BS-EN-4301-2009.pdf
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1、BS EN 4301:2009 ICS 49.050 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Aerospace series Identification marking methods for engine items Engineering requirements Licensed CopyChinese University of Hong Kong, 13/06/2009 05:50, Uncontrolled Copy, (c) BSI This
2、 British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2009 BSI 2009 ISBN 978 0 580 60985 5 Amendments/corrigenda issued since publication DateComments BS EN 4301:2009 National foreword This British Standard is the UK implementation of EN 4301:
3、2009. The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary prov
4、isions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Licensed CopyChinese University of Hong Kong, 13/06/2009 05:50, Uncontrolled Copy, (c) BSI BS EN 4301:2009 EUROPEAN STANDARD NORME EUROPENNE EURO
5、PISCHE NORM EN 4301 March 2009 ICS 49.050 English Version Aerospace series - Identification marking methods for engine items - Engineering requirements Srie arospatiale - Mthodes de marquage pour articles moteurs - Exigences techniques Luft- und Raumfahrt - Kennzeichnungsverfahren fr Triebwerkbautei
6、le - Technische Anforderungen This European Standard was approved by CEN on 1 March 2008. 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 li
7、sts 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 re
8、sponsibility 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, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,
9、 Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: A
10、venue Marnix 17, B-1000 Brussels 2009 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4301:2009: E Licensed CopyChinese University of Hong Kong, 13/06/2009 05:50, Uncontrolled Copy, (c) BSI BS EN 4301:2009 EN 4301:2009 (E) 2 Content
11、s Page Foreword 3? 1 Scope 4? 2 Normative references 4? 3 Terms and definitions .4? 4 Symbols and abbreviations 5? 5 Arrangement of marks 5? 5.1 General 5? 5.2 General arrangement .5? 6 Coding system .6? 6.1 Identification marking codes 6? 6.2 Standard combinations of identification marks .7? 6.3 In
12、dication on drawings 7? 6.3.1 General 7? 6.3.2 Meaning of codes given in example (Figure 2) 8? 6.3.3 Understanding Table 3 8? 7 Character height . 12? 8 Writing 12? 9 Depth of marks 12? 10 General marking conditions 12? 10.1 Introduction . 12? 10.2 Process quality . 12? 10.3 Marking quality 12? 10.4
13、 Surface treatment . 13? 10.5 Cast/forged parts 13? 10.6 Temporary production mark 13? 10.7 Re-marking 13? 10.8 Final inspection mark . 13? 11 Marking methods 14? 11.1 Permanent markings 14? 11.2 Temporary markings 15? Annex A (normative) Optical Character Recognition (O.C.R.) 17? Annex B (normative
14、) Character shapes and optical character recognition requirements (O.C.R.) for 5 7 dot matrix method 18? Annex C (normative) O.C.R. characters Common characteristics 20? Licensed CopyChinese University of Hong Kong, 13/06/2009 05:50, Uncontrolled Copy, (c) BSI BS EN 4301:2009 EN 4301:2009 (E) 3 Fore
15、word This document (EN 4301:2009) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations
16、 and the Official Services of the member countries of ASD, prior to its presentation to CEN. 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 September 2009, and conflicting national standards shal
17、l be withdrawn at the latest by September 2009. 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. According to the CEN/CENELEC Internal
18、Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
19、Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed CopyChinese University of Hong Kong, 13/06/2009 05:50, Uncontrolled Copy, (c) BSI BS EN 4301:2009 EN 4301:2009 (E) 4 1 Scope This standard describes the coding system for m
20、arks, the processes used to produce these marks, as well as the general marking requirements for the identification of aerospace engine items. This document is applicable to items whose engineering drawing or design folder refers to EN 4301 for all issues that are not in contradiction with specific
21、indications appearing on the engineering drawing or in the design folder. This document is not applicable to items requiring an identification plate. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the editi
22、on cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN ISO 3098-2, Technical product documentation Lettering Part 2: Latin alphabet, numerals and marks (ISO 3098-2:2000) 3 Terms and definitions For the purposes of this document,
23、 the following terms and definitions apply. 3.1 marking action of affixing one or more marks on a medium 3.2 mark physical information, composed of legible characters on the item or its packaging 3.3 permanent mark mark produced by means of a marking process whose characters can only be eliminated b
24、y removing material (machining) 3.4 temporary mark mark produced by means of a marking process whose characters can be easily removed 3.5 character each of the elements which compose the mark: letter, figure, symbol, separator, etc. 3.6 design authority person or corporate body who is in charge of t
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