数控车床编程车半圆求怎么编啊，求大神指点啊。比如车一个外圆为30大？方管弯半圆视频
G99 T0101 M3S1500
G0G42X30.Z2.
G71U2R0.5
G71P1Q2U0W0F0.18
N1G0X0.
G1Z0.
G03X30.W-15.R15
N2G1U0.5
G40G0X100.Z100.
M30
G99T0101M3S1500G0G42X30.Z2.G71U2R0.5G71P1Q2U0W0F0.18N1G0X0.G1Z0.G03X30.W-15.R15N2G1U0.5G40G0X100.Z100.M30
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