HEIDENHAIN iTNC 530 (34049x-08) ISO programming - Manual (Page 77)

HEIDENHAIN iTNC 530 77
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p Datum setting with a touch probe
 Insert the touch probe: In the MDI mode, run a TOOL CALL block
containing the tool axis and then return to the Manual Operation
mode
 Select the probing functions: The TNC displays the
available functions in the soft-key row
 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
 Position the touch probe at a position near the first
touch point of the side that was not probed for basic
rotation
 Select the probing direction via soft key
 Press NC start: The touch probe moves in the defined
direction until it contacts the workpiece and then
automatically returns to its starting point
 Use the axis-direction keys to preposition the touch
probe to a position near the second contact point
 Press NC start: The touch probe moves in the defined
direction until it contacts the workpiece and then
automatically returns to its starting point
 Then the TNC shows the coordinates of the measured
corner point
 Set to 0: Press the SET DATUM soft key
 Press the END to close the menu
Further information on this topic
 Datum setting: See "Datum setting with a touch probe" on page 503