Entering A Complex Contour Formula - HEIDENHAIN TNC 640 User Manual

Fixed Cycles: Contour Pocket with Contour Formula | SL cycles with complex contour formula

Entering a complex contour formula

You can use soft keys to interlink various contours in a
mathematical formula.
Show the soft-key row with special functions
Menu for functions: Press the soft key for
contour and point machining
Press the CONTOUR FORMULA soft key. The
TNC then displays the following soft keys:
Soft key Mathematical function
cut with
e.g. QC10 = QC1 & QC5
joined with
e.g. QC25 = QC7 | QC18
joined with, but without cut
e.g. QC12 = QC5 ^ QC25
without
e.g. QC25 = QC1 \ QC2
Parenthesis open
e.g. QC12 = QC1 * (QC2 + QC3)
Parenthesis closed
e.g. QC12 = QC1 * (QC2 + QC3)
Define single contour
e.g. QC12 = QC1
HEIDENHAIN | User's manual for cycle programming | 10/2017
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