1、BRITISH STANDARD AEROSPACE SERIES BS EN 3475-503:2002 Cables, electrical, aircraft use Test methods Part 503: Scrape abrasion The European Standard EN 3475-503:2002 has the status of a British Standard ICS 49.060 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 3475-503:20
2、02 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 February 2002 BSI 11 February 2002 ISBN 0 580 38381 4 National foreword This British Stan
3、dard is the official English language version of EN 3475-503:2002. The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace, avionic electrical and fibre optic technology, to Subcommittee ACE/6/2, Aerospace Cables, which has the responsibility to: A list of organ
4、izations 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 entitled “International Stan
5、dards 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. Compliance with a British Stand
6、ard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments
7、 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 document was last issued. Amendments issued sinc
8、e publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3475503 January2002 ICS49.060 Englishversion AerospaceseriesCables,electrical,aircraftuseTest methodsPart503:Scrapeabrasion SriearospatialeCbleslectriquesusage aronautiqueMthodesdessaiPartie503:Abrasionpar raclage L
9、uftundRaumfahrtElektrischeLeitungenfrLuftfahrt, VerwendungPrfverfahrenTeil503:Abriebfestigkeit ThisEuropeanStandardwasapprovedbyCENon6August2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwitho
10、utanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCE
11、NmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,Switzerlanda
12、ndUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3475503:2002EEN3475503:2002(E) 2 Foreword
13、 Thisdocument(EN3475503:2002)hasbeenpreparedbytheEuropeanAssociationofAerospace Manufacturers(AECMA). AfterenquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspre
14、sentationtoCEN ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyJuly2002,andconflictingnationalstandardsshallbewithdrawnatthe latestbyJuly2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizations
15、ofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN3475503:2002(E) 3 1 Scope Thisstandardspecifiesametho
16、dofmeasuringtheresistancetoabrasionbyscraping. ItshallbeusedtogetherwithEN3475100. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Ford
17、atedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN3475100 AerospaceseriesCables,electrical,aircraftuseTestmethodsPart100:General 3
18、 Preparationofspecimens Specimens750mmlongshallbetakenfromfinishedcablesorinsulatedconductors. 4 Apparatus Theapparatus(seefigure1)shallconsistofadevicedesignedtowearthesurfaceoftheinsulationparallel tothecableaxis,overalengthequaltothetravel(10 1 )mmatafrequencyof(55 5 )cyclesperminute. 5 Method 5.
19、1 Thistestshallbeperformedatambienttemperatureandatthemaximumoperatingtemperature ofthecable. 5.2 Thistestdeviceshallbeprovidedwithacounterandanautomaticstop,controlledbyacurrent leakagedetectorbetweenthemoveablebladeandtheconductor. 5.3 Procedure Thecablespecimenisfirmlyfixedtothesupportbymeansofac
20、ableclamp. Theneedleholdershallbesubjectedtoaloadspecifiedintheproductstandard.Eachspecimenshall undergosixtestsandbemoved100mmbetweeneachtestandturnedatanangleof90,alwaysinthe samedirection. 5.4 Requirements Theinsulationorthejacketshallresistatleast100cycles(arithmeticmean),onecycleconsistingofa b
21、ackwardandforwardmovementoftheneedle. Scrapeabrasionresistanceshallbedefinedasthenumberofcompletecyclesrequiredfortheneedleto completelywearthroughtheinsulationorthejacketandtostoptheequipment.EN3475503:2002(E) 4 Key 1 Mechanism 2 Countermass 3 Electricalinsulation 4M a s s 5 Travel(10 1 )mm 6 Needl
22、eholder 7 Cableclamp 8 Cableontest 9 Anvil(lowthermalmass) Figure1GeneralarrangementblankBS EN 3475-503:2002 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standar
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