Dimensional specifications
ISO recommendations for micro and macro geometry tolerancing of mechanical parts and their significance.
Archive REF: BM7010 V1
Dimensional specifications
ISO recommendations for micro and macro geometry tolerancing of mechanical parts and their significance.

Authors : Serge-François GABRIEL, Rénald VINCENT

Publication date: April 10, 2011 | Lire en français

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3. Dimensional specifications

3.1 General

There are two types of dimensional specifications:

  • linear dimensional specifications (linked to a size or dimension between two elements);

  • angular dimensional specifications.

The ISO 8015-1985 and ISO 14405-1 standards give meaning to dimensional specifications when a size is involved. The draft ISO 14405-2 specifies that other linear dimensional specifications and certain angular dimensional specifications may be interpreted in different ways, making the meaning of the specification interpretable.

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