EN ISO 286-1:2010
(Main)Geometrical product specifications (GPS) - ISO code system for tolerances on linear sizes - Part 1: Basis of tolerances, deviations and fits (ISO 286-1:2010)
Geometrical product specifications (GPS) - ISO code system for tolerances on linear sizes - Part 1: Basis of tolerances, deviations and fits (ISO 286-1:2010)
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”.
Geometrische Produktspezifikation (GPS) - ISO-Toleranzsystem für Längenmaße - Teil 1: Grundlagen für Toleranzen, Abmaße und Passungen (ISO 286-1:2010)
Dieser Teil von ISO 286 legt das ISO-Toleranzsystem für Längenmaße von Maßelementen der Arten:
a) Zylinder;
b) zwei parallelen, sich gegenüberliegenden Flächen
fest.
Er definiert auch die Grundlagen und zugehörige Terminologie für das System und stellt außerdem eine
genormte Auswahl von Toleranzklassen für den allgemeinen Gebrauch aus den umfangreichen Möglichkeiten
des Systems zur Verfügung.
Er definiert die grundlegende Terminologie für Passungen zwischen zwei Maßelementen ohne Bezug auf
Richtung und Lage und erklärt die Prinzipien der „Einheitsbohrung“ und „Einheitswelle“.
Spécification géométrique des produits (GPS) - Système de codification ISO pour les tolérances sur les tailles linéaires - Partie 1: Base des tolérances, écarts et ajustements (ISO 286-1:2010)
L'ISO 286-1:2010 établit un système de codification à utiliser pour les tailles des entités dimensionnelles des types suivants: a) cylindre; b) deux surfaces parallèles opposées.
L'ISO 286-1:2010 définit les concepts fondamentaux et la terminologie relative à ce système de codification. Elle fournit une sélection normalisée des classes de tolérances pour usage général parmi les nombreuses possibilités.
En outre, elle définit la terminologie de base pour les ajustements entre deux entités dimensionnelles sans contrainte d'orientation et de position et explique les principes «d'alésage normal» et «d'arbre normal».
Specifikacija geometrijskih veličin izdelka - Tolerančni sistem ISO za dolžinske mere - 1. del: Osnova za tolerance, odstopanja in ujeme (ISO 286-1:2010)
Ta del ISO 286 vzpostavlja tolerančni sistem ISO za uporabo za dolžinske mere oblik naslednjih vrst: a) valj; b) dve vzporedni nasprotni površini. Določa osnovne koncepte in povezano terminologijo za ta kodni sistem. Zagotavlja standardiziran izbor tolerančnih razredov za splošne namene izmed vseh številnih možnosti. Poleg tega definira osnovno terminologijo za ujeme med dvema oblikama velikosti, brez omejitev glede usmerjenosti in lokacije, ter pojasnjuje načela »osnovne odprtine« in »osnovne palice«.
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Standards Content (Sample)
SLOVENSKI STANDARD
01-december-2010
1DGRPHãþD
SIST EN 20286-1:2000
SIST ISO 1829:1999
SIST ISO 286-1:1999
6SHFLILNDFLMDJHRPHWULMVNLKYHOLþLQL]GHOND7ROHUDQþQLVLVWHP,62]DGROåLQVNH
PHUHGHO 2VQRYD]DWROHUDQFHRGVWRSDQMDLQXMHPH ,62
Geometrical product specifications (GPS) - ISO code system for tolerances on linear
sizes - Part 1: Basis of tolerances, deviations and fits (ISO 286-1:2010)
Geometrische Produktspezifikation (GPS) - ISO-Toleranzsystem für Längenmaße - Teil
1: Grundlagen für Toleranzen, Abmaße und Passungen (ISO 286-1:2010)
Spécification géométrique des produits (GPS) - Systeme de codification ISO pour les
tolérances sur les tailles linéaires - Partie 1: Base des tolérances, écarts et ajustements
(ISO 286-1:2010)
Ta slovenski standard je istoveten z: EN ISO 286-1:2010
ICS:
17.040.10 Tolerance in ujemi Limits and fits
17.040.40 6SHFLILNDFLMDJHRPHWULMVNLK Geometrical Product
YHOLþLQL]GHOND *36 Specification (GPS)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD
EN ISO 286-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2010
ICS 17.040.10 Supersedes EN 20286-1:1993
English Version
Geometrical product specifications (GPS) - ISO code system for
tolerances on linear sizes - Part 1: Basis of tolerances,
deviations and fits (ISO 286-1:2010)
Spécification géométrique des produits (GPS) - Système Geometrische Produktspezifikation (GPS) - ISO-
de codification ISO pour les tolérances sur les tailles Toleranzsystem für Längenmaße - Teil 1: Grundlagen für
linéaires - Partie 1: Base des tolérances, écarts et Toleranzen, Abmaße und Passungen (ISO 286-1:2010)
ajustements (ISO 286-1:2010)
This European Standard was approved by CEN on 6 February 2010.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the CEN Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the
official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2010 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 286-1:2010: E
worldwide for CEN national Members.
