数控车床G71车内孔编程实例
T01; //使用1号刀具
G50 S5000; //转速最高限制5000rpm
G96 S130 M03; //周速一定,表面速度130m/min,主轴正转
G00 X60.0 Z15.0; //快速定位至起始点
M08; //开启切削剂
G71 U2.0 R1.0 H0; //X轴向切削深度2.0mm,退刀量1.0mm,
H可不指定,如G71 U2.0 R1.0为等效之程式写法
G71 P01 Q02 U0.8 W0.1 F0.3;
//执行横向(外径)精车削循环,其区块为序
号N01→N02,X轴向之精车预留量为0.8mm,Z轴向之精车预留量为0.1mm,进给率 0.3mm/rev
N01 G00 X17.0; ← TYPE I
码昌 G01 Z0.0;
X20.0 Z-1.5;
Z-20.0;
欲车削之轮廓
X30.0 Z-45.0;
洞模好 Z-52.0;
G02 X36.0 Z-55.0 R3.0;
G01 X45.0;
G03 X55.0 Z-60.0 R5.0;
NO2 G01 Z-70.0;
M09; //开关切削剂
M28 X60.0 Z20.0; //刀具快速移动至指定中间点,再回归至机械原点
M05; //主轴停止
M30; 纳铅 //程式结束
我不认为用G71车内孔是个好主意.
G0 G40 G99
T303
G97 S1200 M3
G0 X150. Z100.
X24.5 Z2. M8
G71 U1.5 R0.5
G71 P10 Q20 U-0.5 W0.2 F0.12
N10 G1 X42.
Z0
G3 X32.015 Z-11.91 R22.
Z-30.
N20 X24.5
G0 G40 X150. Z100.
M30
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