HEIDENHAIN iTNC 530 205
6.4 Path Contours—Cartesian Coordinates
Example: Linear movements and chamfers with Cartesian coordinates
%LINEAR G71 *
N10 G30 G17 X+0 Y+0 Z-20 *
Define blank form for graphic workpiece simulation
N20 G31 G90 X+100 Y+100 Z+0 *
N40 T1 G17 S4000 *
Call tool in the spindle axis and with the spindle speed S
N50 G00 G40 G90 Z+250 *
Retract tool in the spindle axis at rapid traverse
N60 X-10 Y-10 *
Pre-position the tool
N70 G01 Z-5 F1000 M3 *
Move to working depth at feed rate F = 1000 mm/min
N80 G01 G41 X+5 Y+5 F300 *
Approach the contour at point 1, activate radius compensation G41
N90 G26 R5 F150 *
Tangential approach
N100 Y+95 *
Move to point 2
N110 X+95 *
Point 3: first straight line for corner 3
N120 G24 R10 *
Program chamfer with length 10 mm
N130 Y+5 *
Point 4: 2nd straight line for corner 3, 1st straight line for corner 4
N140 G24 R20 *
Program chamfer with length 20 mm
N150 X+5 *
Move to last contour point 1, second straight line for corner 4
N160 G27 R5 F500 *
Tangential exit
N170 G40 X-20 Y-20 F1000 *
Retract tool in the working plane, cancel radius compensation
N180 G00 Z+250 M2 *
Retract in the tool axis, end program
N99999999 %LINEAR G71 *
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