HEIDENHAIN TNC 320 User Manual page 259

6.6 Path contours – FK free contour
programming
Fundamentals
Workpiece drawings that are not dimensioned for NC often contain
unconventional coordinate data that cannot be entered with the
gray dialog keys.
You can enter such dimensional data directly by using the free
contour programming function FK, e.g.
If there are known coordinates on or in the proximity of the
contour element
If coordinate data refers to another contour element
If directional data and data regarding the course of the contour
are known
The TNC derives the contour from the known coordinate data
and supports the programming dialog with the interactive FK
programming graphics. The upper right figure shows a workpiece
drawing for which FK programming is the most convenient
programming method.
HEIDENHAIN | TNC 320 | Conversational Programming User's Manual | 9/2016
Path contours – FK free contour programming
6
6.6
259