Measuring workpiece dimensions – HEIDENHAIN TNC 426B (280 472) Touch Probe Cycles User Manual
Page 37
HEIDENHAIN TNC 426, TNC 430
25
2.6 Measur
ing W
o
rk
pieces with a 3-D T
ouc
h Pr
obe
Measuring workpiece dimensions
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Select the probing function by pressing the PROBING
POS soft key.
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Position the touch probe at a starting position near the
first touch point A.
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Select the probing direction with a soft key.
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To probe the workpiece, press the machine START
button.
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If you will need the current datum later, write down
the value that appears in the datum display.
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Datum: Enter “0”.
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To terminate the dialog, press the END key.
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Select the probing function by pressing the PROBING
POS soft key.
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Position the touch probe at a starting position near the
second touch point B
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Select the probe direction with the soft keys: Same
axis but from the opposite direction.
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To probe the workpiece, press the machine START
button.
The value displayed as datum is the distance between the two points
on the coordinate axis.
To return to the datum that was active before the length
measurement:
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Select the probing function by pressing the PROBING POS soft key.
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Probe the first touch point again.
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Set the datum to the value that you wrote down previously.
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To terminate the dialog, press the END key.
Measuring angles
You can use the 3-D touch probe to measure angles in the working
plane. You can measure
n
the angle between the angle reference axis and a workpiece side, or
n
the angle between two sides.
The measured angle is displayed as a value of maximum 90°.
Y
X
Z
A
B
l