HEIDENHAIN ITNC 530 - 6-2010 DIN-ISO PROGRAMMING User Manual page 461

14.5 Datum Setting without a 3-D
Touch Probe
Note
Datum setting with a 3-D touch probe: (see page 484).
You fix a datum by setting the TNC position display to the coordinates
of a known position on the workpiece.
Preparation
U Clamp and align the workpiece
U
Insert the zero tool with known radius into the spindle
U Ensure that the TNC is showing the actual position values
HEIDENHAIN iTNC 530 461