HEIDENHAIN TNC 320 User Manual page 217

Entering a complex contour formula
You can use soft keys to interlink various contours in a mathematical
formula.
U Show the soft-key row with special functions.
U
Select the menu for functions for contour and point
machining.
U Press the CONTOUR FORMULA soft key. The TNC
then displays the following soft keys:
Mathematical function
Intersected with
e.g. QC10 = QC1 & QC5
Joined with
e.g. QC25 = QC7 | QC18
Joined without intersection
e.g. QC12 = QC5 ^ QC25
Without
e.g. QC25 = QC1 \ QC2
Opening parenthesis
e.g. QC12 = QC1 * (QC2 + QC3)
Closing parenthesis
e.g. QC12 = QC1 * (QC2 + QC3)
Defining a single contour
e.g. QC12 = QC1
HEIDENHAIN TNC 320
Soft key
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