HEIDENHAIN TNC 320, User Manual

Page: 90 / 581

Programming: Fundamentals, file management
3.2 Opening programs and entering
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TNC 320 | User's Manual
HEIDENHAIN Conversational Programming | 3/2014
Opening 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 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 = ALT.H
Enter the new program name and confirm your
entry with the ENT key.
Selecting 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 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.