11-21
11
Tables, Overviews and Diagrams
TNC 426/TNC 425/TNC 415 B/TNC 407
11.4 Features, Specifications and Accessories
Technical information
Description
Contouring control for machines with up to
five axes. Features digital speed control
and oriented spindle stop.
Components
Logic unit, keyboard,
color VDU with soft keys
Data interfaces
RS-232-C / V.24
RS-422 / V.11
Expanded data interface with LSV/2
protocol for remote operation of the TNC
through the data interface with HEIDEN-
HAIN software TNC REMOTE.
Simultaneous axis control
Straight lines: up to 5 axes
for contour elements
TNC 407: 3 axes
Export versions TNC 415 F, TNC 425 E
and TNC 426 E: 4 axes
Circles: up to 3 axes
(with tilted working plane)
Helices: 3 axes
“Look Ahead”
Defined rounding of discontinuous contour
transitions (such as for 3D surfaces)
Collision prevention with the SL cycle for
open contours (G125)
Geometry pre-calculation for feed rate
adaptation
Background programming
One part program can be edited while the
TNC runs another program
(TNC 407: without graphics).
Graphics
Interactive programming graphics
Test run graphics
Simultaneous program run graphics
(not with TNC 407)
File types
HEIDENHAIN conversational programming
ISO programming
Tool tables
Datum tables
Point tables
Pallet files
Text files
System files
Program memory
TNC 426:
170 MB hard disk for NC programs
No limit on number of files
TNC 425, TNC 415 B:
Battery-buffered, for up to 100 files
Capacity: 256K bytes
TNC 407:
Capacity: 128K bytes
Tool definitions
Up to 254 tools in the program or in tables
Programming support
Functions for approaching and departing
the contour
Structuring long programs
Additional feature on TNC 426:
On-screen pocket calculator
