Contour Turning using G71 Turning Cycle CNC Lathe Example


Submit by: Vikram

Summary

CNC lathe program which machines a complete component, outside complete profile is turned using G71 turning cycle, G71 cycle is uesd twice.

Drawing/Image

Contour Turning using G71 Turning Cycle CNC Lathe Example

CNC Program

G90 G21 G18 G55;
T0400 M06
S2000 M03;
G00 Z0.0;
    X31.0;
G01 X30 F60;
G71 U0.5R0.2;
G71 P2 Q3 ;
N2 G01 X0.0;
       X14.14 Z-7.07;
       Z-17.07;
       X19.14;
       Z-54.76;
       X25.4;
N3 X 29.21 Z-64.76;
G00 X 30.0;
G28 X0.0;
G28 Z0.0;
T0800 M06;
G56;
G00 Z-22.07;
    X30;
G01X19.14;
G71 U0.5 R0.2;
G71 P4 Q5;
N4 G01 X11.14;
       Z-27.07;
N5     X19.14 Z-49.76;
G00 X30.0;
G28 X0.0;
G28 Z0.0;
M02;