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1. Problems encountered with current standards
In this article, texts in italics correspond to quotations from the technical report ISO/TR 14638 (Oct. 1996), or from other standards (in which case it is specified which standard is referred to).
For many years, GPS standards were prepared and published by technical committees (ISO/TC 3 "Fitting", ISO/TC 10/SC5 "Dimensioning and tolerancing", and ISO/TC 57 "Metrology and surface properties") as and when specific needs arose, but without a global vision. This has resulted in standards with different approaches and presentations, and sometimes even contradictions. There are also gaps between these standards.
Aware of this, an ISO/TC 213 technical committee on "Dimensional and geometrical product specification and verification" was set up to ensure a convergence of views between the various players....
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Problems encountered with current standards
Tolerancing issues
Bibliography
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Standardization
In order to delve deeper into this subject, it seems essential to refer to current standards. They evolve rapidly, and new ones are regularly adopted. To keep abreast of developments, we recommend consulting the Afnor website, where a list of international, European and French standards is kept up to date.
- Geometric Product Specification (GPS) – Master plan. - CR ISO/TR 14638 - (oct. 1996)
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Websites
•Afnor website : http://www.afnor.fr
•ISO website : http://www.iso.ch
•Geometric tolerancing – F. SCHNEIDER IUFM de Lorraine, Université de Metz – [email protected]
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