HEIDENHAIN ND 1400 - Manual (Page 93)

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7
Tolerancing
Position/Concentricity circles and arcs
Concentricity tolerances can be applied to circles and arcs. The toler-
ance entry screens are identical, and are used to specify the accept-
able position deviation from a circle or arc concentric to a reference
feature.
Enter the acceptable position deviation into the Tol Zone data field
and then enter the number of the reference feature for the concentricity
tolerance into the Ref Feature data field.
Form/Straightness lines
The straightness tolerance can be applied to lines and is used to specify
the acceptable deviation from a perfect line.
Enter the acceptable form deviation into the Tol Zone data field .
Form/Roundness circles, arcs and spheres
Roundness tolerances can be applied to circles, arcs and spheres. The
tolerance screens are identical, and are used to specify the acceptable
deviation from a perfect circle or circle segment.
Enter the acceptable form deviation into the Tol Zone data field.
Tolerance Types