HEIDENHAIN TNC 320 User Manual page 17

3 Programming: Fundamentals, file management...........................................................................79
3.1 Fundamentals......................................................................................................................................... 80
Position encoders and reference marks.................................................................................................. 80
Reference system.................................................................................................................................... 80
Reference system on milling machines...................................................................................................81
Designation of the axes on milling machines..........................................................................................81
Polar coordinates...................................................................................................................................... 82
Absolute and incremental workpiece positions....................................................................................... 83
Selecting the datum.................................................................................................................................84
3.2 Opening programs and entering.......................................................................................................... 85
Organization of an NC program in HEIDENHAIN Conversational format.................................................85
Define the blank: BLK FORM.................................................................................................................. 85
Opening a new part program.................................................................................................................. 86
Programming tool movements in conversational.....................................................................................87
Actual position capture.............................................................................................................................89
Editing a program.....................................................................................................................................90
The TNC search function......................................................................................................................... 93
3.3 File manager: Fundamentals.................................................................................................................95
Files.......................................................................................................................................................... 95
Data Backup............................................................................................................................................. 97
TNC 320 | User's Manual HEIDENHAIN Conversational Programming | 5/2013
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