试题详情

已知工件坐标系G54 X=-200.Y=-300.、G55 X=-150.Y=-200.、G56 X=-100.Y=-100.,执行下列程序后,机床坐标系XY平面的坐标位置是( )。 N1 G54 G00 G90 X-200.Y-100. N2 G55 X50.Y-50. N3 G92 X-100.Y-100. N4 G56 X-150.Y-200. N5 G53 X-200.Y-100. N6 G55 X100.Y50. N7 G28 X-300.Y-350. N8 G29 X50.Y0

AA.(50,0)

BB.(50,-150)

CC.(-100,-200)

DD.(-100,-150)