Opening A New Part Program - HEIDENHAIN TNC 620 User Manual

3
Fundamentals, file management
3.2 Opening programs and entering

Opening a new part program

You always enter a machining program in Programming mode. An
example of program initiation:
Operating mode: Press the Programming key
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.I
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
Enter the spindle axis, e.g. G17
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
%NEW G71 *
N10 G30 G17 X+0 Y+0 Z-40*
N20 G31 X+100 Y+100 Z+0*
N99999999 %NEW G71 *
The TNC automatically generates the first and last blocks of the
program.
If you do not wish to define a blank form, cancel the
dialog at Working plane in graphic: XY using the
DEL key.
130
Program begin, name, unit of measure
Spindle axis, MIN point coordinates
MAX point coordinates
Program end, name, unit of measure
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016