1、BRITISH STANDARD AEROSPACE SERIES BS EN 3745-511:2002 Fibres and cables, optical, aircraft use Test methods Part 511: Cable to cable abrasion The European Standard EN 3745-511:2002 has the status of a British Standard ICS 49.060 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWB
2、S EN 3745-511:2002 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 11 July 2002 BSI 11 July 2002 ISBN 0 580 40058 1 National foreword This Brit
3、ish Standard is the official English language version of EN 3745-511:2002. 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 and equipment, which has the
4、 responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the s
5、ection entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct applicati
6、on. 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 the UK interests informed; monito
7、r related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 4, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the
8、 document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3745511 June2002 ICS49.060 Englishversion AerospaceseriesFibresandcables,optical,aircraftuseTest methodsPart511:Cabletocableabrasion SriearospatialeFibresetcblesoptiq
9、uesusage aronautiqueMthodesdessaisPartie511:Abrasion cblecble LuftundRaumfahrtFaseroptischeLeitungenfr LuftfahrzeugePrfverfahrenTeil511:KabelzuKabel Abriebbestndigkeit ThisEuropeanStandardwasapprovedbyCENon1March2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheco
10、nditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).
11、Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Ital
12、y,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwidef
13、orCENnationalMembers. Ref.No.EN3745511:2002EEN3745511:2002(E) 2 Foreword Thisdocument(EN3745511:2002)hasbeenpreparedbytheEuropeanAssociationofAerospace Manufacturers(AECMA). AfterenquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAsso
14、ciationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyDecember2002,andconflictingnationalstandardsshallbe withdrawnatthelatestbyDecember200
15、2. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway, Portugal,Spain,Sweden,Switz
16、erlandandtheUnitedKingdomEN3745511:2002(E) 3 1 Scope Thisstandardspecifiesamethodofmeasuringtheresistanceofanopticalcabletoabrasionbetweencables. 2 Normativesreferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappr
17、opriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN 3745100 Aerospa
18、ceseriesFibresandcables,optical,aircraftuseTestmethods Part100:General 1) EN 3745201 AerospaceseriesFibresandcables,optical,aircraftuseTestmethods Part201:Visualexamination 3 Preparationofspecimens 3.1 Thespecimensshallbepreparedaccordingtotheproductstandard. Ifnotyetatstandardtestconditions,thespec
19、imensshallbesubjectedtostandardtestconditionsand stabilizedattheseconditionsfor24hasdefinedinEN3745100. 3.2 Unlessspecifiedinthetechnicalspecification,thefollowingdetailsshallbestated: numberofspecimens; typeandlengthofopticalcabletobetested(cableB); typeandlengthofothercable(cableA:electricaloropti
20、cal); loadMtobeused; duration; intervalsbetweenvisualexaminationofthecable. 4 Apparatus Theapparatusshallcomprise: aspecifiedcable(cableA)attachedtoamovingjigwhichoscillateswithafrequencyof10Hzand amplitudeof(6,35 0,25 )mmpeaktopeak; theopticalcableundertest(cableB)whichissecuredtoafixedbracketandtu
21、rnsoncearound cableA; aload(M)appliedtocableBwhichprovidesthetensioninthecable.Thelength( L)hastobeadjusted inordertoavoidresonancesincableBduringthetest. 1) InpreparationatthedateofpublicationofthisstandardEN3745511:2002(E) 4 Atypicalarrangementisshowninfigure1.Thecablefrictionpointshallbeapproxima
22、telyinthemiddleofthe cableA( 10%)andtheangle( a )shallbebetween20and22.Thepulleydiametershallbegreaterthan 14timesthecablediameter. Figure1 5 Method 5.1 Procedure AttachtheopticalcableBtothebracketandaroundthecableA. Applytheload(M)totheopticalcableB. Beginthefrictionbetweencables. Makeavisualexamin
23、ationofthecableBatthespecifiedtimeintervals. 5.2 Finalmeasurementsandrequirements ExaminecableBfordamageinaccordancewithEN3745201Visualexamination.BS EN 3745-511:2002 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for prepa
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