NF EN ISO 286-1

NF EN ISO 286-1

September 2010
Standard Current

Geometrical product specification (GPS) - ISO code system for tolerances of linear sizes - Part 1 : basis of tolerances, deviations and fits

ISO 286-1:2010 establishes the ISO code system for tolerances to be used for linear sizes of features of the following types: a) cylinder; b) two parallel opposite surfaces. ISO 286-1:2010 defines the basic concepts and the related terminology for this code system. It provides a standardized selection of tolerance classes for general purposes from amongst the numerous possibilities. Additionally, it defines the basic terminology for fits between two features of size without constraints of orientation and location and explains the principles of “basic hole” and “basic shaft”.

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National standards and national normative documents

Publication date

September 2010

Number of pages

50 p.

Reference

NF EN ISO 286-1

ICS Codes

17.040.10   Limits and fits
17.040.40   Geometrical Product Specification (GPS)

Classification index

E02-100-1

Print number

3 - 01/09/2013

International kinship

ISO 286-1:2010

European kinship

EN ISO 286-1:2010
Sumary
Geometrical product specification (GPS) - ISO code system for tolerances of linear sizes - Part 1 : basis of tolerances, deviations and fits

ISO 286-1:2010 establishes the ISO code system for tolerances to be used for linear sizes of features of the following types: a) cylinder; b) two parallel opposite surfaces.

ISO 286-1:2010 defines the basic concepts and the related terminology for this code system. It provides a standardized selection of tolerance classes for general purposes from amongst the numerous possibilities.

Additionally, it defines the basic terminology for fits between two features of size without constraints of orientation and location and explains the principles of “basic hole” and “basic shaft”.

Replaced standards (1)
NF EN 20286-1
December 1993
Standard Cancelled
Iso system of limits and fits. Part 1 : bases of tolerances, deviations and fits.

Table of contents
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  • Avant-propos
    iv
  • Introduction
    v
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Termes et définitions
    2
  • 3.1 Terminologie de base
    2
  • 3.2 Terminologie associée aux tolérances et aux écarts
    3
  • 3.3 Terminologie associée aux ajustements
    6
  • 3.4 Terminologie associée au système d'ajustement ISO
    9
  • 4 Système de codification ISO pour les tolérances sur les tailles linéaires
    11
  • 4.1 Concepts de base et désignations
    11
  • 4.2 Désignation de la classe de tolérance (règles d'écriture)
    13
  • 4.3 Détermination des écarts limites (règles de lecture)
    14
  • 4.4 Choix des classes de tolérance
    26
  • 5 Système ISO d'ajustement
    26
  • 5.1 Généralités
    26
  • 5.2 Généralités sur les ajustements
    27
  • 5.3 Détermination d'un ajustement
    27
  • Annexe A (informative) Information supplémentaire sur le système ISO de limites et d'ajustement et ancienne pratique
    29
  • Annexe B (informative) Exemples d'utilisation de l'ISO 286-1 pour déterminer les ajustements et classes de tolérance
    31
  • Annexe C (informative) Relation avec la matrice GPS
    36
  • Bibliographie
    38
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