EN ISO 6433-2012 en Technical product documentation - Part references《技术产品文件 零件参照》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 6433:2012Technical product documentation - Part references (ISO 6433:2012)BS EN ISO 6433:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implement

2、ation of EN ISO 6433:2012. It supersedes BS EN ISO 6433:1995 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee TDW/4, Technical Product Realization.A list of organizations represented on this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.This pub

3、lication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2012. Published by BSI Standards Limited 2012ISBN 978 0 580 67884 4 ICS 01.110; 91.010.30 Compliance with a British Standard cannot co

4、nfer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2012.Amendments issued since publicationDate T e x t a f f e c t e dEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 6433 May 2012 ICS 01.110

5、Supersedes EN ISO 6433:1994English Version Technical product documentation - Part references (ISO 6433:2012) Documentation technique de produits - Rfrences de pice (ISO 6433:2012) Technische Zeichnungen - Positionsnummern (ISO 6433:2012) This European Standard was approved by CEN on 10 May 2012. CEN

6、 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 appl

7、ication 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 Ma

8、nagement 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, Neth

9、erlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of expl

10、oitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 6433:2012: EBS EN ISO 6433:2012EN ISO 6433:2012 (E) 3 Foreword This document (EN ISO 6433:2012) has been prepared by Technical Committee ISO/TC 10 “Technical product documentation“ in collaboration wit

11、h CCMC. 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 November 2012, and conflicting national standards shall be withdrawn at the latest by November 2012. Attention is drawn to the possibility t

12、hat 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 ISO 6433:1994. According to the CEN/CENELEC Internal Regulations, the national standards organiza

13、tions 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, Portug

14、al, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 6433:2012 has been approved by CEN as a EN ISO 6433:2012 without any modification. BS EN ISO 6433:2012ISO 6433:2012(E)ForewordISO (the International Organization for Standar

15、dization) 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

16、 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 Stand

17、ards 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 Inter

18、national 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 6433 was

19、prepared by Technical Committee ISO/TC 10, Technical production documentation, Subcommittee SC 1, Basic conventions.This second edition cancels and replaces the first edition (ISO 6433:1981), which has been technically revised. ISO 2012 All rights reserved iiiBS EN ISO 6433:2012BS EN ISO 6433:2012Te

20、chnical product documentation Part references1 ScopeThis International Standard gives rules for the presentation of part references in assembly representations, e.g. on assembly drawings, in order to identify the constituent parts in a related parts list.2 Normative referencesThe following reference

21、d documents are indispensable for the application 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 128-22:1999, Technical drawings General principles of presentation Pa

22、rt 22: Basic conventions and applications for leader lines and reference linesISO 128-23:1999, Technical drawings General principles of presentation Part 23: Lines on construction drawingsISO 128-24:1999, Technical drawings General principles of presentation Part 24: Lines on mechanical engineering

23、drawingsISO 128-25:1999, Technical drawings General principles of presentation Part 25: Lines on shipbuilding drawingsISO 129-1:2004, Technical drawings Indication of dimensions and tolerances Part 1: General principlesISO 3098-0:1997, Technical product documentation Lettering Part 0: General requir

24、ementsISO 7573:2008, Technical product documentation Parts lists3 General requirementsIt is recommended that part references be assigned in sequential order (see 4.7).Identical parts shown in an assembly shall have the same part reference.Each complete sub-assembly incorporated in the superior assem

25、bly is identified by a single part reference.All part references shall be shown in a parts list (see ISO 7573) giving the appropriate information on the parts concerned.4 Presentation4.1 IdentifiersPreferably part references should consist of numerals only. If necessary, they may be augmented by the

26、 use of capital letters. The design, dimensions and spacing of the characters shall comply with ISO 3098-0.It is recommended that the part reference number contain a maximum of three characters.INTERNATIONAL STANDARD ISO 6433:2012(E) ISO 2012 All rights reserved 1BS EN ISO 6433:2012ISO 6433:2012(E)4

