HEIDENHAIN TNC 620 (81760x-01) - Manual (Page 225)

Path contours – FK free contour programming (Advanced
Programming Features software option)
6.6
6
TNC 620 | User's Manual
HEIDENHAIN Conversational Programming | 3/2014
225
Free circular path programming
Circular arc without tangential connection
To display the soft keys for free contour
programming, press the
FK key.
To initiate the dialog for free programming of
circular arcs, press the
FC soft key. The TNC
displays soft keys with which you can enter direct
data on the circular arc or data on the circle center.
Enter all known data in the block by using
these soft keys: The FK graphic displays the
programmed contour element in red until
sufficient data is entered. If the entered data
describe several solutions, the graphic will
display the contour element in green (See "FK
programming graphics", page 221)
Circular arc with tangential connection
If the circular arc connects tangentially to another contour element,
initiate the dialog with the
FCT soft key:
To display the soft keys for free contour
programming, press the
FK key.
To initiate the dialog, Press the FCT soft key
Enter all known data in the block by using the soft
keys