数控编程题.doc

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1、编程题答案1.固定循环指令加工图示零件加工程序,并对所用刀具作出说明。程序清单如下:T1号刀90度刀、T2号刀R4的球头形的刀G50X200Z150M03S500T0101G00X44Z5G73U9.5W0R10G73P10Q20U1.0W0F0.2N10G1X12Z2F0.5G1X20Z-2F0.1G1Z-26G1X24Z-28Z-48G1X30Z-83G3X35Z-103G1Z-108N20X44F0.5G70P10Q20G00X200Z150T0100T0202G0X30Z-38G73U5W0R10G73P30Q40U0.2W0F0.2N30G1X24F0.5G2Z-48R5F0.1N4

2、0G1X26F0.5G70P30Q40G0X200Z150M022.二维轮廓零件的数控铣削加工及其编程(1)零件图如下图所示,程序原点位于上表面。(2)刀具选择 立铣刀,答题时请说明刀具直径。(3)安全面高度 20mm。(4)仅需写出二维外轮廓加工程序。程序清单如下:A O1(主)G54G90X94Y50Z10G0M03S800 Z3F1000G1Z-5F30M98P2G90X94Y50Z-10F30M98P3G90Z5F1000Y-10X0G1Z-5F30M98P4G90Z30G0M30O2(子)G1G91X15Y-15F50G90G41X114Y50H01G91Y23G3X-12Y12R1

3、2G1X-16G3X-12Y-12R12G1Y-46G3X12Y-12R12G1X16G3X12Y12R12Y25G40X-15Y15M99O3(子)G68G90X94Y50R45.G91G41X15H01F50Y8G3X-8Y8R8G1X-16G3X8Y-8R8G1Y-16G3X8Y-8R8G1X16G3X8Y8R8G1Y10G40X7Y7G69M99O4(子)G41X6Y40H01F50G91Y10X5Y10X14G3X10Y10R10G1Y4G2X10Y10R10G1X34G2X15Y-15R15Y-58G2X-15Y-15R15G1X-34G2X-10Y10R10G1Y4G3X-10Y

4、10R10G1X-14X-5Y10G40X-7Y14F500M993. 所示零件的毛坯为 72 150 ,试编写加工程序。(10分)程序清单如下:M03S1000G00X0.Z5.T0101G01Z0.F0.1G00X75.Z5.G03X20.Z-10.R10.G90X70.Z-125.F0.25G01W-20.X65.Z-90.X40.W-10.X60.G03X-70.R40X55.G01W-10.X53.X70.W-15.X40.Z-40.G00X80.Z100.X35.Z-35.T0303X30.Z-30.G00X75.Z-130.X25.G01X-2.F0.05X20.G00X100.

5、G00X100.Z100.Z100.T0202M304. 如图所示的槽形零件,其毛坯为四周已加工的铝锭(厚为 20mm ),槽宽 6mm ,槽深 2mm 。试编写该槽形零件加工程序。(15分) 程序清单如下:G54G90G00X0Y0#3=#3+1M03S1200END1G00G43Z30.H01G80X-30.Y10.G91G28Z0G01Z-2.F150M00X0Y30.M03S1000X30.Y10.G43G00Z30.H03Z5.WHILE#3LE#11DO1G00X30.Y-30.#5=#1+#3-1*#2G01Z-2.F150#6=#4*COS#5X-30.#7=#4*SIN#5G

6、00Z30.G98G84 X#6Y#7Z-5.P1.F50G91G28Z0G04P2.M00#3=#3+1S1000M03END1G90G00X0Y0G80G43Z30.H02G91G28Z0#1=30.M30#2=60.#4=20.#11=6.#26=-8.#3=1.WHILE#3LE#11DO1#5=#1+#3-1*#2#6=#4*COS#5#7=#4*SIN#5G98G81X#6Y#7Z#26R3.F605.用数控车床加工如图所示零件,材料为45号钢调质处理,50外圆已经加工到尺寸。毛坯留出外圆和内孔的加工余量均为0.4mm(X向)和O.1mm(Z向)。钻头直径为8mm,螺纹加工用G92

7、指令。X向加工4个90均布孔,使用直径8mm的键槽铣刀加工。工件程序原点如图示。按要求完成零件的加工程序编制。(注:加工程序使用固定循环指令)程序清单如下:00001; M41; G50 S1500: N1; G0G40G99S400T0808M04F0.1; X62.0 Z0; G96 S120; G01 X0; G0 G97 S500 Z50.0;G28 U0 W0 TO M05; N2; G0G40G97G99S800M04T0101F0.02; X0 Z2.0; G74R0.2; G74Z-5.0Q2000 G28 U0 W0 T0 M05; N3; G0G40G97G99S250M0

8、4T0303F0.2; X0 Z2.0; G74R1.0; G74Z-20.0Q3000; G28 U0 W0 TO M05; N4; G0G40G97G99S400M04T0202F0.25 X64.0 Z2.0; G71 U2.0 R0.5; G71 P10 Q11 U0.4 W0.1; N10 G0 G42 X16.0; G01 Z0; X36.0; X40.0 Z-16.O; Z-40.0; X60.0Z-50-0; Z-60.0; N11 G01 G40 X64.0 ;G28 U0 W0 T0 M05; N5; G0G40G97G99S350T0707M04 F0.2; Z16.0Z