Contents Page
Foreword .3
Foreword
This document (EN ISO 286-1:2010) has been prepared by Technical Committee ISO/TC 213 "Dimensional
and geometrical product specifications and verification" in collaboration with Technical Committee
CEN/TC 290 “Dimensional and geometrical product specification and verification” the secretariat of which is
held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by October 2010, and conflicting national standards shall be withdrawn at
the latest by October 2010.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 20286-1:1993.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
Endorsement notice
The text of ISO 286-1:2010 has been approved by CEN as a EN ISO 286-1:2010 without any modification.
INTERNATIONAL ISO
STANDARD 286-1
Second edition
2010-04-15
Geometrical product specifications
(GPS) — ISO code system for tolerances
on linear sizes —
Part 1:
Basis of tolerances, deviations and fits
Spécification géométrique des produits (GPS) — Système de
codification ISO pour les tolérances sur les tailles linéaires —
Partie 1: Base des tolérances, écarts et ajustements
Reference number
ISO 286-1:2010(E)
©
ISO 2010
ISO 286-1:2010(E)
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ii © ISO 2010 – All rights reserved
ISO 286-1:2010(E)
Contents Page
Foreword .iv
Introduction.v
1 Scope.1
2 Normative references.1
3 Terms and definitions .1
3.1 Basic terminology .2
3.2 Terminology related to tolerances and deviations .2
3.3 Terminology related to fits .5
3.4 Terminology related to the ISO fit system .9
4 ISO code system for tolerances on linear sizes.11
4.1 Basic concepts and designations .11
4.2 Designation of the tolerance class (writing rules) .13
4.3 Determination of the limit deviations (reading rules).14
4.4 Selection of tolerance classes .26
5 ISO fit system.26
5.1 General .26
5.2 Generics of fits .27
5.3 Determination of a fit.27
Annex A (informative) Further information about the ISO system of limits and fits and former
practice.29
Annex B (informative) Examples of the use of ISO 286-1 to determine fits and tolerance classes .31
Annex C (informative) Relationship to the GPS matrix model .36
Bibliography.38
ISO 286-1:2010(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 286-1 was prepared by Technical Committee ISO/TC 213, Dimensional and geometrical product
specifications and verification.
This second edition of ISO 286-1 cancels and replaces ISO 286-1:1988 and ISO 1829:1975, which have been
technically revised.
ISO 286 consists of the following parts, under the general title Geometrical product specifications (GPS) —
ISO code system for tolerances on linear sizes:
⎯ Part 1: Basis of tolerances, deviations and fits
⎯ Part 2: Tables of standard tolerance grades and limit deviations for holes and shafts
iv © ISO 2010 – All rights reserved
ISO 286-1:2010(E)
Introduction
This International Standard is a geometrical product specification (GPS) standard and is to be regarded as a
general GPS standard (see ISO/TR 14638). It influences chain links 1 and 2 of the chain of standards on size
in the general GPS matrix.
For more detailed information on the relation of this part of ISO 286 to the GPS matrix model, see Annex C.
The need for limits and fits for machined workpieces was brought about mainly by the requirement for
interchange ability between mass produced parts and the inherent inaccuracy of manufacturing methods,
coupled with the fact that “exactness” of size was found to be unnecessary for the most workpiece features. In
order that fit function could be satisfied, it was found sufficient to manufacture a given workpiece so that its
size lay within two permissible limits, i.e. a tolerance, this being the variation in size acceptable in manufacture
while ensuring the functional fit requirements of the product.
Similarly, where a specific fit condition is required between mating features of two different workpieces, it is
necessary to ascribe an allowance, either positive or negative, to the nominal size to achieve the required
clearance or interference. This part of ISO 286 gives the internationally accepted code system for tolerances
on linear sizes. It provides a system of tolerances and deviations suitable for two features of size types:
“cylinder” and “two parallel opposite surfaces”. The main intention of this code system is the fulfilment of the
function fit.
The terms “hole”, “shaft” and “diameter” are used to designate features of size type cylinder (e.g. for the
tolerancing of diameter of a hole or shaft). For simplicity, they are also used for two parallel opposite surfaces
(e.g. for the tolerancing of thickness of a key or width of a slot).
The pre-condition for the application of the ISO code system for tolerances on linear sizes for the features
forming a fit is that the nominal sizes of the hole and the
...
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