HEIDENHAIN TNC 640 (34059x-01) ISO programming - Manual (Page 373)

HEIDENHAIN TNC 640 373
13.4 D
a
tu
m Set
ting without a 3-D
T
ouc
h
Pr
obe
13.4 Datum Setting without a
3-D Touch Probe
Note
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
Datum setting with a 3-D touch probe: (see "Datum
Setting with a 3-D Touch Probe" on page 389).