Subprograms And Program Section Repeats; Programming With Q Parameters - HEIDENHAIN TNC 620 User Manual

Programming Contours | Tool movements

Subprograms and program section repeats

If a machining sequence occurs several times in a program, you
can save time and reduce the chance of programming errors by
entering the sequence once and then defining it as a subprogram
or program section repeat. If you wish to execute a specific
program section only under certain conditions, you also define this
machining sequence as a subprogram. In addition, you can have a
part program call a separate program for execution.
Further information: "Subprograms and Program Section
Repeats", page 345

Programming with Q parameters

Instead of programming numerical values in a machining program,
you enter markers called Q parameters. You assign the values to
the Q parameters separately with the Q parameter functions. You
can use the Q parameters for programming mathematical functions
that control program execution or describe a contour.
In addition, programming with Q parameters enables you to
measure with the 3-D touch probe during the program run.
Further information: "Programming Q Parameters", page 365
HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2017
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