数控加工编程技术试题库

N30 Z-75

N35 G00 X50 Z50 M05 N40 M02

18. 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。 O0003 N05 T0101 N10M03S500 N15G00X14Z5 N20G01Z0F0.3 N25X18Z-2 N30Z-20 N35X31

N40X34Z-21.5 N45Z-75

N50G00X50Z50M05 N55M02

19.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。 O0004

N10 T0101

N20 S500 M03 N30 G00 X20Z5 N40 G01Z0F0.3 N50 X23.85Z-2 N60 Z-30 N70 X28 N80 Z-65 N90 X32

N100 G00X50Z50M05 N110 T0202 N120 M03S300 N130 G00X30Z-30 N140 G01X18 N150 G04X2 N160 G01X30

N170 G00X50Z50M05 N180 T0303 N190 M03S800 N200 G00X32Z5

N210 G92X22.85Z-27F1.5

N220 X22.25 N230 X22.05 N240 X21.99

N250 G00X50Z50M05 N260 M30

20.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。 O0005

N05 T0101

N10 M03 S500 N20 G00 X32 Z0

N30 M98P20001 N70 G00 X50 N72 Z50 M05

N75 M02 子程序如下： O0001

N05 G01 W-12 F0.1 N10 U-12

N15 G04 X2 N20 G01 U12 N25 W-8 N30 U-12

N35 G04 X2 N40 G01 U12 N50 M99

21. 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。 O0006

N10 T0101

N20 S500 M03 N30 G00 X0 Z5

N40 G01 Z0 F0.1 N50 G03 X28 Z-14 R14 N60 G01 X40 Z-44 N70 Z-59

N80 G02 X50 Z-64 R5

N90 G00 X80 Z50 M05 N100 M02 22. 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。 O0007 T0101 M03S800 G00X45Z5 G71U2R2

G71P10Q20U0.5W0.1F0.3 N10G01X20F0.1 Z0 X24Z-2 Z-20 X25 X30Z-35 Z-40

G03X42Z-46R6 N20G01Z-60 G00X80Z80M05 M00 T0202 M03S1000 G00X45Z5 G70P10Q20 G00X80Z80M05 M30

23. 编写下图零件的粗、精加工程序。工件毛坯直径为45mm,割刀宽度为5mm,工件坐标系原点建在工件右端面中心。 O0008 T0101 M03S500 G00X45Z5 G71U2R2

G71P10Q20U0.5W0.1F0.3 N10G01X20F0.1 Z0

X23.8Z-2 Z-25 X28 X34Z-33 Z-44

G02X42Z-48R4 N20G01Z-60 G00X80Z80M05 M00

M03S1000 G00X45Z5 G70P10Q20 G00X80Z80M05 M00 T0202 M03S350 G00X30Z-25 G01X20F0.1 X30 Z-23 X20 G04X2 G01Z-25 X30

G00X80Z80M05 M00 T0303 M03S500 G00X28Z5

G92X22.8Z-21F2 X22 X21.52 X21.32

G00X80Z80M05 M30

24. 编写下图零件的粗、精加工程序。工件毛坯直径为45mm,割刀宽度为5mm,工件坐标系原点建在工件右端面中心。 O0009 T0101 M03S500 G00X45Z5 G71U2R2

G71P10Q20U0.5W0.1F0.3 N10G01X0F0.1