BS EN 2851-1992 Marking of parts and assemblies other than engines - Indications on drawings《发动机之外的零部件和组件的标志 图纸上标示》.pdf
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1、BRITISH STANDARD AEROSPACE SERIES BS EN 2851:1992 Marking of parts and assemblies other than engines Indications on drawings The European Standard EN2851:1992 has the status of a BritishStandardBSEN2851:1992 This BritishStandard, having been prepared under the directionof the Aerospace Standards Pol
2、icy Committee, waspublished under the authorityof the Standards Boardand comes into effect on 15June1992 BSI 01-2000 The following BSI references relate to the work on this standard: Committee reference ACE/- Draft for comment90/70820DC ISBN 0 580 20936 9 Cooperating organizations The European Commi
3、ttee for Standardization (CEN), under whose supervision this European Standard was prepared, comprises the national standards organizations of the following countries: Austria Oesterreichisches Normungsinstitut Belgium Institut belge de normalisation Denmark Dansk Standardiseringsraad Finland Suomen
4、 Standardisoimisliito, r.y. France Association franaise de normalisation Germany Deutsches Institut fr Normung e.V. Greece Hellenic Organization for Standardization Iceland Technological Institute of Iceland Ireland National Standards Authority of Ireland Italy Ente Nazionale Italiano di Unificazion
5、e Luxembourg Inspection du Travail et des Mines Netherlands Nederlands Normalisatie-instituut Norway Norges Standardiseringsforbund Portugal Instituto Portugus da Qualidade Spain Asociacin Espaola de Normalizacin y Certificacin Sweden Standardiseringskommissionen i Sverige Switzerland Association su
6、isse de normalisation UnitedKingdom British Standards Institution Amendments issued since publication Amd. No. Date CommentsBSEN2851:1992 BSI 01-2000 i Contents Page Cooperating organizations Inside front cover National foreword ii Foreword 2 Text of EN2851 3 National annex NA (informative) Committe
7、es responsible Inside back coverBSEN2851:1992 ii BSI 01-2000 National foreword This BritishStandard has been prepared under the direction of the Aerospace Standards Policy Committee and is the English language version of EN2851:1992, Aerospace series Marking of parts and assemblies other than engine
8、s Indications on drawings, published by the European Committee for Standardization (CEN). EN2851 was produced as a result of international discussions in which theUnitedKingdom took an active part. A British Standard does not purport to include all the necessary provisions of a contract. Users of Br
9、itish Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, theEN title page, pages2 to6, an inside back cover
10、 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2851 March 1992 UDC 629.7-2:62-777:744.4 Descriptors: Aircraft
11、 industry, drawings, machine components, marking, specification English version Aerospace series Marking of parts and assemblies other than engines Indications on drawings Srie arospatiale Marquage des pices et ensembles autres que moteurs Indications sur dessins Luft- und Raumfahrt Kennzeichnung vo
12、n Bauteilen und Baugruppen ausgenommen Triebwerke Angaben in Zeichnungen This European Standard was approved by CEN on1992-03-20. CEN members are bound to comply with of the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national sta
13、ndard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other
14、language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ire
15、land, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland andUnitedKingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels CEN1992 Copyright reserved to CEN mem
16、bers Ref. No. EN2851:1992 EEN2851:1992 BSI 01-2000 2 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has successively received the a
17、pproval of the National Associations and the Official Services of the member countries of AECMA, prior to its presentation to CEN. According to the Common CEN/CENELEC Rules, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Gr
18、eece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. Contents Page Foreword 2 1 Scope and field of application 3 2 Purpose of marking 3 3 Indications on drawings 3 3.1 General 3 3.2 Marking symbol 3 3.3 Location of marking 3 3.4 Comp
19、osition of the marking 4 3.5 Marking process 5 4 Reference to this standard on drawings 6 Figure 1 3 Figure 2 3 Figure 3 3 Figure 4 4 Figure 5 4 Figure 6 5 Figure 7 5 Figure 8 5 Figure 9 6 Table 1 5 Table 2 6EN2851:1992 BSI 01-2000 3 1 Scope and field of application This standard defines the method
20、of indicating on drawings, with the exception of engine drawings, the instructions for the marking of parts and assemblies for aerospace applications. It is applicable whenever referenced. 2 Purpose of marking The marking shall allow the identification and traceability of parts and assemblies. 3 Ind
21、ications on drawings 3.1 General Drawings shall indicate the location and composition of the marking and the marking process(es). 3.2 Marking symbol A circle divided into4 quadrants as shown in Figure 1. This symbol shall be connected to the location of the marking by a line ending in an arrow or a
22、dot (see3.3.2). The size of the symbol shall be compatible with micro-filming requirements as well as those of computer aided design. 3.3 Location of marking 3.3.1 Choice It shall be such that the marking: does not impair the manufacturing tolerances or the required surface conditions, does not jeop
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