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5. Compound specified entities
5.1 Specified entity made up of several surfaces
A functional or linking entity can be made up of several adjacent or separate, identical or similar elementary surfaces.
In this case, the indication UF for "United Feature" must be placed above the tolerance frame.
The entity specified with UF is considered as a single surface and therefore with a single tolerance zone.
With
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Compound specified entities
Bibliography
Standards and norms
- Geometric product specification (GPS) – ISO coding system for linear size tolerances – Part 1: Basics of tolerances, deviations and fits - NF EN ISO 286-1 - 2010
- ISO metric threads for general use – Tolerances – Part 1: Principles and fundamentals - NF ISO 965-1 - 2013
- Geometric product specification (GPS) – Geometric tolerancing – Form, orientation, position and runout tolerancing - NF EN ISO 1101 - 2017 ...
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