1、BRITISH STANDARD AEROSPACE SERIES BS EN 3745-507:2002 Fibres and cables, optical, aircraft use Test methods Part 507: Cut-through The European Standard EN 3745-507:2002 has the status of a British Standard ICS 49.060 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 3745-50
2、7:2002 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 25 June 2002 BSI 25 June 2002 ISBN 0 580 39900 1 National foreword This British Standard
3、 is the official English language version of EN 3745-507:2002. 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 responsibil
4、ity 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 section entit
5、led “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 application. Complian
6、ce 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; monitor related in
7、ternational 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 5, and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendm
8、ents issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3745507 June2002 ICS49.060 Englishversion AerospaceseriesFibresandcables,optical,aircraftuseTest methodsPart507:Cutthrough SriearospatialeFibresetcblesoptiquesusage aronautiqueMthodesdessaisPartie507
9、:Rsistance lacoupure LuftundRaumfahrtFaseroptischeLeitungenfr LuftfahrzeugePrfverfahrenTeil507:Kerbfestigkeit ThisEuropeanStandardwasapprovedbyCENon1March2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationa
10、lstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertherespo
11、nsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Swede
12、n,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3745507:2002EEN3745507:2002
13、(E) 2 Foreword Thisdocument(EN3745507:2002)hasbeenpreparedbytheEuropeanAssociationofAerospace Manufacturers(AECMA). AfterenquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA
14、,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyDecember2002,andconflictingnationalstandardsshallbe withdrawnatthelatestbyDecember2002. AccordingtotheCEN/CENELECInternalRegulations,thenationa
15、lstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN3745507:2002(E) 3 1 Scope This
16、standardspecifiesamethodoftestingtheresistanceofanopticalcabletothepenetrationofacutting surface,foraerospaceapplications. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextan
17、dthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN2591100 AerospaceseriesElementsofelectri
18、calandopticalconnectionTestmethods Part100:General 1) EN 3745100 AerospaceseriesFibresandcables,optical,aircraftuseTestmethods Part100:General 2) EN 3745201 AerospaceseriesFibresandcables,optical,aircraftuseTestmethods Part201:Visualexamination EN 3745301 AerospaceseriesFibresandcables,optical,aircr
19、aftuseTestmethods Part301:Attenuation 3 Preparationofspecimens 3.1 Thespecimensshallbepreparedaccordingtotheproductstandard. Ifnotyetatstandardtestconditions,thespecimensshallbesubjectedtostandardtestconditionsand stabilizedattheseconditionsfor24hasdefinedinEN3745100. 3.2 Unlessspecifiedinthetechnic
20、alspecification,thefollowingdetailsshallbestated: typeandlengthofcable(2 0,05 )m; load F:20N; rateofloadapplication F:(50 10 )N/min; durationofloadapplication F:1min. 3.3 Temperatureshallbespecifiedintheproductstandard. 4 Apparatus Theapparatusshallcomprise: aLightLaunchSystem(LLS)asdefinedinEN25911
21、00; aLightDetectionSystem(LDS)asdefinedinEN2591100; aneedleanditssupport(seefigures1and2); aclimaticchamber; testequipment,onwhichtheneedlesupportisfixed. Theloadshallbeappliedbythemovableneedlesupportleaningonafixedplate. 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandard 2) Inprepa
22、rationatthedateofpublicationofthisstandardEN3745507:2002(E) 4 Figure1 Figure2EN3745507:2002(E) 5 5 Methods 5.1 Initialmeasurements Visualexaminationofthejacket 5.2 Testsequence Installthespecimenonthetestequipment. ConnectthespecimentoLLSandLDS. ZerotheattenuationApplytheloadwiththespecifiedspeedand
23、duration. Attenuation(EN3745301,methodC)shallbemonitoredcontinuouslyduringthetest. 5.3 Finalrequirementsandmeasurements EN3745201EvaluationofthebreakageornonbreakageofthespecimenBS EN 3745-507:2002 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent nati
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