1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Geometrical product specifications (GPS) - Geometrical tolerancing - Pattern and combined geometrical specificationBS EN ISO 5458:2018National forewordThis British Standard is the UK implementation of EN ISO 5458:2018.
2、It is identical to ISO 5458:2018. It supersedes BS EN ISO 5458:1999, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee TDW/4, Technical Product Realization.A list of organizations represented on this committee can be obtained on request to its secretary.
3、This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 85376 0ICS 17.040.01; 01.100.01; 17.040.40Compliance with a British
4、 Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN ISO 5458:2018EUROPEAN STANDARDNORME EUR
5、OPENNEEUROPISCHE NORMEN ISO 5458June 2018ICS 17.040.10 Supersedes EN ISO 5458:1998EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGCEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2018 CEN Ref. No. EN ISO 5458:2018: EAll rights of expl
6、oitation in any form and by any means reserved worldwide for CEN national MembersGeometrical product specifications (GPS) - Geometrical tolerancing - Pattern and combined geometrical specification (ISO 5458:2018)Spcification gomtrique des produits (GPS) - Tolrancement gomtrique - Spcification gomtri
7、que de groupes dlments et spcification gomtrique combine (ISO 5458:2018)Geometrische Produktspezifikation (GPS) - Form und Lagetolerierung - Positions- und Mustertolerierung (ISO 5458:2018)This European Standard was approved by CEN on 25 February 2018.CEN members are bound to comply with the CEN/CEN
8、ELEC 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
9、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 off
10、icial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands,
11、 Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.English VersionEN ISO 5458:2018 (E)European forewordThis document (EN ISO 5458:2018) has been prepared by Technical Committee ISO/TC 213 “Dimensional and geometrical product specific
12、ations 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
13、text or by endorsement, at the latest by December 2018, and conflicting national standards shall be withdrawn at the latest by December 2018.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for ide
14、ntifying any or all such patent rights.This document supersedes EN ISO 5458:1998.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 Republ
15、ic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom
16、.Endorsement noticeThe text of ISO 5458:2018 has been approved by CEN as EN ISO 5458:2018 without any modification.iiBS EN ISO 5458:2018ISO 5458:2018Foreword ivIntroduction v1 Scope .12 Normative references 13 Terms and definitions .14 Symbols and specification modifiers 35 Principles . 35.1 General
17、 . 35.2 Concepts . 45.3 Rule A: for position specification 45.4 Rules for pattern specification 55.4.1 General 55.4.2 Rule B: constraints . 55.4.3 Rule C: indication of a single indicator pattern specification 65.4.4 Rule D: indication of a multiple indicator pattern specification . 85.4.5 Rule E: i
18、ndication of multi-level single indicator pattern specification 125.5 Pattern characteristic . 17Annex A (informative) Former practice, important changes .18Annex B (informative) Differences between ISO 5458:1998 and this document .20Annex C (informative) Examples of pattern specifications 22Annex D
19、 (normative) Relations and dimensions of graphical symbols 41Annex E (informative) Concept diagram for pattern specification and relation with modifiers 42Annex F (informative) Relation to the GPS matrix model 43Bibliography .44 ISO 2018 All rights reserved iiiContents PageBS EN ISO 5458:2018ISO 545
20、8:2018ForewordISO (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 whic
21、h 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 ma
22、tters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This d
23、ocument was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).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
24、 such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and
25、does not constitute an endorsement.For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Tr
26、ade (TBT) see the following URL: www.iso.org/iso/foreword.html.This document was prepared by Technical Committee ISO/TC 213, Dimensional and geometrical product specifications and verification.This third edition cancels and replaces the second edition (ISO 5458:1998), which has been technically revi
27、sed.The main changes to the previous edition are as follows: exception from the independency principle removed according to ISO 8015; rules harmonized to align with ISO 1101; unstated rules in ISO 5458:1998 removed; concept of “pattern” to control all types of geometrical features introduced more ge
28、nerically, rather than applying it only with position symbol.iv ISO 2018 All rights reservedBS EN ISO 5458:2018ISO 5458:2018IntroductionThis document is a geometrical product specification (GPS) standard and is to be regarded as a general GPS standard (see ISO 14638). It influences chain links A, B
29、and C for form, orientation and location.The ISO/GPS matrix model given in ISO 14638 gives an overview of the ISO/GPS system of which this document is a part. The fundamental rules of ISO/GPS given in ISO 8015 apply to this document and the default decision rules given in ISO 14253-1 apply to specif
