HEIDENHAIN TNC 320 (340 551-02) - Manual (Page 149)

HEIDENHAIN TNC 320 149
6.6 P
a
th Cont
ours—FK F
ree Cont
our Pr
ogr
a
mming
Initiating the FK dialog
If you press the gray FK button, the TNC displays the soft keys you can
use to initiate an FK dialog: See the following table. Press the FK
button a second time to deselect the soft keys.
If you initiate the FK dialog with one of these soft keys, the TNC shows
additional soft-key rows that you can use for entering known
coordinates, directional data and data regarding the course of the
contour.
Pole for FK programming
8 To display the soft keys for free contour programming,
press the FK key.
8 To initiate the dialog for defining the pole, press the
FPOL soft key. The TNC then displays the axis soft
keys of the active working plane.
8 Enter the pole coordinates using these soft keys
FK element Soft key
Straight line with tangential connection
Straight line without tangential connection
Circular arc with tangential connection
Circular arc without tangential connection
Pole for FK programming
The pole for FK programming remains active until you
define a new one using FPOL.