NF EN ISO 5458

NF EN ISO 5458

June 2018
Standard Current

Geometrical product specifications (GPS) - Geometrical tolerancing - Pattern and combined geometrical specification

This document establishes complementary rules to ISO 1101 to be applied to pattern specifications and defines rules to combine individual specifications, for geometrical specifications e.g. using the symbols POSITION, SYMMETRY, LINE PROFILE and SURFACE PROFILE, as well as STRAIGHTNESS (in the case where the toleranced features are nominally coaxial) and FLATNESS (in the case where the toleranced features are nominally coplanar) as listed in Annex C. These rules apply when a set of tolerance zones are grouped together with location or orientation constraints, through the use of the CZ, CZR or SIM modifiers. This document does not cover the use of the pattern specifications when the least and maximum material requirement is applied (see ISO 2692). This document does not cover the establishment of common datum (see ISO 5459) based on pattern features.

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Main informations

Collections

National standards and national normative documents

Publication date

June 2018

Number of pages

54 p.

Reference

NF EN ISO 5458

ICS Codes

01.100.01   Technical drawings in general
17.040.10   Limits and fits
17.040.40   Geometrical Product Specification (GPS)

Classification index

E04-559

Print number

1

International kinship

ISO 5458:2018

European kinship

EN ISO 5458:2018
Sumary
Geometrical product specifications (GPS) - Geometrical tolerancing - Pattern and combined geometrical specification

This document establishes complementary rules to ISO 1101 to be applied to pattern specifications and defines rules to combine individual specifications, for geometrical specifications e.g. using the symbols POSITION, SYMMETRY, LINE PROFILE and SURFACE PROFILE, as well as STRAIGHTNESS (in the case where the toleranced features are nominally coaxial) and FLATNESS (in the case where the toleranced features are nominally coplanar) as listed in Annex C.

These rules apply when a set of tolerance zones are grouped together with location or orientation constraints, through the use of the CZ, CZR or SIM modifiers.

This document does not cover the use of the pattern specifications when the least and maximum material requirement is applied (see ISO 2692).

This document does not cover the establishment of common datum (see ISO 5459) based on pattern features.

Replaced standards (1)
NF EN ISO 5458
June 1999
Standard Cancelled
Geometrical product specifications (GPS). Geometrical tolerancing. Positional tolerancing.

<p> La présente Norme internationale décrit le tolérancement de localisation. Cette méthode de tolérancement s'applique à la position d'un point, d'une ligne nominalement droite ou d'une surface nominalement plane, par exemple le centre d'une sphère, l'axe d'un alésage ou d'un arbre, la surface médiane d'une rainure. <br/> <br/>NOTE Le tolérancement de profil est utilisé dans le cas de lignes nominalement non rectilignes ou de surfaces nominalement non planes, voir l'ISO 1660. </p>

Table of contents
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  • Avant-propos
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Symboles et modificateurs de spécification
  • 5 Principes
  • Annexe D (normative) Relations et dimensions des symboles graphiques
  • Annexe A (informative) Anciennes pratiques, changements importants
  • Annexe B (informative) Différences entre l'ISO 5458:1998 et le présent document
  • Annexe C (informative) Exemples de spécifications de groupes d'éléments
  • Annexe E (informative) Schéma conceptuel des spécifications de groupe d'éléments et relation avec les modificateurs
  • Annexe F (informative) Relation avec le modèle de matrice GPS
  • Bibliographie
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