9、2.0; G71 U1.5 R0.5; G7l P12 Q13 U-0.4 W0.1; N12 G00 G41 X28.0; G01 Z0; G02 X20.0Z-4.0 R4.0; G01 Z-20.0; X18.0; N13 G01 G40 X16.0; G28 U0 W0 T0 M05; N6; G00G40G97G99S500M04T0404F0.1; X64.0 Z2.0; G96 S150; G70 P10 Q11;G00 G97 X100.0 S500; G28 U0 W0 T0 M50;N7; G00G40G97G99S300M04T1010 F0.1; X16.0 Z2.0:

10、 G96 S120; G70 P10Q11; G00 G97 Z50.0 S300; G28 U0 W0 T0 M05; N8; G00G40G97S250T0505M04F0.05; X42.0Z-20.0;G01 X36.0; G0l X42.0 F0.2; G28 U0 W0 T0 M05; N9; G0G40G97G99S500T0606M04; X42.026.0; G92X39.7 Z-18.0R-3.0F1.5; X39.1; X38.7; X38.6; X38.55;G28 U0 W0 T0 M05; N10; M54; G28 H-30.0; G50C0; G0G40G97G

11、98S700M04T0909;Z-30.0; X42.0; M98 P40010; G28U0W0H0T0M05; M55; M30; O0010; 子程序 G01X30.0 F5; G01X42.0 F20; G00H90.0; M99; 6.图示零件的毛坯尺寸为70110,编写其加工程序。程序清单如下:M03S1000G00X80.Z-50.T0101G01X50.F0.1G00X75.Z0G00X80.Z100.G01X-2.F100T0303G71U3.R1.G00X75.Z-37.5G71P_Q_U0.5W0.5F0.25G01X60.F0.2G00X35.G02X60.Z-62.5

12、R12.5G01Z0.F0.1G00X100.Z100.X60.M30Z-50X75.G70 P_Q_G00X100.Z100.T02027.编写图示零件的加工程序。程序清单如下:G54G90G21G40G49Y25.G00X0Y0M03S1000G03X76.Y7.R18.G43Z-5.H01G01X20.X-30.Y-30.X6.Y21.G01G41X6.Y21.D01F120X-10.Y77.G00G40X-30.Y-30.G02X27.Y95.R18.G91G28X0Y0Z0G01X42.188M30G03X89.812Y95.R36.G01X94.8.毛坯为70mm70mm18mm板

13、材,六面已粗加工过,要求数控铣出如图所示的槽,工件材料45钢。程序清单如下:9.用ISO代码编写如图所示零件的加工程序。程序清单如下: 10. 用ISO代码编写如图所示零件的加工程序。程序清单如下:11. 用ISO代码编写如图所示零件的加工程序。程序清单如下:12.毛坯为120mm60mm10mm板材,5mm深的外轮廓已粗加工过,周边留2mm余量,要求加工出如图所示的外轮廓及20mm的孔。工件材料为铝。程序清单如下:(1)加工20mm孔程序N001 G92 X5 Y5 Z5N002 G91N003 G17 G00 X40 Y30N004 G98 G81 X40 Y30 Z-5 R15 F150

14、N006 M05N007 M02(2)铣轮廓程序N001 G92 X5 Y5 Z50N002 G90 G41 G00 X-20 Y-10 Z-5 D01N003 G01 X5 Y-10 F150N004 G01 Y35 F150N005 G91N006 G01 X10 Y10 F150N007 G01 X11.8 Y0N008 G02 X30.5 Y-5 R20N009 G03 X17.3 Y-10 R20N010 G01 X10.4 Y0N011 G03 X0 Y-25N012 G01 X-90 Y0N013 G90 G00 X5 Y5 Z10N014 G40 N015 M05N016 M3

15、013.如图所示工件,毛坯为25mm65mm棒料,材料为45钢。程序清单如下:N010 G00 Z2 S500 T0101 M03;N020 X11N030 G01 Z-50 F100N040 X15N050 G00 Z2N060 X9.5N070 G01 Z-92 F100N080 G91 G02 X1.5 Z-1.5 I1.5 K0N090 G90 G00 X15N100 Z2N110 X8.5N120 G01 Z-32 F100N130 G91 G02 X2.5 Z-2.5 I2.5 K0N140 G90 G00 X15 Z150N150 T0202N160 X0 Z2N170 G01

16、Z0 F50 S800N180 X7N190 X8 Z-1N200 Z-32N210 G91 G02 X3 Z-3 I3 K0N220 G90 G01 X11 Z-50N230 G00 X15N240 Z150N250 T0303N260 G00 X10 Z-19 S250 M03N270 G01 X5.5 F80N280 X10N290 G00 X15 Z150N300 T0404N310 G00 X8 Z5 S200 M03N320 G86 Z-17 K2 I6 R1.08 P9 N1N330 G00 X15 Z150N340 T0303N350 G00 X15 Z-49 S200 M03N360 G01 X0 F50N370 G00 X15 Z150N380 M0214.用ISO代码编写如图所示零件的加工程序。绝对编程: 增量编程:

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