238 Programming: Programming Contours
6.6 Path Contours—FK Free Contour Programming
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
path function keys. For example:
îš„ Known coordinates on the contour element or in its proximity
îš„ Coordinate data can be referenced to another contour element
îš„ Directional data and data regarding the course of the contour
You can enter such dimensional data directly by using the FK free
contour programming function. The TNC derives the contour from the
known coordinate data and supports the programming dialog with the
interactive programming graphics. The figure at upper right shows a
workpiece drawing for which FK programming is the most convenient
programming method.
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