HEIDENHAIN ND 720 v.3 - Manual (Page 13)

13
Datum Setting
Datum setting with the KT Edge Finder
The ND position display units provide the following probing functions:
“PROBE EDGE” Setting a workpiece edge as datum
“PROBE MIDPOINT” Setting a midpoint between two
workpiece edges as datum
“PROBE CIRCLE” Setting the center of a circle as datum
The probing functions are accessible in the SPEC FCT mode of
operation.
Before using the edge finder you must enter the stylus diameter and
length in parameters P25 and P26, respectively (see “Operating
Parameters”).
During all probing functions, the ND position display unit accounts for
the entered dimensions.
The “PROBE EDGE”, “PROBE MIDPOINT” and “PROBE CIRCLE”
functions are described on the following pages.
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