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HEIDENHAIN TNC 640 (34059x-04) ISO programming User Manual

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TNC 640 | User's Manual for DIN/ISO Programming | 3/2014

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3

Programming: Fundamentals, file management.........................................................................89

3.1

Fundamentals........................................................................................................................................ 90

Position encoders and reference marks................................................................................................. 90
Reference system................................................................................................................................... 90
Reference system on milling machines..................................................................................................91
Designation of the axes on milling machines.........................................................................................91
Polar coordinates.....................................................................................................................................92
Absolute and incremental workpiece positions......................................................................................93
Selecting the datum................................................................................................................................94

3.2

Opening programs and entering......................................................................................................... 95

Organization of an NC program in DIN/ISO format................................................................................ 95
Define the blank: G30/G31..................................................................................................................... 96
Opening a new part program................................................................................................................. 97
Programming tool movements in DIN/ISO............................................................................................. 99
Actual position capture..........................................................................................................................100
Editing a program..................................................................................................................................101
The TNC search function...................................................................................................................... 104

3.3

File manager: Fundamentals..............................................................................................................106

Files....................................................................................................................................................... 106
Displaying externally generated files on the TNC.................................................................................108
Data Backup.......................................................................................................................................... 108