A.刀具位置補償 B.刀具半徑補償 C.刀具長度補償
在數(shù)控銑床上用φ20銑刀執(zhí)行下列程序后,其加工圓弧的直徑尺寸是() N1 G90 G17 G41 X18.0 Y24.0 M03 H06 N2 G02 X74.0 Y32.0 R40.0×180(刀具半徑補償偏置值是φ20.2)
A.φ80.2 B.φ80.4 C.φ79.8
A.48mm B.52mm C.50mm