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4 datum setting (without a 3-d touch probe), Note, Preparation – HEIDENHAIN TNC 620 (340 56x-01) User Manual

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54

2.4 D

a

tum Set

ting (Without a 3-D T

ouc

h Pr

obe)

2.4 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

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.

For datum setting with a 3-D touch probe, refer to the
Touch Probe Cycles Manual.