HEIDENHAIN TNC 620 Programming Station, User Manual

Page: 512 / 695

Manual Operation and Setup
14.6 Datum setting without a 3-D touch probe
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512
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016
Using touch probe functions with mechanical
probes or measuring dials
If you do not have an electronic 3-D touch probe on your machine,
you can also use all the previously described manual touch probe
functions (exception: calibration function) with mechanical probes
or by simply touching the workpiece with the tool.
Further Information: "Using a 3-D touch probe (option 17)",
page 513
In place of the electronic signal generated automatically by a 3-D
touch probe during probing, you can manually initiate the trigger
signal for capturing the
probing position by pressing a key.
Proceed as follows:
Select any touch probe function by soft key
Move the mechanical probe to the first position to
be captured by the TNC
Confirm the position: Press the
ACTUAL-POSITION
CAPTURE
soft key for the TNC to save the current
position
Move the mechanical probe to the next position to
be captured by the TNC
Confirm the position: Press the
ACTUAL-POSITION
CAPTURE
soft key for the TNC to save the current
position
If required, move to additional positions and
capture as described previously
Datum
: In the menu window, enter the
coordinates of the new datum, confirm with the
SET DATUM
soft key, or write the values to a table
Further Information: "Writing measured values
from the touch probe cycles to a datum table",
page 519
Further Information: "Writing measured values
from the touch probe cycles to the preset table",
page 520
Terminate the probing function: Press the
END
key