HEIDENHAIN TNC 426B (280 472) ISO programming User Manual

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14 Tabellen und Übersichten

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14.3 T

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14.3 Technical Information

TNC features

Description

Contouring control for machines with up to 9 axes (TNC 410: 4 axes),
with oriented spindle stop; TNC 410 CA, TNC 426 CB, TNC 430 CA
with analog speed control, TNC 410 PA, TNC 426 PB,
TNC 430 PB with digital speed control and integral current controller

Components

Logic unit

Keyboard unit

Visual display unit with soft keys

Data interfaces

RS-232-C / V.24

RS-422 / V.11 (not TNC 410)

Ethernet interface (option, not TNC 410)

Expanded data interface with LSV-2 protocol for remote
Operating the TNC through the interface with the HEIDENHAIN
software TNCremo (not TNC 410)

Simultaneous axis control for contour elements

Straight lines up to 5 axes (TNC 410: 3 axes)

Export versions TNC 426 CF, TNC 426 PF, TNC 430 CE, TNC 430 PE:
4 axes

Circles up to 3 axes (with tilted working plane,

TNC 410: 2 axes)

Helixes: 3 axes

Look Ahead

Defined rounding of discontinuous contour transitions (such as for

3-D surfaces);

Collision prevention with the SL cycle for open contours

Geometry precalculation of radius-compensated positions for feed

rate adaptation with M120

Background programming

One part program can be edited while the TNC runs another program

Graphics

Interactive programming graphics

Test run graphics

Program run graphics (not TNC 410)

File types

HEIDENHAIN conversational programming

ISO programming

Tool tables

Cutting data tables (not TNC 410)

Datum tables

Point tables

Pallet files (not TNC 410)

Text files (not TNC 410)

Freely definable tables (not TNC 410)

System files

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