1、BRITISH STANDARD AEROSPACE SERIESBS EN3745-703:2005Fibres and cables, optical, aircraft use Test methods Part 703: Durability of manufacturers markingThe European Standard EN 3745-703:2005 has the status of a British StandardICS 49.060g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3
2、g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 3745-703:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2006 BSI 2006ISBN 0 580 48646 XN
3、ational forewordThis British Standard is the official English language version of EN 3745-703:2005. The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Subcommittee ACE/6/-/10, Aerospace Fibre optic systems a
4、nd equipment, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalo
5、gue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its corre
6、ct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed
7、; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 6, an inside back cover and a back cover.The BSI copyright notice displayed in this document indicates w
8、hen the document was last issued.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3745-703November 2005ICS 49.060English VersionAerospace series - Fibres and cables, optical, aircraft use - Testmethods - Part 703: Durability of manufacturers
9、markingSrie arospatiale - Fibres et cbles optiques usagearonautique - Mthodes dessais - Partie 703 : Tenue dumarquage fabricantLuft- und Raumfahrt - Faseroptische Leitungen frLuftfahrzeuge - Prfverfahren - Teil 703: Bestndigkeit derMarkierungen des HerstellersThis European Standard was approved by C
10、EN on 19 September 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandard
11、s 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 language made by translationunder the responsibility of a CEN member into its own language and notified to the C
12、entral Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Po
13、land, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means r
14、eservedworldwide for CEN national Members.Ref. No. EN 3745-703:2005: E2 Contents Page Foreword 3 1 Scope .4 2 Normative references .4 3 Preparation of specimens 4 4 Apparatus 4 5 Method .6 EN 3745-703:20053 Foreword This European Standard (EN 3745-703:2005) has been prepared by the European Associat
15、ion of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has re-ceived the approval of the National Associations and the Official Services of the member countries of AECMA, prior to its presen
16、tation 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 May 2006, and conflicting national standards shall be withdrawn at the latest by May 2006. Attention is drawn to the possibility that
17、 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 Regulations, the national standards organizations of the following countries are bound to
18、implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Den-mark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxem-bourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the Unit
19、ed Kingdom. EN 3745-703:20054 1 Scope This standard specifies a method for testing the permanence of the manufacturers marking on finished cables. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated refer-ences, only the edition
20、 cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2591-100, Aerospace series Elements of electrical and optical connection Test methods Part 100: General EN 3745-100, Aerospace series Fibres and cables, optical, aircraft use
21、Test methods Part 100: General1)EN 3745-201, Aerospace series Fibres and cables, optical, aircraft use Test methods Part 201: Visual examination 3 Preparation of specimens 3.1 The specimen shall be prepared as specified in EN 3745-100. 3.2 The following details shall be specified if not already incl
22、uded in the product standard: type of specimen; number of specimens; length if not 0,75 m; mass value. 4 Apparatus The apparatus (see Figure 1) shall consist of a device designed to wear the surface of the identification mark upon the jacket, over a length equal to the travel (10 1) mm at a frequenc
23、y of (55 5) cycles/min. 1) In preparation at the date of publication of this standard. EN 3745-703:20055 Dimensions in millimetres Key 1 Counter mass 5 Cable clamp 2 Mechanism 6 Cable on test 3 Mass 7 Travel (10 1) 4 Needle holder 8 Anvil (low thermal mass) Figure 1 EN 3745-703:20056 5 Method 5.1 Pr
24、ocedure Secure the specimen on the abrasion test device with the marking on the upper surface. Apply the specified load to the needle holder. Perform the 125 abrasion cycles. 5.2 Final measurements and requirements Examine marking in accordance with EN 3745-201: Visual examination. A continuous line
25、 shall not be scored through the printing which shall remain legible. EN 3745-703:2005blankBS EN 3745-703:2005BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards i
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