BS EN 4301-2009 Aerospace series — Identification marking methods for engine items — Engineering requirements.pdf
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1、? ? ? ? ? ? ? ? ? Licensed Copy: x x, The University of Sheffield, 22/06/2009 23:37, Uncontrolled Copy, (c) BSI ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Licensed Copy: x x, The University of Sheffield, 22/06/2009 23:37, Uncontrolled Copy, (c) BSI BS EN 4301:2009 EUROPEAN STANDARD NORME EUROPENNE EU
2、ROPISCHE 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 Triebwerkbaut
3、eile - 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
4、lists 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
5、responsibility 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, Hungar
6、y, 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:
7、 Avenue 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 Copy: x x, The University of Sheffield, 22/06/2009 23:37, Uncontrolled Copy, (c) BSI BS EN 4301:2009 EN 4301:2009 (E) 2 Co
8、ntents 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
9、.3 Indication 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、10.4 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 (norma
11、tive) 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 Copy: x x, The University of Sheffield, 22/06/2009 23:37, Uncontrolled Copy, (c) BSI ? BS EN 4301:2009 EN 4301:2009 (
12、E) 3 Foreword 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 Ass
13、ociations 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 stand
14、ards shall 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
15、Internal 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
16、, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: x x, The University of Sheffield, 22/06/2009 23:37, Uncontrolled Copy, (c) BSI ? BS EN 4301:2009 EN 4301:2009 (E) 4 1 Scope This standard describes the codin
17、g system for marks, 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
18、with specific 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,
19、only the edition 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
20、this document, 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 b
21、e eliminated by 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
22、in charge of the design definition 3.7 design definition creative activity which, starting from expressed needs, existing means, and technological possibilities, results in the design of a product meeting these needs and industrially feasible Licensed Copy: x x, The University of Sheffield, 22/06/20
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