HEIDENHAIN ITNC 530 - 6-2010 DIN-ISO PROGRAMMING - Page 215

HEIDENHAIN iTNC 530 215
6.5 Path Contours—Polar Coordinates
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 *
N40 T1 G17 S4000 * Tool call
N50 G00 G40 G90 Z+250 * Define the datum for polar coordinates
N60 I+50 J+50 * Retract the tool
N70 G10 R+60 H+180 * Pre-position the tool
N80 G01 Z-5 F1000 M3 * Move to working depth
N90 G11 G41 R+45 H+180 F250 * Approach the contour at point 1
N100 G26 R5 * Approach the contour at point 1
N110 H+120 * Move to point 2
N120 H+60 * Move to point 3
N130 H+0 * Move to point 4
N140 H-60 * Move to point 5
N150 H-120 * Move to point 6
N160 H+180 * Move to point 1
N170 G27 R5 F500 * Tangential exit
N180 G40 R+60 H+180 F1000 * Retract tool in the working plane, cancel radius compensation
N190 G00 Z+250 M2 * Retract in the spindle axis, end of program
N99999999 %LINEARPO G71 *
X
Y
50
100
50
CC
5
100
R45
60°
5
41
2
6 5
3