HEIDENHAIN IK 5394-3D - Manual (Page 396)

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Chapter 5 Tolerancing & Templates
Width tolerance
Use the width tolerance to establish the amount of deviation in the distance
between two linear features.
To perform a width tolerance
Step 1
Highlight the desired distance in the features list.
NOTE
Use a distance only. Width tolerances do not apply to other
types of features.
Step 2
Click the width button on the tolerance toolbar.
Step 3
Enter the nominal values as shown.
CAUTION
Enter tolerance values in the appropriate units of measurement.
For example, if you are measuring in metric (mm) enter tolerance
data in metric (mm).
Step 4
Enter the nominal + and nominal - values as shown.