30、ications made in accordance with this document, unless otherwise indicated.For more detailed information of the relation of this document to the GPS matrix model, see Annex F.ISO 1101 and other relevant documents, such as those dealing with the least and maximum material requirement (ISO 2692) and t
31、he datum system (ISO 5459), should be taken into consideration when using this document.This document provides rules for the tolerancing of a tolerance zone pattern, i.e. a collection of tolerance zones constrained to each other with or without reference to a datum system which does not lock all deg
32、rees of freedom.For the presentation of lettering (proportions and dimensions), see ISO 3098-2.All figures in this document for the 2D drawing indications have been drawn in first-angle projection with dimensions and tolerances in millimeters. It should be understood that third-angle projection and
33、other units of measurement could have been used equally well without prejudice to the principles established.Annexes A and B provide more information on the changes in practice and differences between this document and ISO 1101 on one hand and ISO 5458:1998 on the other hand. ISO 2018 All rights res
34、erved vBS EN ISO 5458:2018This page deliberately left blankGeometrical product specifications (GPS) - Geometrical tolerancing - Pattern and combined geometrical specificationIMPORTANT The illustrations included in this document are intended to illustrate the text and/or to provide examples of the re
35、lated technical drawing specification; these illustrations are not fully dimensioned and toleranced, showing only the relevant general principles. In particular, many illustrations do not contain filter specifications. As a consequence, the illustrations are not a representation of a complete workpi
36、ece, and are not of a quality that is required for use in industry (in terms of full conformity with the standards prepared by ISO/TC 10 and ISO/TC 213), and as such are not suitable for projection for teaching purposes.1 ScopeThis document establishes complementary rules to ISO 1101 to be applied t
37、o 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
38、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 specifica
39、tions 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.2 Normative referencesThe following documents are referred to in the text in such a way that some or all of their co
40、ntent constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 1101, Geometrical product specifications (GPS) Geometrical tolerancing Tolerances of for
41、m, orientation, location and run-outISO 8015, Geometrical product specifications (GPS) Fundamentals Concepts, principles and rulesISO 17450-1, Geometrical product specifications (GPS) General concepts Part 1: Model for geometrical specification and verificationISO 17450-2, Geometrical product specif
42、ications (GPS) General concepts Part 2: Basic tenets, specifications, operators, uncertainties and ambiguitiesISO 22432, Geometrical product specifications (GPS) Features utilized in specification and verification3 Terms and definitionsFor the purposes of this document, the terms and definitions giv
43、en in ISO 8015, ISO 1101, ISO 17450-1, ISO 17450-2, ISO 22432 and the following apply.INTERNATIONAL STANDARD ISO 5458:2018 ISO 2018 All rights reserved 1BS EN ISO 5458:2018ISO 5458:2018ISO and IEC maintain terminological databases for use in standardization at the following addresses: ISO Online bro
44、wsing platform: available at https:/www.iso.org/obp IEC Electropedia: available at http:/www.electropedia.org/3.1pattern specificationcombined requirement indicated by a set of geometrical specifications, and controlled by a tolerance zone patternNote 1 to entry: The geometrical features controlled
45、by a pattern specification can be a set of compound features, united features or single features, which can be features of size (linear or angular).Note 2 to entry: Annex C provides examples of pattern specifications in Table C.1.Note 3 to entry: The set of pattern features controlled by a pattern s
46、pecification does not define a united feature. A united feature can be a pattern feature, i.e. one of the members of the toleranced features controlled by a pattern specification.3.2pattern featuregeometrical feature which is a member of the set of features controlled by a pattern specification3.3to
47、lerance zone patterncombination of more than one tolerance zone, having, without priority between them, constraints of orientation and location, or constraints of orientationNote 1 to entry: A tolerance zone pattern is composed of several tolerance zones which can have different nominal geometries.N
48、ote 2 to entry: A tolerance zone pattern can be established without external constraint or with orientation constraint and/or location constraint from a datum system.3.4pattern characteristicgeometrical characteristic controlled by a pattern specification3.5theoretical exact feature patternTEF patte
49、rncombination of more than one TEF having, without priority between them, constraints of orientation and location, or constraints of orientation, used to establish the pattern characteristicNote 1 to entry: A TEF pattern is composed of several TEFs which can have different nominal geometries and constrained between them, with respect to their relative location and/or orientation.Note 2 to entry: A TEF pattern can be established without external constraint or with orientation constraint and/or location constraint from a datum s
