HEIDENHAIN TNC 640 (34059x-05) - Manual (Page 68)

First Steps with the TNC 640
1.6 Workpiece setup
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TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 1/2015
1.6 Workpiece setup
Selecting the correct operating mode
Workpieces are set up in the or mode
Press the operating-mode key: The TNC switches
to the
Manual mode of operation
Further information on this topic
Operating mode : see "Moving the machine axes", page 519
Clamping the workpiece
Mount the workpiece with a fixture on the machine table. If you
have a 3-D touch probe on your machine, then you do not need to
clamp the workpiece parallel to the axes.
If you do not have a 3-D touch probe available, you have to align the
workpiece so that it is fixed with its edges parallel to the machine
axes.
Further information on this topic
Setting datums with 3-D touch probe: see "Datum setting with
3-D touch probe ", page 563
Setting datums without 3-D touch probe: see "Datum setting
without a 3-D touch probe", page 543