HEIDENHAIN TNC 410 ISO Programming - Manual (Page 101)

HEIDENHAIN TNC 410, TNC 426, TNC 430 75
4.6 Cr
eating
and
W
riting
Pr
ogr
ams
Example: Display the blank form in the NC program
The TNC automatically generates the first and last blocks of the
program.
%NEW G71 * Program begin, name, unit of measure
N10 G30 G17 X+0 Y+0 Z-40 * Spindle axis, MIN point coordinates
N20 G31 G90 X+100 Y+100 Z+0 * MAX point coordinates
N999999 %NEW G71 * Program end, name, unit of measure
The TNC can display the graphic only if the ratio of the
shortest to the longest side of the blank form is less than
1 : 64.