beautypg.com

HEIDENHAIN TNC 640 (34059x-04) User Manual

Page 21

background image

TNC 640 | User's Manual

HEIDENHAIN Conversational Programming | 3/2014

21

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 HEIDENHAIN Conversational format................................................95
Define the blank: BLK FORM.................................................................................................................96
Opening a new part program................................................................................................................. 98
Programming tool movements in conversational................................................................................... 99
Actual position capture..........................................................................................................................101
Editing a program..................................................................................................................................102
The TNC search function...................................................................................................................... 105

3.3

File manager: Fundamentals..............................................................................................................107

Files....................................................................................................................................................... 107
Displaying externally generated files on the TNC.................................................................................109
Data Backup.......................................................................................................................................... 109