HEIDENHAIN TNC 620 (81760x-02) ISO programming - Manual (Page 168)

Programming: Tools
5.2 Tool data
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TNC 620 | User's ManualDIN/ISO Programming | 2/2015
Enter tool data into the table
You can define and store up to 32767 tools and their tool data in
a tool table. Also see the editing functions later in this Chapter.
In order to be able to assign various compensation data to a tool
(indexing tool number), insert a line and extend the tool number by
a dot and a number from 1 to 9 (e.g.
T 5.2).
You must use tool tables if
you wish to use indexed tools such as stepped drills with more
than one length compensation value
your machine tool has an automatic tool changer
you want to fine-rough the contour with Cycle G122, (see
"User's Manual for Cycle Programming, ROUGH-OUT")
you want to work with Cycles 251 to 254 (see "User's Manual
for Cycle Programming," Cycles 251 to 254)
If you create or manage further tool tables, the file
name has to start with a letter.
You can select either list view or form view for tables
via the "Screen layout" key.
When you open the tool table you can also change
its layout