HEIDENHAIN ITNC 530 User Manual page 66

2.4 Datum Setting (Without a 3-D
Touch Probe)
Note
For datum setting with a 3-D touch probe, refer to the
Touch Probe Cycles Manual.
You fix a datum by setting the TNC position display to the coordinates
of a known position on the workpiece.
Preparation
Clamp and align the workpiece.
Insert the zero tool with known radius into the spindle.
Ensure that the TNC is showing the actual position values.
66 2 Manual Operation and Setup