27、.2 AppearanceAll part references on the same drawing shall be of the same type and have the same height of lettering. They shall be clearly distinguishable from all other indications. This can be achieved for example by:a) encircling the characters of each part reference (see Figure 1); in this case

28、, the circles shall have the same diameter and be drawn with continuous narrow lines (type 01.1 of ISO 128-23, ISO 128-24 and ISO 128-25);Figure 1 Encircled-part reference numberb) using characters of a larger height, for example twice the height as used for dimensioning, and similar indications (se

29、e Figures 2 and 3).Figure 2 Part reference number written with larger character heightFigure 3 Alternative method of indication4.3 Identical partsPart references of identical parts should only be identified once, provided that there is no risk of ambiguity. For exceptions, see Annex A.4.4 LocationPa

30、rt references shall be placed outside the outlines of the parts concerned.The part reference should be connected to its associated part by a leader line (see Figures 1, 2 and 3), the termination of which shall comply with ISO 128-22.Leader lines shall not intersect. They should be kept as short as p

31、racticable and should preferably be drawn at an angle to the part reference. In the case of encircled-part references, the leader Iine shall be directed towards the centre of the circle.2 ISO 2012 All rights reservedBS EN ISO 6433:2012ISO 6433:2012(E)4.5 PositioningFor the sake of clarity and legibi

32、lity of a drawing, part references should preferably be arranged in horizontal rows and/or vertical columns (see Figure 4).When several part references use a common leader line, they may be arranged horizontally according to one of following methods illustrating four part references (8, 9, 10 and 11

33、).NOTE Method a) can also be arranged vertically.Methods:a)b)4.6 Related partsPart references of related parts, e.g. screw, washer and nut, may be identified by a common leader Iine (see Figure 4, parts 2, 3 and 4).4.7 Numbering sequenceA distinct sequence for numbering should be adopted: according

34、to the possible order of assembly; according to the importance of the component parts (sub-assemblies, major parts, minor parts, etc.); according to any other logical sequence.5 ExampleAn example of the application of part references for an assembly is given in Figure 4. ISO 2012 All rights reserved

35、 3BS EN ISO 6433:2012ISO 6433:2012(E)Figure 4 Use of part references on an assembly drawing4 ISO 2012 All rights reservedBS EN ISO 6433:2012ISO 6433:2012(E)Annex A (normative) Part references shown with number of partsThe number of parts is specified in the parts list and should be avoided in connec

36、tion to the part reference number on the drawing.For clarity, the same part reference number may need to be repeated at different locations. The number of parts at each location may also be needed. The part reference number shall then be encircled according to method a) in 4.2 and the indication of

37、number of parts should follow general drawing rules. The number of parts shall be indicated along with the symbol “” in accordance with ISO 129-1. See Figure A.1.Figure A.1 Part reference shown with number of partsWhen the number of parts is indicated for several part references using a common leade

38、r line, method a) in 4.5 shall be used. See Figure A.2.Example 1 Example 2Figure A.2 Indication of number of parts for several part references with common leader line ISO 2012 All rights reserved 5This page deliberately left blankThis page deliberately left blankBSI is the independent national body

39、responsible for preparing British Standards and other standards-related publications, information and services. It presents the UK view on standards in Europe and at the international level. BSI is incorporated by Royal Charter. British Standards and other standardisation products are published by B

40、SI Standards Limited.British Standards Institution (BSI)raising standards worldwideBSI389 Chiswick High Road London W4 4AL UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 Standards and PASs are periodically updated by amendment or revision. Users of British Standards and PASs should make sure that they

41、 possess the latest amendments or editions.It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using British Standards would inform the Secretary of the technical committee responsible, the identit

42、y of which can be found on the inside frontcover. Similary for PASs, please notify BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001BSI offers BSI Subscribing Members an individual updating service called PLUS which ensures that subscribers automatically receive the latest edit

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44、n be addressed to BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001Email: In response to orders for international standards, BSI will supply the British Standard implementation of the relevant international standard, unless otherwise requested.Information on standardsBSI provid

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49、t prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permissio

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