Creating a new part program, 2 cr eating and w riting pr ogr a ms – HEIDENHAIN TNC 640 (34059x-01) ISO programming User Manual
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Programming: Fundamentals, File Management
3.2 Cr
eating and W
riting Pr
ogr
a
ms
Creating a new part program
You always enter a part program in the Programming and Editing 
mode of operation. An example of program initiation:
Select the Programming and Editing operating mode
Call the file manager: Press the PGM MGT key
Select the directory in which you wish to store the new program:
Enter the new program name and confirm your entry 
with the ENT key
Select the unit of measure: Press the MM or INCH 
soft key. The TNC switches the screen layout and 
initiates the dialog for defining the BLK FORM 
(workpiece blank)
Enter spindle axis, e.g. Z
Enter in sequence the X, Y and Z coordinates of the 
MIN point and confirm each of your entries with the 
ENT key
Enter in sequence the X, Y and Z coordinates of the 
MAX point and confirm each of your entries with the 
ENT key
FILE NAME = ALT.I
WORKING PLANE IN GRAPHIC: XY
WORKPIECE BLANK DEF.: MINIMUM
WORKPIECE BLANK DEF.: MAXIMUM
