X23.26;N210 X23.66;N220 X24.06;N230 X24.46;N240 X24.66;N250 G00 Z50.0;N260 X50.0 M05;N270 M09;N280 M30;