Opening a new part program – HEIDENHAIN TNC 128 (77184x-02) User Manual
Page 86

Programming: Fundamentals, file management
3.2
Opening and entering programs
3
86
TNC 128 | User's Manual HEIDENHAIN Conversational Programming | 5/2014
Cylindrical blank
The cylindrical blank form is defined by the dimensions of the
cylinder:
R: Radius of the cylinder
L: Length of the cylinder
DIST: Shifting along the rotational axis
RI: Inside radius for a hollow cylinder
The
DIST and RI parameters are optional and do not
need to be programmed.
Example: Display the BLK FORM CYLINDER in the NC program
0 BEGIN PGM NEW MM
Program begin, name, unit of measure
1 BLK FORM CYLINDER Z R50 L105 DIST+5 RI10
Spindle axis, radius, length, distance, inside radius
2 END PGM NEW MM
Program end, name, unit of measure
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
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 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