HEIDENHAIN TNC 620 Programming Station

Contents
3 Fundamentals............................................................................................................................. 65
3.1 The TNC 620....................................................................................................................................66
HEIDENHAIN Klartext and ISO...................................................................................................................................66
Compatibility.................................................................................................................................................................. 66
3.2 Visual display unit and operating panel............................................................................................67
Display screen............................................................................................................................................................... 67
Setting the screen layout............................................................................................................................................68
Operating panel............................................................................................................................................................. 69
Screen keypad............................................................................................................................................................... 72
3.3 Modes of operation.......................................................................................................................... 73
Manual Operation and El. Handwheel......................................................................................................................73
Positioning with Manual Data Input......................................................................................................................... 73
Programming................................................................................................................................................................. 74
Test Run..........................................................................................................................................................................74
Program Run, Full Sequence and Program Run, Single Block............................................................................75
3.4 NC fundamentals..............................................................................................................................76
Position encoders and reference marks................................................................................................................. 76
Programmable axes.....................................................................................................................................................76
Reference systems.......................................................................................................................................................77
Designation of the axes on milling machines........................................................................................................87
Polar coordinates..........................................................................................................................................................87
Absolute and incremental workpiece positions..................................................................................................... 88
Selecting the preset..................................................................................................................................................... 89
3.5 Creating and entering NC programs................................................................................................. 90
Structure of an NC program in HEIDENHAIN Klartext......................................................................................... 90
Defining the workpiece blank: BLK FORM...............................................................................................................91
Creating a new NC program...................................................................................................................................... 94
Programming tool movements in Klartext..............................................................................................................96
Actual position capture............................................................................................................................................... 98
Editing an NC program................................................................................................................................................99
The control's search function..................................................................................................................................103
3.6 File management............................................................................................................................105
Files................................................................................................................................................................................105
Displaying externally generated files on the control...........................................................................................107
Directories.................................................................................................................................................................... 107
Paths..............................................................................................................................................................................107
Overview: Functions of the file manager.............................................................................................................. 108
Calling the File Manager...........................................................................................................................................109
Selecting drives, directories and files.................................................................................................................... 110
Creating a new directory...........................................................................................................................................112
Creating new file.........................................................................................................................................................112
HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 01/2022
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