Setting datums with 3-d touch probe (option 17), Workpiece setup 1.6 – HEIDENHAIN TNC 620 (81760x-02) User Manual

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Workpiece setup

1.6

TNC 620 | User's Manual

HEIDENHAIN Conversational Programming | 2/2015

Setting datums with 3-D touch probe
(option 17)

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

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