HEIDENHAIN TNC 640 (34059x-05) ISO programming - Manual (Page 638)

Tables and overviews
19.5 Functions of the TNC 640 and the iTNC 530 compared
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TNC 640 | User's ManualDIN/ISO Programming | 1/2015
Function TNC 640 iTNC 530
Tool compensation
In the working plane and tool length X X
Radius compensated contour look ahead for up to 99
blocks
X X
Three-Dimensional Tool Radius Compensation X, with option 9 X, with option 9
Tool table
Central storage of tool data X X
Multiple tool tables with any number of tools X X
Flexible management of tool types X –
Filtered display of selectable tools X –
Sorting function X –
Column names Sometimes with _ Sometimes with -
Copy function: Overwriting relevant tool data X X
Form view Switchover with
split-screen layout
key
Switchover by soft
key
Exchange of tool table between TNC 640 and iTNC
530
X Not possible
Touch-probe table for managing different 3-D touch
probes
X –
Creating tool-usage file, checking the availability
X X
Cutting data calculation Automatic calculation of
spindle speed and feed rate
Simple cutting data
calculator
Using technology tables
Define any tables Freely definable
tables (.TAB files)
Reading and writing
with FN functions
Definable via config.
data
Table names must
start with a letter
Reading and writing
with SQL functions
Freely definable
tables (.TAB files)
Reading and writing
with FN functions