1、BRITISH STANDARD AEROSPACE SERIES BS EN 3475-403:2002 Cables, electrical, aircraft use Test methods Part 403: Delamination and blocking The European Standard EN 3475-403:2002 has the status of a British Standard ICS 49.060 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 3
2、475-403:2002 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 04 February 2002 BSI 04 February 2002 ISBN 0 580 38365 2 National foreword This Br
3、itish Standard is the official English language version of EN 3475-403:2002. 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 li
4、st 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 entitled “Interna
5、tional 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. Compliance with a Br
6、itish Standard 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 d
7、evelopments 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 and 3 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publicat
8、ion Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3475403 January2002 ICS49.060 Englishversion AerospaceseriesCables,electrical,aircraftuseTest methodsPart403:Delaminationandblocking SriearospatialeCbleslectriquesusage aronautiqueMthodesdessaiPartie403:Collageet dlamination
9、LuftundRaumfahrtElektrischeLeitungenfrLuftfahrt, VerwendungPrfverfahrenTeil403:Verblockenund Aufblttern ThisEuropeanStandardwasapprovedbyCENon6August2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstan
10、dardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibi
11、lityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,Swi
12、tzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3475403:2002EEN3475403:2002(E) 2
13、 Foreword Thisdocument(EN3475403:2002)hasbeenpreparedbytheEuropeanAssociationofAerospace Manufacturers(AECMA). AfterenquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,prio
14、rtoitspresentationtoCEN ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyJuly2002,andconflictingnationalstandardsshallbewithdrawnatthe latestbyJuly2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorga
15、nizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN3475403:2002(E) 3 1 Scope Thisstandardspecif
16、iesamethodofmeasuringthedelaminationandblockingofafinishedcable. ItshallbeusedtogetherwithEN3475100. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelis
17、ted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN3475100 AerospaceseriesCables,electrical,aircraftuseTestmethod
18、sPart100:General 3 Preparationofaspecimen Aspecimenofsufficientlengthshallbetakenfrominsulatedconductorsorscreenedandjacketedcables. 4 Apparatus Amandrelwhosediametershallbegiveninthetechnicalspecificationandanaturalconvectionovenshallbe necessaryforthistest. 5 Method 5.1 Procedure Aspecimenshallbew
19、oundroundamandrelwithtwolayerssuperimposed,eachconsistingofsixtoeight coilsofcable. Thecableshallbewoundsothatthecoilsareincontactwithoneanother.Theendoftheconductorshallbe attachedtothemandreltoavoidanyunwindingordetachmentofcoilsorlayers. Thewholeunitshallbeplacedinanaturaldraughtovenatthetemperat
20、ureshownintheproductstandardfor 6h. After6htheunitshallberemovedfromtheovenandcooledforatleast1hatambienttemperature. 5.2 Requirements Acheckshallthenbemadetoensurethatthecablecaneasilybeunwoundfromthemandrelandthecoils easilyseparatedfromoneanother. Anybondingoflayers,eitheralongtheinsulationorthej
21、acketorattheends,shallbeconsideredasadefect. Forscreenedcables,thecablecomponentsshallbeeasilyseparated. Anyflaringofanylayershallalsoconstituteafailure.BS EN 3475-403:2002 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for
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