HEIDENHAIN iTNC 530 77
1.6 Workpiece Setup
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 reference point at a workpiece corner, for
example: The TNC asks whether the prove points
from the previously measured basic rotation should
be loaded. Press the ENT key to load points
U Position the touch probe at a position near the first
touch point of the side that was not probed for basic
rotation
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 contact point
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 to close the menu
Further information on this topic
Datum setting: See “Datum Setting with a 3-D Touch Probe” on
page 563
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