《数控加工技术》期末试题1DOC

-1-五、编程(40分)1.编写下图零件的精加工程序,编程原点建在左下角的上表面,用左刀补。O0001G54G00X-10Y-10Z50T01M03S1000F80G43H01G00Z-5G41G01X20Y0D01G01Y62G02X44Y86R24G01X96G03X120Y62R24G01Y40X100Y14X0G40G01X-10Y-10G49G00Z50M05M302.如图所示的“S”字母是由直线和圆弧组成，深为2mm，宽为4mm，用Φ4的刀具，试编程。O0002G54G00X0Y0Z50T01S500M03F100G43H01G00Z30G00X10Y15Z5G01Z-2G03X15Y10R5G01X35G03X40Y15R5G01Y20G03X35Y25R5G01X15G02X10Y30R5G01Y35G02X15Y40R5G01X35G02X40Y35R5G01Z2-2-G00G49Z50G00X0Y0M05.M303.用Φ6的刀具铣如图所示“X、Y、Z”三个字母，深度为2mm，试编程。工件坐标系如图所示，设程序启动时刀心位于工件坐标系的（0，0，100）处，下刀速度为50mm/min，切削速度为150mm/min，主轴转速为1000r/min，编程过程中不用刀具半径补偿功能。O0003G54G00X0Y0Z100T01M03S1000G43H01G00Z5G00X10Y10G01Z-2F50G01X30Y40F150Z2G00X10G01Z-2F50X30Y10F150Z2G00X40Y40G01Z-2F50X50Y25F150Y10Z2G00Y25G01Z-2F50X60Y40F150Z2G00X70G01Z-2F50X90F150X70Y10X90Z2G00X0Y0G49G00Z100M05M304.如图所示，零件上有4个形状、尺寸相同的方槽，槽深2mm，槽宽10mm，未注圆角R5。-3-试用子程序编程。设工件坐标系位于工件左下角的上表面，Ф10的端铣刀具的初始位置（0，0，100）处。编制程序。O0004G54G00X0Y0Z100T01G43H01G00Z50M03S500G00X30Y15Z5M98P0002G00X100Y15M98P0002G00X30Y65M98P0002G00X100Y65M98P0002G00X0Y0G49G00Z100M05M30O0002G91G01Z-7F100Y30X50Y-30X-50Z7G90M995.编写下图零件的精加工程序,编程原点建在工件左下角上表面处。工件厚度为2mm。O0005G54G00X-10Y-10Z100T01M03S500G43G00Z5H01G01Z-2F100G41G01X0Y-5D01Y40X40Y60-4-G02X80Y20R40G02X60Y0R20G01X-5G40G00X-10Y-10G49G00Z100M05M306.编写下图零件外轮廓的精加工程序,编程原点建在中心上表面处,工件厚度为5mm.O0006G54G00X-130Y-70Z100T01M03S1000G43G00Z5H01G01Z-5F100G41G01X-120Y-65D01Y60X-80G03X-30Y60R25G01Y80G02X30Y80R30G01Y60G03X80Y60R25G01X120Y-20X50Y-60X-125G40G01X-130Y-70G49G00Z100M05M307.编写下图零件内轮廓的精加工程序,刀具半径为8mm,编程原点建在工件中心上表面，用左刀补加工。00007N05G54G00X0Y0Z100T01N10M03S500G00G43H01Z5G01Z-5F100-5-G41G01X40Y0D01F200Y30X-40Y-30X40Y2G40G01X0Y0G49G00Z100M05M308.编写下图零件内轮廓的精加工程序,编程原点建在工件中心上表面，用右刀补。00008G54G00X0Y0Z100T01M03S1000G43H01G00Z5G01Z-5F100G42G01X0Y15D01X20G02X20Y-15R15G01X-20G02X-20Y15R15G01X2G40G00X0Y0G49G00Z100M05M309、用直径为6mm铣刀铣出下图所示的三个字母，深度为2mm，试编程。（编程坐标原点设在平板的左下角上表面处，编程过程中不用刀具半径补偿功能。）O0009N0010G54X0Y0Z100N0015T01N0020M03S1000N0025G43H01G00Z2N0030X15Y35N0040G01Z-2F60N0050X45F100N0060G03X45Y55I0J10N0070G01X15-6-N0080Y15N0090X45N0100G03X45Y35I0J10N0110G00Z2N0120X110Y35N0130G01Z-2F60N0140G03X110Y35I-20J0F100N0150G00Z2N0160X125Y25N0170G01Z-2F60N0180G03X135Y15I10J0F100N0190G01X155N0200G03X155Y35I0J10N0210G01X135N0220G02X135Y55I0J10N0230G01X155N0240G02X165Y45I0J-10N0250G49G00Z100N0260X0Y0N0270M3010、(1)使用R利用绝对值编程和相对值编程编制下图中圆弧a和圆弧b的程序。(2)使用I,J利用绝对值编程和相对值编程编制下图中圆弧a和圆弧b的程序(1)圆弧aG90G02X0Y30R30F300G91G02X30Y30R30F300圆弧bG90G02X0Y30R-30F300G91G02X30Y30R-30F300(2)圆弧aG91G02X30Y30I30J0F300G90G02X0Y30I30J0F300圆弧bG91G02X30Y30I0J30F300G90G02X0Y30I0J30F30011、某零件的外形轮廓如图所示，厚度为2mm。