HEIDENHAIN TNC 426 (280 476) Pilot - Manual (Page 3)

4
Fundamentals
Fundamentals
Programs/Files
See “Programming, File Management”
The TNC keeps its programs, tables and texts in files.
A file designation consists of two components:
THREAD2.H
File name File type
Maximum length: see table at right
16 characters
Creating a New Part Program
Select the directory in which the program is stored
Enter a new file name with file type
Select unit of measure for dimensions (mm or inches)
Define the blank form (BLK) for graphics:
Enter the spindle axis
Enter coordinates of the MIN point:
the smallest X, Y and Z coordinates
Enter coordinates of the MAX point:
the greatest X, Y and Z coordinates
File type
.H
.I
.T
.D
.P
.CDT
.PNT
.A
Files in the TNC
Programs
• in HEIDENHAIN format
• in ISO format
Tables for
• Tools
• Datums
• Pallets
• Cutting data
• Positions
Texts as
• ASCII files
1 BLK FORM 0.1 Z X+0 Y+0 Z-50
2 BLK FORM 0.2 X+100 Y+100 Z+0