HEIDENHAIN PT 880 - Manual (Page 34)

34 I Operating Instructions
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Datum Setting with a Tool
Even if you use a tool or non-electrical edge finder to set datum points,
you can still use POSITIP 880's probing functions described under the
section “Datum setting with the Edge Finder.” EDGE, CENTER LINE
and CIRCLE CENTER. See Fig. I.27 & Fig. I.28.
Preparation: Enter the tool diameter and select the datum
8 Press INFO.
8 Press the JOB SETUP soft key.
8 Select the TOOL TABLE form by pressing ENT.
8 Cursor to the tool you will use to set the datum.
8 Press USE and then USE NEW SETTINGS.
Example: Probe workpiece edge and set edge as datum
Datum axis: X =0 mm
Tool diameter D = 3 mm
Operating mode: ACTUAL VALUE
Press PROBE.
Cursor to the axis for which the coordinate is to be
set: X axis.
Press EDGE soft key.
Touch workpiece edge
Store the position of the edge by pressing the NOTE
soft key.
Retract the tool from the workpiece.
Fig. I.27 Setting datum using an edge
Fig. I.28
PROBE IN X