HEIDENHAIN PT 855 for Milling - Manual (Page 28)

I - 2 Working with POSITIP – First Steps
26 Operating Instructions POSITIP 855
Fig. 20: On-screen operating instructions for
probing with a tool
Datum setting with a tool
Even if you use a tool to set datum points, you can still use
POSITIP's probing functions described under the section "Datum
setting with the edge finder" (
Edge
,
Centerline
and
Circle
Center
).
Preparation: Enter the tool diameter and select the datum
ä Press MOD and go to the soft key row containing the
soft key
Tool Table
.
ä Select the user parameter
Tool Table
.
ä Select the tool you will use to set the datum.
ä Leave the tool table:
Press MOD again.
ä Use the vertical arrow keys to select the number of the desired
datum. The number of the selected datum is shown at the lower
right of the screen.
Probing functions for datum setting
Example: Set centerline between two probed edges as datum
The centerline is parallel to the Y axis.
Desired coordinate
of the centerline: X = 50 mm
Y
X
2
1
Z
M
X?
Select
Centerline
.
Operating mode:
ACTUAL VALUE
Select
Probe
.
Select axis for which the coordinate is to be set: X axis.