HEIDENHAIN TNC 320 - Example: Linear movement with polar coordinates

Programming Contours | Path contours – Polar coordinates
6
HEIDENHAIN | TNC 320 | ISO Programming User's Manual | 10/2017
279
Example: Linear movement with polar coordinates
%LINEARPO G71 *
N10 G30 G17 X+0 Y+0 Z-20*
Definition of workpiece blank
N20 G31 G90 X+100 Y+100 z+0*
N30 T1 G17 S4000*
Tool call
N40 G00 G40 G90 Z+250*
Define the preset for polar coordinates
N50 I+50 J+50*
Retract the tool
N60 G10 R+60 H+180*
Pre-position the tool
N70 G01 Z-5 F1000 M3*
Move to working depth
N80 G11 G41 R+45 H+180 F250*
Approach the contour at point 1
N90 G26 R5*
Approach the contour at point 1
N100 H+120*
Move to point 2
N110 H+60*
Move to point 3
N120 H+0*
Move to point 4
N130 H-60*
Move to point 5
N140 H-120*
Move to point 6
N150 H+180*
Move to point 1
N160 G27 R5 F500*
Tangential exit
N170 G40 R+60 H+180 F1000*
Retract the tool in the working plane, cancel radius
compensation
N180 G00 Z+250 M2*
Retract in the spindle axis, end of program
N99999999 %LINEARPO G71 *