HEIDENHAIN TNC 620 (81760x-02) - Manual (Page 102)

Programming: Fundamentals, file management
3.2 Opening programs and entering
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TNC 620 | User's Manual
HEIDENHAIN Conversational Programming | 2/2015
Opening a new part program
You always enter a part program in the Programming mode of
operation. An example of program initiation:
Select the Programming mode of operation
To call the file manager, press the PGM MGT key.
Select the directory in which you wish to store the new program:
FILE NAME = NEW.H
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)
Select a rectangular workpiece blank: Press the
soft key for a rectangular blank form
WORKING PLANE IN GRAPHIC: XY
Z
Enter the spindle axis, e.g. Z
WORKPIECE BLANK DEF.: MINIMUM
Enter in sequence the X, Y and Z coordinates of
the MIN point and confirm each of your entries
with the
ENT key
WORKPIECE BLANK DEF.: MAXIMUM
Enter in sequence the X, Y and Z coordinates of
the MAX point and confirm each of your entries
with the
ENT key
Example: Display the BLK form in the NC program
0 BEGIN PGM NEW MM Program begin, name, unit of measure
1 BLK FORM 0.1 Z X+0 Y+0 Z-40 Spindle axis, MIN point coordinates
2 BLK FORM 0.2 X+100 Y+100 Z+0 MAX point coordinates
3 END PGM NEW MM Program end, name, unit of measure
The TNC automatically generates the block numbers as well as the
BEGIN and END blocks.
If you do not wish to define a blank form, cancel the
dialog at
Working plane in graphic: XY by pressing
the DEL key.