HEIDENHAIN TNC 370 User Manual page 135

5 Programming Tool Movements
5.6 Contours - FK Free Contour Programming
Workpiece drawings often contain unconventional coordinate data that
cannot be entered with the gray path function keys. You can enter this
dimensional data directly on the TNC by using its FK free contour program-
ming.
FK programming allows you to define a contour element through
l
Auxiliary points on the contour element
l
Auxiliary points in its proximity
l
Directional data
l
Data regarding the course of the contour
FK programming is supported with soft keys.
Fig. 5.42: These dimensions can be
programmed with
FK
Programming contour elements with FK
5-36
TNC 370 -