1、BRITISH STANDARD AEROSPACE SERIES BS EN 2591-422:2002 Elements of electrical and optical connection Test methods Part 422: Locking wire hole strength The European Standard EN 2591-422:2002 has the status of a British Standard ICS 49.060 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRI
2、GHT LAWBS EN 2591-422:2002 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 8 July 2002 BSI 8 July 2002 ISBN 0 580 39948 6 National foreword Thi
3、s British Standard is the official English language version of EN 2591-422:2002. The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Subcommittee ACE/6/3, Aerospace Connectors, which has the responsibility to
4、 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 entitled “I
5、nternational 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 wit
6、h a British 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 Euro
7、pean 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 document was last issued. Amend
8、ments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN2591422 June2002 ICS49.060 Englishversion AerospaceseriesElementsofelectricalandopticalconnection TestmethodsPart422:Lockingwireholestrength SriearospatialeOrganesdeconnexionlectriqueet optiqueMthod
9、esdessaisPartie422:Rsistancedes trouspourfildefreinage LuftundRaumfahrtElektrischeundoptische VerbindungselementePrfverfahrenTeil422: WiderstandderSicherungsdrahtLcher ThisEuropeanStandardwasapprovedbyCENon8February2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulateth
10、econditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,Germa
11、n).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,I
12、taly,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwi
13、deforCENnationalMembers. Ref.No.EN2591422:2002EEN2591422:2002(E) 2 Foreword Thisdocument(EN2591422:2002)hasbeenpreparedbytheEuropeanAssociationofAerospace Manufacturers(AECMA). AfterenquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalA
14、ssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyDecember2002,andconflictingnationalstandardsshallbe withdrawnatthelatestbyDecember
15、2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway, Portugal,Spain,Sweden,Sw
16、itzerlandandtheUnitedKingdomEN2591422:2002(E) 3 1 Scope Thisstandardspecifiesamethodofverifyingthatthelockingwireholesinanelementofconnectionareof sufficientstrengthtomeetnormalusage. ItshallbeusedtogetherwithEN2591100. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferencep
17、rovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferen
18、cesthe latesteditionofthepublicationreferredtoapplies. EN2591100 AerospaceseriesElementsofelectricalandopticalconnectionTestmethods Part100:General 1) 3 Preparationofspecimens 3.1 Thespecimenshallbecoupledtoaconnectororsimulationthereof,whichinturnshallbe mountedonarigidmountingplate. Lockingwireass
19、pecifiedin5,orinthetechnicalspecification,shallbethreadedthroughalockingwirehole andsecuredtopermittheapplicationofanaxialload.Whenthereareseveralholestheonewhichshowsthe mostunfavourablemechanicalstrengthconditionsshallbetested. 3.2 Unlessspecifiedinthetechnicalspecificationthefollowingdetailsshall
20、bestated: materialandgaugeofthelockingwire,ifotherthanasspecifiedin5.1; axialloadifotherthanasspecifiedin5.1. 4 Apparatus Asuitablemeansofmeasuringanappliedaxialload. 5 Method 5.1 Anaxialloadof(133 0,5)Nshallbeappliedperpendiculartotheaxisoftheholeusinga stainlesssteelwire0,5mmdiameter(seefigure1).I
21、tshallbeincreasedsteadilyuntilthespecifiedvalueis reached;itsrateofapplicationshallnotexceed45N/s.Itshallbemaintainedfor5min. 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandardEN2591422:2002(E) 4 Figure1 5.2 Requirement Thelockingwireholeshallremainintact.Thespecimenshallnotbedamaged
22、bythetestwirei.e.notearing openofthematerialfromtheboreoftheholetotheoutersurfaceofthecomponent. Smalldeformationsoftheknifeedgearepermissible.BS EN 2591-422:2002 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing
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