Heidenhain TNC 320 (340 55x-03) Touch Probe Cycles User Manual download pdf (Page 38)

2.5 Measuring Workpieces with a 3-D Touch Probe

To measure workpiece dimensions

8 Select the probe function by pressing the PROBING

POS soft key.

8 Position the touch probe at a starting position near the

first touch point A.

8 Select the probing direction by soft key.

8 To probe the workpiece, press the machine START

button.

8 If you will need the current datum later, write down

the value that appears in the Datum display.

8 Datum: Enter “0”.

8 To terminate the dialog, press the END key.

8 Select the probe function by pressing the PROBING

POS soft key.

8 Position the touch probe at a starting position near the

second touch point B.

8 Select the probe direction with the soft keys: Same

axis but from the opposite direction.

8 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:

8 Select the probe function by pressing the PROBING POS soft key.

8 Probe the first touch point again.

8 Set the datum to the value that you wrote down previously.

8 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

 the angle between the angle reference axis and a workpiece side, or

 the angle between two sides.

The measured angle is displayed as a value of maximum 90°.

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Heidenhain TNC 320 (340 55x-03) Touch Probe Cycles User Manual Page 38