大学考试试卷数控加工工艺与编程及参考答案

评分标准： 3.

参考答案： O0001

G54G00 X0 Y0 Z30.0

G90 G00 X–75.0 Y–50.0 S1000 M03 Z?2.0

G01Y30.0 F600 X–35.0

G03 X–15.0 R10.0 G01 Y40.0

G02 X15.0 R15.0 G01 Y30.0

G03 X35.0 R10.0 G01 X75.0 G09 Y–10.0 X45.0 Y–30.0 X-90.0 G00Z30.0 X0Y0 M05 M30 解题方案：

评分标准： 4.

参考答案： 00001;

S800 M03;

T0101;(外圆车刀) G0 Z2.0 X32.0 M8; G73 U2.5 R8;

G73 P10 Q11 U1.0 W0.1 F100; N10 G0 X0; G1 Z0; X20.0; Z-23.3; X22.0;

G2 Z-53.7 R30; Z-83.0;

G3 X32.0 Z-88 R5; X-28.0;

N11 Z-110.0; G0X150.0; Z150.0; M0;

G50 S2000; G96 S120; T0101; G0 Z2.0 X20.0 M8;

G70 P10 Q11 F0.1; G0 X100.0; Z100.0;

T0202;（切槽刀） S400 M03; G0 Z-23.3; X24.0;

G1 X18.0 F20; G04 X1.0; G0 X24.0; Z66.9;

G1 X18.0 F20; G04 X1.0; G0 X100.0; Z200.0; S200 M03;

T0303;（螺纹车刀） G0 Z2.0; X22.0;

G92 X19.8 Z-21.0 F1.5; X19.4; X19.0; X18.8; X18.6; X18.45; X18.4; G28 U0 W0; M30;

解题方案：

评分标准：