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2 setting the datum with a 3-d touch probe, 2 set ting the d a tum with a 3-d touc h pr obe – HEIDENHAIN TNC 410 User Manual

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HEIDENHAIN TNC 410

The TNC saves the basic rotation in non-volatile memory. The basic
rotation is effective for all subsequent program runs and test runs.

Displaying a basic rotation
The angle of the basic rotation appears after ROTATION ANGLE
whenever PROBING ROT is selected. The TNC also displays the
rotation angle in the additional status display (screen layout:
PROGRAM + STATUS POSITION DISPLAY).

In the status display a symbol is shown for a basic rotation
whenever the TNC is moving the axes according to a basic rotation.

To cancel a basic rotation:

ú

Select the touch probe function: Press the PROBING ROT soft key

ú

Enter a rotation angle of zero and confirm with the ENT key.

ú

To terminate the probe function, press the END key.

12.2 Setting the Datum with a

3-D Touch Probe

The following functions are available for setting the datum on an
aligned workpiece:

Datum setting in any axis with PROBING POS

Defining a corner as datum with PROBING P

Setting the datum at a circle center with PROBING CC

Setting the datum in any axis
(see figure at bottom right)

ú

Select the touch probe function: Press the PROBING
POS soft key

ú

Move the touch probe to a starting position near the
first touch point

ú

Select the probe axis and direction in which you wish
to set the datum, such as Z in direction Z–. Selection is
made with the arrow keys.

ú

To probe the workpiece, press the machine START
button.

ú

Datum: Enter the nominal coordinate and confirm you
entry with ENT.

12.2 Set

ting the D

a

tum with a 3-D

Touc

h

Pr

obe

Y

X

Z