利用直径为Φ10mm的麻花钻执行G81 X0 Y0 R5 Z-20 F50指令后,加工孔的有效深度为()。
A.20 mm
B.17mm
C.15mm
D.5mm
A.20 mm
B.17mm
C.15mm
D.5mm
………:
G90 G00 X0 Y0 Z100.;
Z20.;
N0024 G98 G81 Z-5.R18.F100.:
X30.Y30.;
X-30.Y30.;
X-30.Y-30.;
X30.Y-30.;
N0034 G90 G80 G00;
………;
如果把N0024中钻孔循环改为啄钻循环,使用的指令应该是( )。
A.G81 B.G83 C.G84 D.G76
A、G91 G81 X80.0 Y90.0 Z-10.0 F50
B、G90 G81 X80.0 Y90.0 Z-10.0 R1.0 F50
C、G91 G81 X80.0 Y90.0 Z10.0 R1.0 F50
D、G90 G81 X80.0 Y90.0 Z10.0 R5.0 F50
A、G85X50Y50Z-10R0F50
B、G81X50Y50Z-10R0F50
C、G81X50Y50Z-10R5F50
D、G83X50Y50Z-10R5F50
A. G85 X30 Y30 Z5 R15 Q4 F50
B. G81 X30 Y30 Z5 R20 Q4 F50
C. G81 X30 Y30 Z5 R15 Q4 F50
D. G83 X30 Y30 Z5 R20 Q4 F50
B、G81X50.0Y50.0Z-10.0R0F50
C、G81X50.0Y50.0Z-10.0R5.0F50
D、G83X50.0Y50.0Z-10.0R5.0F50
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