HEIDENHAIN TNC 640 (34059x-05) ISO programming - Manual (Page 503)

Datum management with the preset table 15.5
15
TNC 640 | User's ManualDIN/ISO Programming | 1/2015
503
Soft key Function
Select the BASIC TRANSFORMATION/AXIS
OFFSET view. The BASIC TRANSFORMATION
view shows the X, Y and Z columns. Depending
on the machine, the SPA, SPB and SPC columns
are displayed additionally. Here, the TNC saves the
basic rotation (for the Z tool axis, the TNC uses the
SPC column). The OFFSET view shows the offset
values for the preset
Write the currently active datum to a selectable
line in the table: This function saves the datum
in all axes, and then activates the appropriate
row in the table automatically. If inch display is
active: Enter the value in inches, and the TNC will
internally convert the entered values to mm