HEIDENHAIN TNC 620 User Manual page 538

14
Manual Operation and Setup
14.10 Datum setting with a 3-D touch probe (option number 17)
Setting a center line as datum
Select the probing function: Press the PROBING
CL soft key
Position the touch probe at a position near the first
touch point
Select the probing direction by soft key
Probe: Press the NC START key
Position the touch probe at a position near the
second touch point
Probe: Press the NC START key
Datum: Enter the coordinates of the datum in the
menu window, confirm with the SET DATUM soft
key, or write the value to a table
Further Information:
from the touch probe cycles to a datum table",
page 519
Further Information:
from the touch probe cycles to the preset table",
page 520
To terminate the probe function, press the END
soft key
After you have measured the second touch point,
you can use the evaluation menu to change the
direction of the centerline. Using the soft keys, you
can choose whether the datum should be set in the
principal axis, minor axis or tool axis. This may be
required if you want to save the set position on the
principal or minor axis.
538
"Writing measured values
"Writing measured values
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016