HEIDENHAIN TNC 620 User Manual page 53

First steps | Workpiece setup
Setting a preset
Select the Manual operation mode
Press the TOUCH PROBE soft key
The control displays the available functions in the
soft-key row.
Set the preset at a workpiece corner, for example
Use the axis direction keys to position the touch
probe near the first touch point on the first
workpiece edge
Select the probing direction via soft key
Press the NC Start key
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 near the second touch point on the
first workpiece edge
Press the NC start key
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 near the first touch point on the
second workpiece edge
Select the probing direction via soft key
Press the NC start key
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 near the second touch point on the
second workpiece edge
Press the NC start key
The touch probe moves in the defined direction
until it contacts the workpiece and then
automatically returns to its starting point.
The control then displays the coordinates of the
measured corner point.
Set to 0: Press the SET PRESET soft key
Press the END soft key to close the menu
Further information on this topic
Presetting
Further information: "Presetting with a 3-D touch probe (option
number 17)", Page 230
HEIDENHAIN | TNC 620 | User's Manual for Setup, Testing and Running NC Programs | 01/2022
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