HEIDENHAIN TNC 620 User Manual page 236

6
Programming contours
6.1 Tool movements
6.1 Tool movements
Path functions
A workpiece contour is usually composed of several contour
elements such as straight lines and circular arcs. With the path
functions, you can program the tool movements for
and circular arcs.
FK free contour programming (option 19)
If a production drawing is not dimensioned for NC and the
dimensions given are not sufficient for creating a part program,
you can program the workpiece contour with the FK free contour
programming. The TNC calculates the missing data.
With FK programming, you also program tool movements for
straight lines and
Miscellaneous functions M
With the TNC's miscellaneous functions you can affect
the program run, e.g., a program interruption
the machine functions, such as switching spindle rotation and
coolant supply on and off
the path behavior of the tool
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circular arcs.
straight lines
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016