Set the datum with a 3-d touch probe, 6 w o rkpiece set u p – HEIDENHAIN TNC 320 (340 55x-05) ISO programming User Manual
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HEIDENHAIN TNC 320
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Set the datum with a 3-D touch probe
U
Insert the 3-D touch probe: In the MDI mode, run a TOOL CALL block
containing the tool axis and then return to the Manual Operation
mode
U
Select the probing functions: The TNC displays the
available functions in the soft-key row
U
Set the datum at a workpiece corner, for example
U
Position the touch probe near the first touch point on
the first workpiece edge
U
Select the probing direction via soft key
U
Press NC start: The touch probe moves in the defined
direction until it contacts the workpiece and then
automatically returns to its starting point
U
Use the axis-direction keys to pre-position the touch
probe to a position near the second touch point on the
first workpiece edge
U
Press NC start: The touch probe moves in the defined
direction until it contacts the workpiece and then
automatically returns to its starting point
U
Use the axis-direction keys to pre-position the touch
probe to a position near the first touch point on the
second workpiece edge
U
Select the probing direction via soft key
U
Press NC start: The touch probe moves in the defined
direction until it contacts the workpiece and then
automatically returns to its starting point
U
Use the axis-direction keys to pre-position the touch
probe to a position near the second touch point on the
second workpiece edge
U
Press NC start: The touch probe moves in the defined
direction until it contacts the workpiece and then
automatically returns to its starting point
U
Then the TNC shows the coordinates of the measured
corner point
U
Set to 0: Press the SET DATUM soft key
U
Press the END soft key to close the menu
Further information on this topic
Datum setting: See "Set the datum with a 3-D touch probe" on page
350