毛坯为棒料,粗加工切削深度为7mm,进给量0.3mm/r,主轴转速为500r/mm,精加工余量X向4mm(直径上),Z向2mm,进给量为0.15mm/r,主轴转速为800r/min,程序起点见图。 用G70,G71加工举例(采用混合编程)
%0003 N01 G92 X200.0 Z220.0 ;坐标系设定 N02 G00 X160.0 Z180.0 M03 S800 G95 F0.30 (转进给) N03 G71 U7.0 R1.0 P04 Q10 U4.0 W2.0 S500 ;(粗车循环) N04 G00 X40.0 S800 N05 G01 W-40.0 F0.15 N06 X60.0 W-30.0 N07 W-20.0 N08 X100.0 W-10.0 N09 W-20.0 N10 X140.0 W-20.0 N11 G94 F1000 N12 G01 X200.0 Z220.0 N13 M05 N14 M30 |