1、BRITISH STANDARD AEROSPACE SERIES BS EN4057-303:2005Cable ties forharnesses TestmethodsPart 303: ResistancetofluidsTheEuropeanStandardEN4057-303:2005has the status ofaBritishStandardICS49.060nullnull nullnullnullnullnullnullnull nullnullnullnullnullnullnull nullnullnull nullnullnullnullnullnullnulln
2、ullnullnull nullnullnullnullnullnull nullnull nullnullnullnullnullnullnullnullnull nullnull nullnullnullnullnullnullnullnullnull nullnullnullBS EN 4057-303:2005This BritishStandardwas published under theauthority of theStandards Policy andStrategy Committeeon28April2006BSI 2006ISBN 0580 48098 4Natio
3、nal forewordThis BritishStandardis theofficialEnglishlanguageversionofEN4057-303:2005.It partially supersedes BSG 246:1991.Themulti-partstandardBSEN4056 andBSEN4057, whenpublishedin theirentirety, willreplaceBSG 246:1991.TheUKparticipationinits preparation was entrustedbyTechnicalCommitteeACE/6,Aero
4、spaceavionicelectricalandfibreoptic technology, toSubcommitteeACE/6 /-/8,AerospaceInstallations Accessories, toolsandterminations, whichhas theresponsibility to:Alist oforganizations representedon this subcommitteecanbeobtainedonrequest toits secretary.Cross-referencesTheBritishStandards whichimplem
5、ent internationalorEuropeanpublications referred toin this document may befoundin the BSI Catalogueunder the sectionentitled“InternationalStandardsCorrespondenceIndex”,orby using the“Search”facility of theBSI Electronic Catalogue orofBritishStandards Online.Thispublicationdoes not purport toincludea
6、ll thenecessary provisionsofacontract.Users areresponsibleforits correct application.Compliance withaBritishStandarddoesnot ofitselfconferimmunity fromlegalobligations.aidenquirers to understand the text;present to theresponsibleinternational/Europeancommitteeanyenquiries ontheinterpretation,orpropo
7、sals forchange,andkeepUKinterests informed;monitorrelatedinternationalandEuropeandevelopmentsandpromulgate themin theUK.Summary of pagesThis document comprises afront cover,aninsidefront cover, theEN titlepage,pages 2 to4 ,aninsidebackcoverandabackcover.TheBSIcopyright noticedisplayedin this documen
8、t indicates when thedocument was last issued.Amendments issued sincepublicationAmd.No.Date CommentsEUROPEANSTANDARDNORMEEUROPENNEEUROPISCHENORMEN4057-303November 2005ICS49.060EnglishVersionAerospace series -Cable ties for harnesses -Test methods -Part 303:Resistance tofluidsSriearospatiale-Frettes d
9、ecblagepour harnais -Mthodesdessais -Partie 303 :Tenueaux fluidesLuft- undRaumfahrt -Befestigungsbnder frLeitungsbndel-Prfverfahren-Teil303:BestndigkeitgegenFlssigkeitenThisEuropeanStandard wasapprovedbyCENon 28October 2005.CENmembers arebound tocomply with theCEN/CENELECInternalRegulations which st
10、ipulate theconditions for giving this EuropeanStandard the status ofanational standard without any alteration.Up-to-datelists andbibliographical references concerning suchnationalstandards may beobtainedonapplication to theCentralSecretariat or toany CENmember.ThisEuropeanStandardexists in threeoffi
11、cial versions (English,French,German).A versioninany other languagemadeby translationunder theresponsibilityofaCENmemberintoitsownlanguageandnotified totheCentralSecretariat has thesame status as theofficialversions.CENmembers are thenational standards bodies ofAustria,Belgium,Cyprus,CzechRepublic,D
12、enmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEAN COMMITTEE FORSTANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FRNORMUNGM
13、anagement Centre: ruedeStassart, 36 B-1050Brussels 2005CEN All rights ofexploitationinany formandby any means reservedworldwidefor CENnationalMembers.Ref.No.EN4057-303:2005:E2 Contents Page1Scope.42 Normative references .43 Apparatus44Procedure45Requirements4EN 4057-303:20053 ForewordThis EuropeanSt
14、andard(EN 4057-303:2005) has been prepared by the European Association of AerospaceManufacturers-Standardization(AECMA-STAN).After enquiries andvotes carriedout in accordancewith the rules of this Association, this Standard has re-ceived the approval of theNationalAssociations and the OfficialServic
15、esof themember countries ofAECMA,prior to itspresentation to CEN.This European Standard shall be given the status of anational standard, either by publication of an identicaltext or by endorsement, at the latest by May 2006,andconflicting national standards shall be withdrawnat thelatest by May 2006
16、.Attention is drawn to thepossibility that some of theelementsof this document may be the subject ofpatentrights.CENand/orCENELEC shall not beheld responsiblefor identifyingany or all suchpatent rights.According to the CEN/CENELEC Internal Regulations, thenational standards organizations of the foll
17、owingcountries are bound to implement this EuropeanStandard: Austria,Belgium, Cyprus,Czech Republic,Den-mark,Estonia,Finland, France,Germany,Greece,Hungary, Iceland, Ireland,Italy, Latvia, Lithuania, Luxem-bourg, Malta,Netherlands,Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden,Switzerlan
18、d and theUnited Kingdom.EN 4057-303:200541ScopeThis standard specifies theprocedure to determine the resistance to fluids for cable ties for harnesses foraerospaceapplications.It shall be used together withEN4057-100.2 Normative referencesThefollowingreferenced documents are indispensable for the ap
19、plication of this document.For dated refer-ences, only the editioncited applies.For undated references, thelatest editionofthe referenced document(including anyamendments)applies.EN 3475-411, Aerospace series Cables, electrical, aircraft useTest methods Part 411: Resistance tofluids EN 3909, Aerospa
20、ce series Testfluids for electricalcomponents and sub-assembliesEN 4057-100, Aerospace series Cable ties for harnesses Test methods Part 100: GeneralEN 4057-401, Aerospace series Cable ties for harnessesTest methods Part 401: Loo p tensilestrength3 Apparatus Abath suitable for immersing the specimen
21、s in thefluid andatthe temperaturesspecified in EN 3475-411. Atensile testeras requiredfor testing theloop tensile strength,EN4057-401.4ProcedureTaking accountof safety information in EN3909,for eachof the fluids given in EN 3475-411carry out thefol-lowing steps:Mount the specimenona split mandrelas
22、 described in EN 4057-401.Completelyimmerse specimens in thefluid for aperiod of 4h 10 min at theimmersion temperatures showninEN 3475-411.(60 300+ )min after completion of theimmersion period submit the specimens still mountedon the originalmandrels tothelooptensile strength test specified inEN4057
23、-401.Theminimumforce tofailure shall be recorded.NOTE1Some test fluids may themselves, or in combination with the specimen, be toxic.Due considerationmust begiven to this possibilitybeforecommencing the test.NOTE2 Some test fluidsmay have acritical flash point temperature. Testing should always be u
24、ndertaken in a suit-able vessel if the temperature is exceeded.5RequirementsTheminimum force to failure shallmeet the requirements as specifiedin theappropriateproduct standard.EN 4057-303:2005blankBS EN405 7-303:2005BSI389ChiswickHighRoadLondonW44ALBSI British Standards InstitutionBSIistheindepende
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