Departing In A Straight Line Perpendicular To The Last Contour Point: Dep Ln - HEIDENHAIN TNC 620 User Manual

6
Programming: Programming contours
6.3 Approaching and departing a contour
Departing in a straight line perpendicular to the last
contour point: DEP LN
The tool moves on a straight line from the last contour point P
the end point P . The line departs on a perpendicular path from the
N
last contour point P
plus the tool radius.
Program the last contour element with the end point P
radius compensation
Initiate the dialog with the APPR/DEP key and DEP LN soft key:
LEN: Enter the distance of the end point P
Remember: always enter LEN as a positive value!
Example NC blocks
23 L Y+20 RR F100
24 DEP LN LEN+20 F100
25 L Z+100 FMAX M2
198
. P is separated from P
E N E
to
E
by the distance LEN
and
E
.
N
Last contour element: PE with radius compensation
Depart perpendicular to contour by LEN=20 mm
Retract in Z, return to block 1, end program
HEIDENHAIN Conversational Programming | 3/2014
TNC 620 | User's Manual