HEIDENHAIN TNC 320 (34055x-06) - Manual (Page 393)

Datum setting without a 3-D touch probe 12.4
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TNC 320 | User's Manual HEIDENHAIN Conversational Programming | 5/2013
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Datum management with the preset table
You should definitely use the preset table if:
Your machine is equipped with rotary axes (tilting
table or swivel head) and you work with the
function for tilting the working plane
Your machine is equipped with a spindle-head
changing system
Up to now you have been working with older TNC
controls with REF-based datum tables
You wish to machine identical workpieces that are
differently aligned
The preset table can contain any number of lines
(datums). To optimize the file size and the processing
speed, you should use only as many lines as you
need for datum management.
For safety reasons, new lines can be inserted only at
the end of the preset table.