刀具：直径为12mm的立铣刀,安全平面距离零件上表面5mm，轮廓外形的延长线切入切出。要求：用刀具半径补偿功能手工编制精加工程序。参考程序如下-7-O0011G54G00X10Y-10Z100T01M03S1000G43G00Z5H01G01Z-2F100G42G01X0Y-5D01Y50G02X-50Y100R50G01X-100X-110Y40X-130G03X-130Y0R20G01X5G40G01X10Y-10G49G00Z100M05M3012.如图所示零件上有两排形状尺寸相同的正方形凸台，高5mm，试用子程序编写精加工程序。O0012G54G00X0Y0Z50T01G43H01G00Z5M03S500M98P30001G00X0Y60M98P30001G00X0Y0G49G00Z50M05M30O0001G91G01Z-10F100G41G01X20Y10D01Y40X30Y-30X-40G40G01X-10Y-20-8-G00Z10X50G90M9913.如图所示零件上有4个形状尺寸相同的凸起，高2.5mm，试用镜像指令编程。O0013G54G00X0Y0Z50.0M03S1000F150G00Z2.0M98P0004G51X0Y0I-1000J1000M98P0004G51X0Y0I-1000J-1000M98P0004G51X0Y0I1000J-1000M98P0004G50G00Z50.0M30O0004G41G01X10.0Y10.0Z-2.5Y30.0X20.0G03X30.0Y20.0R10.0G01Y10.0X10.0G40G01X0Y0G00Z2.0M9914.用Ф4mm的刀具刻如图所示形状，深2mm，试用旋转指令编程。O0014G54G00X0Y0Z50.0M03S500F150G00Z2.0M98P0056G68X0Y0R90.0-9-M98P0056G68X0Y0R180.0M98P0056G68X0Y0R270.0M98P0056G69G00Z50.0M30O0056G01Z-2.0X60.0Y16.0G02X16.0Y60.0R44.0G01X0Y0G00Z2.0M9915.用Φ10的钻头钻图所示四孔，若孔深为10mm用G81指令，试用循环方式编程。设工件坐标系原点在工件上表面图，刀具的初始位置位于工件坐标系的（0，0，100）处，编写程序。O0015G54G00X0Y0Z100T01M03S800G43G00Z50H01G91G98G81X20Y10Z-15R-45K4F100G80G90G00X0Y0G49G00Z100M05M3016..编写下图零件的精加工程序。工件坐标系原点建在工件右端面中心。O0001N05T0101N10M03S800N15G00X14Z5N20G01Z0F0.1N25X16Z-1N30Z-15N35G03X26Z-20R5N40G01Z-27-10-N45G02X34Z-35R10N50G01Z-50N60G00X50Z50M05N65M0217.编写下图零件的精加工程序。工件坐标系原点建在工件右端面中心。O0002N05T0101N10M03S500N15G00X18Z5N20G01Z-20F0.3N25X34N30Z-75N35G00X50Z50M05N40M0218.编写下图零件的精加工程序。工件坐标系原点建在工件右端面中心。O0003N05T0101N10M03S500N15G00X14Z5N20G01Z0F0.3N25X18Z-2N30Z-20N35X31N40X34Z-21.5N45Z-75N50G00X50Z50M05N55M0219.编写下图零件的精加工程序。割刀宽度为5mm,工件坐标系原点建在工件右端面中心。O0004N10T0101N20S500M03N30G00X20Z5N40G01Z0F0.3N50X23.85Z-2N60Z-30N70X28N80Z-65-11-N90X32N100G00X50Z50M05N110T0202N120M03S300N130G00X30Z-30N140G01X18N150G04X2N160G01X30N170G00X50Z50M05N180T0303N190M03S800N200G00X32Z5N210G92X22.85Z-27F1.5N220X22.25N230X22.05N240X21.99N250G00X50Z50M05N260M3020.用子程序编写下图零件的加工程序。工件毛坯直径为30mm,用2mm宽的割刀，工件坐标系原点建在工件右端面中心。O0005N05T0101N10M03S500N20G00X32Z0N30M98P20001N70G00X50N72Z50M05N75M02子程序如下：O0001N05G01W-12F0.1N10U-12N15G04X2N20G01U12N25W-8N30U-12N35G04X2N40G01U12-12-N50M9921.编写下图零件的精加工程序。工件坐标系原点建在工件右端面中心。O0006N10T0101N20S500M03N30G00X0Z5N40G01Z0F0.1N50G03X28Z-14R14N60G01X40Z-44N70Z-59N80G02X50Z-64R5N90G00X80Z50M05N100M0222.编写下图零件的粗、精加工程序。工件毛坯直径为45mm,工件坐标系原点建在工件右端面中心。O0007T0101M03S800G00X45Z5G71U2R2G71P10Q20U0.5W0.1F0.3N10G01X20Z0F0.1X24Z-2Z-20X25X30Z-35Z-40G03X42Z-46R6N20G01Z-60G00X80Z80M05M00T0202M03S1000G00X45Z5G70P10Q20G00X80Z80M05M30