EN ISO 5459:2011
(Main)Geometrical product specifications (GPS) - Geometrical tolerancing - Datums and datum systems (ISO 5459:2011)
Geometrical product specifications (GPS) - Geometrical tolerancing - Datums and datum systems (ISO 5459:2011)
ISO 5459:2011 specifies terminology, rules and methodology for the indication and understanding of datums and datum systems in technical product documentation. It also provides explanations to assist the user in understanding the concepts involved.
ISO 5459:2011 defines the specification operator (see ISO 17450-2) used to establish a datum or datum system. The verification operator (see ISO 17450-2) can take different forms (physically or mathematically) and is not the subject of ISO 5459:2011.
The detailed rules for maximum and least material requirements for datums are given in ISO 2692.
Geometrische Produktspezifikation (GPS) - Geometrische Tolerierung - Bezüge und Bezugssysteme (ISO 5459:2011)
Diese Internationale Norm legt die Terminologie, die Regeln und die Methodik zur Angabe und zum Verständnis von Bezügen und Bezugssystemen in technischen Produktdokumentationen fest. Diese Internationale Norm stellt auch Erklärungen zur Verfügung, um den Anwender dabei zu unterstützen, das zugrunde liegende Konzept zu verstehen.
Diese Internationale Norm legt den Spezifikationsoperator (siehe ISO 17450 2) fest, um einen Bezug oder ein Bezugssystem zu bilden. Der Verifikationsoperator (siehe ISO 17450 2) kann unterschiedliche Formen (physikalisch oder mathematisch) annehmen und ist nicht Gegenstand dieser Internationalen Norm.
ANMERKUNG Die ausführlichen Regeln für Maximum und Minimum Material Bedingungen für Bezüge sind in ISO 2692 angegeben.
Spécification géométrique des produits (GPS) - Tolérancement géométrique - Références spécifiées et systèmes de références spécifiées (ISO 5459:2011)
L'ISO 5459:2011 spécifie la terminologie, les règles et la méthodologie pour indiquer les références spécifiées et les systèmes de références spécifiées dans la documentation technique de produits. Elle fournit également des explications aidant l'utilisateur à la compréhension des concepts considérés.
L'ISO 5459:2011 définit l'opérateur de spécification utilisé pour établir une référence spécifiée ou un système de références spécifiées. L'opérateur de vérification qui peut prendre différentes formes (physique ou mathématique) ne fait pas l'objet de l'ISO 5459:2011.
Specifikacija geometrijskih veličin izdelka - Geometrijsko toleriranje - Reference in sistemi referenc (ISO 5459:2011)
Ta mednarodni standard določa terminologijo, pravila in metodologijo za indikacijo in razumevanje referenc in sistemov referenc v tehnični dokumentaciji proizvoda. Ta mednarodni standard prav tako zagotavlja pojasnila za pomoč uporabniku pri razumevanju vpletenih konceptov. Ta mednarodni standard določa operaterja specifikacij (glej ISO 17450-2), ki se uporablja za vzpostavitev reference ali sistema referenc. Operater specifikacije (glej ISO 17450-2) lahko prevzame različne oblike (fizične ali matematične) in ni predmet tega mednarodnega standarda.
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Geometrische Produktspezifikation (GPS) - Geometrische Tolerierung - Bezüge und Bezugssysteme (ISO 5459:2011)Spécification géométrique des produits (GPS) - Tolérancement géométrique - Références spécifiées et systèmes de références spécifiées (ISO 5459:2011)Geometrical product specifications (GPS) - Geometrical tolerancing - Datums and datum systems (ISO 5459:2011)17.040.40Geometrical Product Specification (GPS)17.040.10Tolerance in ujemiLimits and fitsICS:Ta slovenski standard je istoveten z:EN ISO 5459:2011SIST EN ISO 5459:2011en,fr01-oktober-2011SIST EN ISO 5459:2011SLOVENSKI
STANDARDSIST ISO 5459:19951DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN ISO 5459
August 2011 ICS 01.100.20; 17.040.10 English Version
Geometrical product specifications (GPS) - Geometrical tolerancing - Datums and datum systems (ISO 5459:2011)
Spécification géométrique des produits (GPS) - Tolérancement géométrique - Références spécifiées et systèmes de références spécifiées (ISO 5459:2011)
Geometrische Produktspezifikation (GPS) - Geometrische Tolerierung - Bezüge und Bezugssysteme (ISO 5459:2011)This European Standard was approved by CEN on 18 May 2011.
