1、BS EN ISO 14405-1:2016Geometrical productspecifications (GPS) Dimensional tolerancingPart 1: Linear sizes (ISO 14405-1:2016)BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN ISO 14405-1:2016 BRITISH STANDARDNational forewordThis British Standard is the UK impleme
2、ntation of EN ISO14405-1:2016. It supersedes BS EN ISO 14405-1:2010 which iswithdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee TDW/4, Technical Product Realization.A list of organizations represented on this committee can beobtained on request to its secretary.This
3、 publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 84880 3ICS 17.040.10Compliance with a British Standard cannot confer immu
4、nity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 September 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 14405-1 August 2016
5、 ICS 17.040.10 Supersedes EN ISO 14405-1:2010English Version Geometrical product specifications (GPS) - Dimensional tolerancing - Part 1: Linear sizes (ISO 14405-1:2016) Spcification gomtrique des produits (GPS) - Tolrancement dimensionnel - Partie 1: Tailles linaires (ISO 14405-1:2016) Geometrische
6、 Produktspezifikation (GPS) - Dimensionelle Tolerierung - Teil 1: Lineare Grenmae (ISO 14405-1:2016) This European Standard was approved by CEN on 15 January 2016. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standa
7、rd 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,
8、 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, Bulg
9、aria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Tu
10、rkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.
11、 Ref. No. EN ISO 14405-1:2016 EBS EN ISO 14405-1:2016EN ISO 14405-1:2016 (E) 3 European foreword This document (EN ISO 14405-1:2016) has been prepared by Technical Committee ISO/TC 213 “Dimensional and geometrical product specifications and verification” in collaboration with Technical Committee CEN
12、/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 February 2017, and conflicti
13、ng national standards shall be withdrawn at the latest by February 2017. 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
14、 supersedes EN ISO 14405-1:2010. 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, Former Yugoslav R
15、epublic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 14405-1:2016 has be
16、en approved by CEN as EN ISO 14405-1:2016 without any modification. BS EN ISO 14405-1:2016ISO 14405-1:2016(E)Foreword ivIntroduction v1 Scope . 12 Normative references 23 Terms and definitions . 24 Specification modifiers and symbols .165 Default specification operator for size .195.1 General 195.2
17、ISO default specification operator for size . 205.3 Drawing-specific default specification operator for size .216 Drawing indication for special specification operators for size 226.1 Basic specification . 226.1.1 General. 226.1.2 Rules to indicate a basic GPS specification .226.1.3 Rules to indicat
18、e basic dimensional specification with modifiers .236.2 Indication of special specification operators . 246.2.1 One specification operator for both limits (upper and lower) of a size characteristic 246.2.2 Different specification operator for upper limit of size and lower limit of size .276.2.3 More
19、 than one dimensional specification applied to a linear feature of size .296.3 Tolerancing of fits on assembly drawings 307 Indication of the toleranced feature on which the size characteristic is defined 317.1 Complete toleranced linear feature of size 317.2 Specific fixed restricted portion of the
20、 feature of size .317.3 Any restricted portion of the feature of size of a specified length .327.4 Any cross section or any longitudinal section of a linear feature of size .337.5 Size characteristic in a specific cross section of a feature of size .357.6 Requirement applied individually for more th
21、an one feature of size .377.7 Requirement applied for more than one feature considered as one feature of size 387.8 Flexible/non-rigid parts 388 Complementary indication .39Annex A (normative) Proportions and dimensions of graphical symbols .40Annex B (informative) Overview diagram for linear size 4
22、2Annex C (informative) Data handling with rank-order modifiers 43Annex D (normative) Size characteristics 45Annex E (normative) Graphical rules to locate and dimension the dimensional specification elements .50Annex F (informative) Relation to the GPS matrix model 54Bibliography .56 ISO 2016 All rig
23、hts reserved iiiContents PageBS EN ISO 14405-1:2016ISO 14405-1:2016(E)ForewordISO (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 technic
24、al 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 wi
25、th the International Electrotechnical Commission (IEC) on all matters 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
26、for the different types of ISO documents should be noted. This document 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 righ
27、ts. ISO shall not be held responsible for identifying any or all 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
28、 document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to
29、Trade (TBT) see the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 213, Dimensional and geometrical product specification and verification.This second edition cancels and replaces the first edition (ISO 14405-1:2010), which has been technical
30、ly revised. The main changes from the previous edition are: Clauses 1 and 3, 5.3, 6.1, 6.2, 7.3, 7.8, Tables 1 and 2, and the figures have been technically revised; Clause 8 and Annexes D and E have been added.ISO 14405 consists of the following parts, under the general title Geometrical product spe
