HEIDENHAIN TNC 620 User Manual page 218

6
Programming: Programming Contours
6.3 Approaching and departing a contour
Polar coordinates
You can also program the contour points for the following approach/
departure functions over polar coordinates:
APPR LT becomes APPR PLT
APPR LN becomes APPR PLN
APPR CT becomes APPR PCT
APPR LCT becomes APPR PLCT
DEP LCT becomes DEP PLCT
Select an approach or departure function with the soft key, then
press the orange P key.
Radius compensation
The tool radius compensation is programmed together with
the first contour point P
automatically discard the tool radius compensation.
If you program APPR LN or APPR CT with R0, the
control stops the machining/simulation with an error
message.
This method of function differs from the iTNC 530
control!
218
in the APPR block. The DEP blocks
A
HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2015