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-CENELEC 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-CENELEC 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 © 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 5459:2011: ESIST EN ISO 5459:2011
Reference numberISO 5459:2011(E)© ISO 2011
INTERNATIONAL STANDARD ISO5459Second edition2011-08-15Geometrical product specifications (GPS) — Geometrical tolerancing — Datums and datum systems Spécification géométrique des produits (GPS) — Tolérancement géométrique — Références spécifiées et systèmes de références spécifiées
ISO 5459:2011(E)
©
ISO 2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 • CH-1211 Geneva 20 Tel.
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ii © ISO 2011 – All rights reserved
ISO 5459:2011(E) © ISO 2011 – All rights reserved iii Contents Page Foreword.iv Introduction.v 1 Scope.1 2 Normative references.1 3 Terms and definitions.2 4 Symbols.6 5 Role of datums.7 6 General concepts.9 6.1 General.9 6.2 Intrinsic characteristics of surfaces associated with datum features.10 6.2.1 General.10 6.2.2 A single datum established from a single feature.10 6.2.3 Common datum established from two or more single features simultaneously.10 6.2.4 Datum systems established in a defined sequence from two or more single features.12 6.3 Single datums, common datums and datum systems.12 6.3.1 General.12 6.3.2 Single datums.12 6.3.3 Common datums.14 6.3.4 Datum systems.14 7 Graphical language.17 7.1 General.17 7.2 Indication of datum features.17 7.2.1 Datum feature indicator.17 7.2.2 Datum feature identifier.18 7.2.3 Datum targets.18 7.3 Specification of datums and datum systems.21 7.4 Indication and meaning of rules.21 7.4.1 General.21 7.4.2 Rules.22 Annex A (normative)
Association for datums.37 Annex B (informative)
Invariance classes.47 Annex C (informative)
Examples.49 Annex D (informative)
Former practices.71 Annex E (informative)
Examples of a datum system or a common datum established with contacting features.73 Annex F (normative)
Relations and dimensions of graphical symbols.79 Annex G (informative)
Relationship to the GPS matrix model.80 Bibliography.81
ISO 5459:2011(E) iv © ISO 2011 – All rights reserved 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 5459 was prepared by Technical Committee ISO/TC 213, Dimensional and geometrical product specification and verification. This second edition cancels and replaces the first edition (ISO 5459:1981), which has been technically revised. SIST EN ISO 5459:2011
ISO 5459:2011(E) © ISO 2011 – All rights reserved v Introduction ISO 5459 is a geometrical product specification (GPS) standard and is to be regarded as a general GPS standard (see ISO/TR 14638). It influences the chain links 1 to 3 of the chain of standards on datums. The ISO/GPS Masterplan given in ISO/TR 14638 gives an overview of the ISO/GPS system of which this standard is a part. The fundamental rules of ISO/GPS given in ISO 8015 apply to this standard and the default decision rules given in ISO 14253-1 apply to specifications made in accordance with this standard unless otherwise indicated. For more detailed information of the relation of this International Standard to the GPS matrix model, see Annex G. For the definitive presentation (proportions and dimensions) of symbols for geometrical tolerancing, see ISO 7083. The previous version of ISO 5459 dealt only with planes, cylinders and spheres being used as datums. There is a need to consider all types of surfaces, which are increasingly used in industry. The definitions of classes of surfaces as given in Annex B are exhaustive and unambiguous. This edition of ISO 5459 applies new concepts and terms that have not been used in previous ISO GPS standards. These concepts are described in detail in ISO/TR 14638, ISO 17450-1 and ISO 17450-2; therefore, it is recommended to refer to these standards when using ISO 5459. This International Standard provides tools to express location or orientation constraints, or both, for a tolerance zone. It does not provide information about the relationship between datums or datum systems and functional requirements or applications.
INTERNATIONAL STANDARD ISO 5459:2011(E) © ISO 2011 – All rights reserved 1 Geometrical product specifications (GPS) — Geometrical tolerancing — Datums and datum systems 1 Scope This International Standard specifies terminology, rules and methodology for the indication and understanding of datums and datum systems in technical product documentation. This International Standard also provides explanations to assist the user in understanding the concepts involved. This International Standard defines the specification operator (see ISO 17450-2) used to establish a datum or datum system. The verification operator (see ISO 17450-2) can take different forms (physically or mathematically) and is not the subject of this International Standard. NOTE The detailed rules for maximum and least material requirements for datums are given in ISO 2692. 2 Normativ
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