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Datum management
The datum management makes flexible
machining, shorter setup times and
increased productivity possible. In other
words, it makes it much easier to set up
the machine.
In the datum management you can save
any number of datums and assign an
individual basic rotation to each one.
There are three possibilities for rapid saving
of the datums:
• In the Manual mode by soft key
• By using the probing functions
• With the automatic probing cycles
Setting datums
You can use a reference point to assign a
defined value in the TNC display to any
workpiece position. Finding this point
quickly and reliably reduces nonproductive
time and increases machining accuracy.
The TNC 640 features probing cycles for
automatic presetting. Once found, you can
save these datums
• in the datum management
• in a datum table, or
• by directly setting the displayed value.
Set datum
At a corner, for example, or in the center
of a circular stud
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