HEIDENHAIN TNC 640 (34059x-05) - Manual (Page 69)

Workpiece setup 1.6
1
TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 1/2015
69
Datum setting with 3-D touch probe
Insert a 3-D touch probe: In the
Positioning with Manual Data
Input 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 datum at a workpiece corner, for example
Position the touch probe near the first touch point
on the first workpiece edge
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 pre-position the
touch probe to a position near the second touch
point on the first workpiece edge
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 pre-position the
touch probe to a position near the first touch point
on the second workpiece edge
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 pre-position the
touch probe to a position near the second touch
point on the second workpiece edge
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
To set to 0: Press the SET DATUM soft key
Press the END soft key to close the menu
Further information on this topic
Datum setting: see "Datum setting with 3-D touch probe ",
page 563