HEIDENHAIN TNC 640 (34059x-01) Cycle programming - Manual (Page 216)

216 Fixed Cycles: Contour Pocket with Contour Formula
9.1 SL Cy
cles with Complex Cont
our F
o
rm
ula
Selecting a program with contour definitions
With the SEL CONTOUR function you select a program with contour
definitions, from which the TNC takes the contour descriptions:
U Show the soft-key row with special functions
U Select the menu for functions for contour and point
machining
U Press the SEL CONTOUR soft key.
U Enter the full name of the program with the contour
definition and confirm with the END key.
Defining contour descriptions
With the DECLARE CONTOUR function you enter in a program the path for
programs from which the TNC draws the contour descriptions. In
addition, you can select a separate depth for this contour description
(FCL 2 function):
U Show the soft-key row with special functions
U Select the menu for functions for contour and point
machining
U Press the DECLARE CONTOUR soft key.
U Enter the number for the contour designator QC, and
confirm with the ENT key.
U Enter the full name of the program with the contour
description and confirm with the END key, or if
desired,
U Define a separate depth for the selected contour.
Program a SEL CONTOUR block before the SL cycles. Cycle
14 CONTOUR GEOMETRY
is no longer necessary if you use SEL
CONTOUR .
With the entered contour designators QC you can include
the various contours in the contour formula.
If you program separate depths for contours, then you
must assign a depth to all subcontours (assign the depth 0
if necessary).