3 cont our appr oac h and depar tur e – HEIDENHAIN TNC 620 (73498x-01) ISO programming User Manual
Page 172
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172
Programming: Programming contours
6.3 Cont
our appr
oac
h
and depar
tur
e
Example NC blocks
N50 G00 G40 G90 X-30 Y+50 *
Starting point
N60 G01 G41 X+0 Y+50 F350 *
First contour point
N70 G26 R5 *
Tangential approach with radius R = 5 mm
. . .
PROGRAM CONTOUR BLOCKS
. . .
Last contour point
N210 G27 R5 *
Tangential departure with radius R = 5 mm
N220 G00 G40 X-30 Y+50 *
End point
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