beautypg.com

Free programming of circular arcs – HEIDENHAIN TNC 620 (73498x-01) User Manual

Page 205

background image

HEIDENHAIN TNC 620

205

6.6 P

a

th cont

ours—FK fr

ee cont

our

pr

ogr

a

mming (A

dv

anced Pr

ogr

a

mming

F

e

at

ur

es sof

tw

a

re

option)

Free programming of circular arcs

Circular arc without tangential connection

U

To display the soft keys for free contour programming,

press the FK key.

U

To initiate the dialog for free programming of circular

arcs, press the FC soft key. The TNC displays soft
keys with which you can directly enter data on the
circular arc or the circle center.

U

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 describes several solutions, the
graphic will display the contour element in green (see
"Graphics during FK programming", page 202)

Circular arc with tangential connection

If the circular arc connects tangentially to another contour element,
initiate the dialog with the FCT soft key:

U

To display the soft keys for free contour programming,

press the FK key.

U

To initiate the dialog, press the FCT soft key.

U

Enter all known data in the block by using the soft

keys