31、cifications (GPS) Dimensional tolerancing : Part 1: Linear sizes Part 2: Dimensions other than linear sizes Part 3: Angular sizesiv ISO 2016 All rights reservedBS EN ISO 14405-1:2016ISO 14405-1:2016(E)IntroductionThis part of ISO 14405 is a geometrical product specification (GPS) standard and is to
32、be regarded as a general GPS standard (see ISO 14638). It influences chain links A to C of the chain of standards on size.The ISO GPS matrix model given in ISO 14638 gives an overview of the ISO GPS system of which this part of ISO 14405 is a part. The fundamental rules of ISO GPS given in ISO 8015
33、apply to this part of ISO 14405 and the default decision rules given in ISO 14253-1 apply to the specifications made in accordance with this part of ISO 14405, unless otherwise indicated.For more detailed information of the relation of this part of ISO 14405 to other standards and the GPS matrix mod
34、el, see Annex F.Produced workpieces exhibit deviations from the ideal geometric form. The real value of the dimension of a feature of size is dependent on the form deviations and on the specific type of size applied.The type of size to be applied to a feature of size depends on the function of the w
35、orkpiece.The type of size can be indicated on the drawing by a specification modifier for controlling the feature definition. ISO 2016 All rights reserved vBS EN ISO 14405-1:2016BS EN ISO 14405-1:2016Geometrical product specifications (GPS) Dimensional tolerancing Part 1: Linear sizesIMPORTANT The i
36、llustrations included in this part of ISO 14405 are intended to illustrate the text and/or to provide examples of the related technical drawing specification. These illustrations are not fully dimensioned and toleranced showing only the relevant general principles. As a consequence, the illustration
37、s are not a representation of a complete workpiece 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 purposes1 ScopeThis part of ISO 14405 estab
38、lishes the default specification operator (see ISO 17450-2) for linear size and defines a number of special specification operators for linear size for features of size, e.g. “cylinder”, “sphere”, “torus,”1), “circle”, “two parallel opposite planes”, or “two parallel opposite straight lines”.It also
39、 defines the specification modifiers and the drawing indications for these linear sizes.This part of ISO 14405 covers the following linear sizes:a) local size: two-point size; spherical size; section size; portion size;b) global size: direct global linear size: least-squares size; maximum inscribed
40、size; minimum circumscribed size; minimax size; indirect global linear size;c) calculated size: circumference diameter; area diameter; volume diameter;1) A torus is a feature of size when its directrix diameter is fixed.INTERNATIONAL STANDARD ISO 14405-1:2016(E) ISO 2016 All rights reserved 1BS EN I
41、SO 14405-1:2016ISO 14405-1:2016(E)d) rank-order size: maximum size; minimum size; average size; median size; mid-range size; range of sizes; standard deviation of sizes.This part of ISO 14405 defines tolerances of linear sizes for the following: a + and/or limit deviation (e.g. 0/0,019) (see Figure
42、11); an upper limit of size (ULS) and/or lower limit of size (LLS) (e.g. 15,2 max., 12 min., or 30,2/30,181) (see Figure 13); an ISO tolerance class code in accordance with ISO 286-1 (e.g. 10 h6) (see Figure 12);with or without modifiers (see Tables 1 and 2).This part of ISO 14405 provides a set of
43、tools to express several types of size characteristic. It does not present any information on the relationship between a function or a use and a size characteristic.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable f
44、or its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 286-1, Geometrical product specifications (GPS) ISO code system for tolerances on linear sizes Part 1: Basis of toler
45、ances, deviations and fitsISO 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 17450-2:2012, Geometrical product specificati
46、ons (GPS) General concepts Part 2: Basic tenets, specifications, operators, uncertainties and ambiguitiesISO 17450-3, Geometrical product specifications (GPS) General concepts Part 3: Toleranced featuresISO 81714-1, Design of graphical symbols for use in the technical documentation of products Part
47、1: Basic rules3 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 286-1, ISO 8015, ISO 17450-1, ISO 17450-2, ISO 17450-3, and the following apply.2 ISO 2016 All rights reservedBS EN ISO 14405-1:2016ISO 14405-1:2016(E)3.1feature of sizefeature of linear si
48、ze or feature of angular sizeNote 1 to entry: Feature of linear size and feature of angular size are synonyms of linear feature of size and angular feature of size, respectively.Note 2 to entry: Figures 1 and 2 illustrate a linear feature of size, type cylinder, or two parallel opposite planes.Note
49、3 to entry: This part of ISO 14405 only deals with features of linear size which can be a cylinder, a sphere, two parallel opposite planes, a circle (intersection of a revolute surface and a plane perpendicular to the axis of the associated surface), two parallel opposite straight lines (the intersection of a cylindrical surface and a plane containing the associated axis of the cylindrical surface or a prismatic surface and a plane perpendicular to the associated median plane of the prismatic su
