BS EN 4057-303-2005 Cable ties for harnesses - Test methods - Part 303 Resistance to fluids《导线电缆扎匝 试验方法 第303部分 防液》.pdf

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 nullnullnullLicensed Copy: Wang Bin, na, Fri Jul 14 07:41:32 BST 2006, Uncontrolled Copy, (c) BSIBS EN 4057-303:2005This BritishStandardwas published under theauthority of

3、 theStandards Policy andStrategy Committeeon28April2006BSI 2006ISBN 0580 48098 4National forewordThis BritishStandardis theofficialEnglishlanguageversionofEN4057-303:2005.It partially supersedes BSG 246:1991.Themulti-partstandardBSEN4056 andBSEN4057, whenpublishedin theirentirety, willreplaceBSG 246

4、:1991.TheUKparticipationinits preparation was entrustedbyTechnicalCommitteeACE/6,Aerospaceavionicelectricalandfibreoptic technology, toSubcommitteeACE/6 /-/8,AerospaceInstallations Accessories, toolsandterminations, whichhas theresponsibility to:Alist oforganizations representedon this subcommitteec

5、anbeobtainedonrequest toits secretary.Cross-referencesTheBritishStandards whichimplement internationalorEuropeanpublications referred toin this document may befoundin the BSI Catalogueunder the sectionentitled“InternationalStandardsCorrespondenceIndex”,orby using the“Search”facility of theBSI Electr

6、onic Catalogue orofBritishStandards Online.Thispublicationdoes not purport toincludeall thenecessary provisionsofacontract.Users areresponsibleforits correct application.Compliance withaBritishStandarddoesnot ofitselfconferimmunity fromlegalobligations.aidenquirers to understand the text;present to

7、theresponsibleinternational/Europeancommitteeanyenquiries ontheinterpretation,orproposals forchange,andkeepUKinterests informed;monitorrelatedinternationalandEuropeandevelopmentsandpromulgate themin theUK.Summary of pagesThis document comprises afront cover,aninsidefront cover, theEN titlepage,pages

8、 2 to4 ,aninsidebackcoverandabackcover.TheBSIcopyright noticedisplayedin this document indicates when thedocument was last issued.Amendments issued sincepublicationAmd.No.Date CommentsLicensed Copy: Wang Bin, na, Fri Jul 14 07:41:32 BST 2006, Uncontrolled Copy, (c) BSIEUROPEANSTANDARDNORMEEUROPENNEE

9、UROPISCHENORMEN4057-303November 2005ICS49.060EnglishVersionAerospace series -Cable ties for harnesses -Test methods -Part 303:Resistance tofluidsSriearospatiale-Frettes decblagepour harnais -Mthodesdessais -Partie 303 :Tenueaux fluidesLuft- undRaumfahrt -Befestigungsbnder frLeitungsbndel-Prfverfahre

10、n-Teil303:BestndigkeitgegenFlssigkeitenThisEuropeanStandard wasapprovedbyCENon 28October 2005.CENmembers arebound tocomply with theCEN/CENELECInternalRegulations which stipulate theconditions for giving this EuropeanStandard the status ofanational standard without any alteration.Up-to-datelists andb

11、ibliographical references concerning suchnationalstandards may beobtainedonapplication to theCentralSecretariat or toany CENmember.ThisEuropeanStandardexists in threeofficial versions (English,French,German).A versioninany other languagemadeby translationunder theresponsibilityofaCENmemberintoitsown

12、languageandnotified totheCentralSecretariat has thesame status as theofficialversions.CENmembers are thenational standards bodies ofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Po

13、land,Portugal,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEAN COMMITTEE FORSTANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FRNORMUNGManagement Centre: ruedeStassart, 36 B-1050Brussels 2005CEN All rights ofexploitationinany formandby any means reservedworldwidefor

14、 CENnationalMembers.Ref.No.EN4057-303:2005:ELicensed Copy: Wang Bin, na, Fri Jul 14 07:41:32 BST 2006, Uncontrolled Copy, (c) BSI2 Contents Page1Scope.42 Normative references .43 Apparatus44Procedure45Requirements4EN 4057-303:2005Licensed Copy: Wang Bin, na, Fri Jul 14 07:41:32 BST 2006, Uncontrolle

15、d Copy, (c) BSI3 ForewordThis EuropeanStandard(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 theNat

16、ionalAssociations and the OfficialServicesof 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 sh

17、all be withdrawnat thelatest by May 2006.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, thenati

18、onal standards organizations of the followingcountries 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, Slo

19、vakia,Slovenia, Spain, Sweden,Switzerland and theUnited Kingdom.EN 4057-303:2005Licensed Copy: Wang Bin, na, Fri Jul 14 07:41:32 BST 2006, Uncontrolled Copy, (c) BSI41ScopeThis standard specifies theprocedure to determine the resistance to fluids for cable ties for harnesses foraerospaceapplications

20、.It shall be used together withEN4057-100.2 Normative referencesThefollowingreferenced documents are indispensable for the application of this document.For dated refer-ences, only the editioncited applies.For undated references, thelatest editionofthe referenced document(including anyamendments)appl

21、ies.EN 3475-411, Aerospace series Cables, electrical, aircraft useTest methods Part 411: Resistance tofluids EN 3909, Aerospace series Testfluids for electricalcomponents and sub-assembliesEN 4057-100, Aerospace series Cable ties for harnesses Test methods Part 100: GeneralEN 4057-401, Aerospace ser

22、ies Cable ties for harnessesTest methods Part 401: Loo p tensilestrength3 Apparatus Abath suitable for immersing the specimens in thefluid andatthe temperaturesspecified in EN 3475-411. Atensile testeras requiredfor testing theloop tensile strength,EN4057-401.4ProcedureTaking accountof safety inform

23、ation in EN3909,for eachof the fluids given in EN 3475-411carry out thefol-lowing steps:Mount the specimenona split mandrelas 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 th

24、eimmersion period submit the specimens still mountedon the originalmandrels tothelooptensile strength test specified inEN4057-401.Theminimumforce tofailure shall be recorded.NOTE1Some test fluids may themselves, or in combination with the specimen, be toxic.Due considerationmust begiven to this poss

25、ibilitybeforecommencing the test.NOTE2 Some test fluidsmay have acritical flash point temperature. Testing should always be undertaken in a suit-able vessel if the temperature is exceeded.5RequirementsTheminimum force to failure shallmeet the requirements as specifiedin theappropriateproduct standar

26、d.EN 4057-303:2005Licensed Copy: Wang Bin, na, Fri Jul 14 07:41:32 BST 2006, Uncontrolled Copy, (c) BSIblankLicensed Copy: Wang Bin, na, Fri Jul 14 07:41:32 BST 2006, Uncontrolled Copy, (c) BSIBS EN405 7-303:2005BSI389ChiswickHighRoadLondonW44ALBSI British Standards InstitutionBSIistheindependent na

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