HEIDENHAIN TNC 620 (340 56x-02) ISO programming - Manual (Page 52)

52 First Steps with the TNC 620
1
.6 W
o
rkpiece Set
u
p Datum setting with 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 “Datum Setting with 3-D Touch Probe” on page
339