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    BS EN 3745-503-2005 Aerospace series - Fibres and cables optical aircraft use - Test methods - Part 503 Scrape abrasion《航空航天系列 飞行器用光纤和光缆 试验方法 擦伤磨蚀》.pdf

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    BS EN 3745-503-2005 Aerospace series - Fibres and cables optical aircraft use - Test methods - Part 503 Scrape abrasion《航空航天系列 飞行器用光纤和光缆 试验方法 擦伤磨蚀》.pdf

    1、BRITISH STANDARD AEROSPACE SERIESBS EN3745-503:2005Fibres and cables, optical, aircraft use Test methods Part 503: Scrape abrasionThe European Standard EN 3745-503:2005 has the status of a British StandardICS 49.060g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g5

    2、4g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Licensed Copy: Wang Bin, na, Wed Aug 23 03:59:45 BST 2006, Uncontrolled Copy, (c) BSIBS EN 3745-503:2005This British Standard was published under the authority of the Standards Policy a

    3、nd Strategy Committee on 30 June 2006 BSI 2006ISBN 0 580 48640 0National forewordThis British Standard is the official English language version of EN 3745-503:2005. The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic techno

    4、logy, to Subcommittee ACE/6/-/10, Aerospace Fibre optic systems and 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 publica

    5、tions referred to in this document may be found in the BSI Catalogue 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 necess

    6、ary provisions of a contract. Users are responsible for its correct 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 interp

    7、retation, or proposals for change, and keep UK interests informed; 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 cove

    8、r.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsLicensed Copy: Wang Bin, na, Wed Aug 23 03:59:45 BST 2006, Uncontrolled Copy, (c) BSIEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3745-503No

    9、vember 2005ICS 49.060English VersionAerospace series - Fibres and cables, optical, aircraft use - Testmethods - Part 503: Scrape abrasionSrie arospatiale - Fibres et cbles optiques usagearonautique - Mthodes dessais - Partie 503 : Abrasionpar raclageLuft- und Raumfahrt - Faseroptische Leitungen frLu

    10、ftfahrzeuge - Prfverfahren - Teil 503:AbriebbestndigkeitThis European Standard was approved by CEN 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

    11、any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards 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

    12、 translationunder the responsibility of a CEN member into its own language and notified to the Central 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,

    13、 Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de

    14、 Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3745-503:2005: ELicensed Copy: Wang Bin, na, Wed Aug 23 03:59:45 BST 2006, Uncontrolled Copy, (c) BSI2 Contents Foreword 3 1 Scope .4 2 Normative refe

    15、rences .4 3 Preparation of specimens 4 4 Apparatus 4 5 Method .6 EN 3745-503:2005Licensed Copy: Wang Bin, na, Wed Aug 23 03:59:45 BST 2006, Uncontrolled Copy, (c) BSI3 Foreword This European Standard (EN 3745-503:2005) has been prepared by the European Association of Aerospace Manufacturers - Standa

    16、rdization (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 presentation to CEN. This European Standard s

    17、hall 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 some of the elements of this document

    18、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 implement this European Standard: Austr

    19、ia, 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 United Kingdom. EN 3745-503:2005Licensed Co

    20、py: Wang Bin, na, Wed Aug 23 03:59:45 BST 2006, Uncontrolled Copy, (c) BSI4 1 Scope This standard specifies a method for testing the resistance of an optical to scrape abrasion. 2 Normative references The following referenced documents are indispensable for the application of this document. For date

    21、d refer-ences, only the edition 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

    22、 cables, optical, aircraft use Test methods Part 100: General1)EN 3745-201, Aerospace series Fibres and cables, optical, aircraft use Test methods Part 201: Visual examination EN 3745-301, Aerospace series Fibres and cables, optical, aircraft use Test methods Part 301: Attenuation 3 Preparation of s

    23、pecimens 3.1 The specimens shall be prepared as specified in EN 3745-100. 3.2 The following details shall be specified if not already included in the product standard: load to be applied; length of the specimen: (0,75 0,05) m; maximum permissible variation of attenuation; number of cycles; intervals

    24、 for visual examination of specimen. 4 Apparatus The apparatus shall comprise: a Light Launch System (LLS) as defined in EN 2591-100; a Light Detector System (LDS) as defined in EN 2591-100; a climatic chamber; a test fixture capable of applying the scrape abrasion test. A typical arrangement is sho

    25、wn in Figure 1. The apparatus shall consist of a device designed to wear the surface of the jacket parallel to the cable axis, over a length equal to (10 1) mm at a frequency of (55 5) cycles/min. 1) In preparation at the date of publication of this standard. EN 3745-503:2005Licensed Copy: Wang Bin,

    26、 na, Wed Aug 23 03:59:45 BST 2006, Uncontrolled Copy, (c) BSI5 Dimensions in millimetres Key 1 Mechanism 2 Mass 3 Needle holder 4 Cable clamp 5 Cable on test 6 Travel (10 1) 7 Anvil (low thermal mass) 8 Counter mass Figure 1 EN 3745-503:2005Licensed Copy: Wang Bin, na, Wed Aug 23 03:59:45 BST 2006,

    27、Uncontrolled Copy, (c) BSI6 5 Method This test shall be performed at ambient temperature and at the maximum operating temperature of the cable. One cycle consists of a backward and forward movement of the needle. Scrape abrasion resistance shall be defined as the number of complete cycles before the

    28、 sheath is penetrated. The attenuation shall be monitored throughout the test in accordance with EN 3745-301, method C. 5.1 Procedure Connect the specimen ends to the LLS and LDS. Secure the specimen to the support by means of a cable clamp, apply a specified load to the needle holder. Zero the LDS

    29、to obtain the reference level. Perform the specified number of cycles. Repeat the test a further five times moving the cable 100 mm and rotating through 90 between each test al-ways in the same direction. 5.2 Final measurements and requirements Examine the test specimen for damage in accordance with

    30、 EN 3745-201: Visual examination. EN 3745-503:2005Licensed Copy: Wang Bin, na, Wed Aug 23 03:59:45 BST 2006, Uncontrolled Copy, (c) BSIblankLicensed Copy: Wang Bin, na, Wed Aug 23 03:59:45 BST 2006, Uncontrolled Copy, (c) BSIBS EN 3745-503:2005BSI389 Chiswick High RoadLondonW4 4ALBSI British Standar

    31、ds InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter.RevisionsBritish Standards are updated by amendment or revision. Users of British Standar

    32、ds should make sure that they 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 this British Standard would inform the Secretary of the technical c

    33、ommittee responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400.BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards.Buying standardsO

    34、rders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: ordersbsi-. Standards are also available from the BSI website at http:/www.bsi-.In response to orders for international standards,

    35、it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested.Information on standardsBSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Export

    36、ers Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: infobsi-.Subscribing members of BSI are kept up to date with standards developme

    37、nts and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 7001. Email: membershipbsi-.Information regarding online access to British Standards via British Standard

    38、s Online can be found at http:/www.bsi- information about BSI is available on the BSI website at http:/www.bsi-.CopyrightCopyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the

    39、 Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI.This does not preclude the free use, in the course of implementing

    40、 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 permission of BSI must be obtained.Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: copyrightbsi-.Licensed Copy: Wang Bin, na, Wed Aug 23 03:59:45 BST 2006, Uncontrolled Copy, (c) BSI


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