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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