HEIDENHAIN TNC 640 User Manual page 48

9 Subprograms and Program Section Repeats............................................................................ 349
9.1 Labeling subprograms and program section repeats.................................................................... 350
Label..................................................................................................................................................... 350
9.2 Subprograms...................................................................................................................................... 351
Operating sequence.............................................................................................................................351
Programming notes..............................................................................................................................351
Programming the subprogram............................................................................................................. 352
Calling a subprogram........................................................................................................................... 352
9.3 Program-section repeats................................................................................................................... 353
Label G98............................................................................................................................................. 353
Operating sequence.............................................................................................................................353
Programming notes..............................................................................................................................353
Programming a program section repeat.............................................................................................. 354
Calling a program section repeat.........................................................................................................354
9.4 Any desired NC program as subprogram........................................................................................355
Overview of the soft keys................................................................................................................... 355
Operating sequence.............................................................................................................................356
Programming notes..............................................................................................................................356
Calling any program as a subprogram................................................................................................. 357
9.5 Nesting................................................................................................................................................ 360
Types of nesting...................................................................................................................................360
Nesting depth.......................................................................................................................................360
Subprogram within a subprogram....................................................................................................... 361
Repeating program section repeats.....................................................................................................362
Repeating a subprogram......................................................................................................................363
9.6 Programming examples.................................................................................................................... 364
Example: Milling a contour in several infeeds..................................................................................... 364
Example: Groups of holes................................................................................................................... 365
Example: Group of holes with several tools........................................................................................366
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HEIDENHAIN | TNC 640 | ISO Programming User's Manual | 10/2017
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