1、BRITISH STANDARD AEROSPACE SERIES BS EN 2591-613:2002 Elements of electrical and optical connection Test methods Part 613: Optical elements Impact test The European Standard EN 2591-613:2002 has the status of a British Standard ICS 49.060 BS EN 2591-613:2002 This British Standard, having been prepar
2、ed under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 12 July 2002 BSI 12 July 2002 ISBN 0 580 40044 1 National foreword This British Standard is the official English language version of EN
3、2591-613:2002. The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Subcommittee ACE/6/10, Aerospace Fibre optic systems and equipment, which has the responsibility to: A list of organizations represented on t
4、his 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 Standards Correspondence Inde
5、x”, 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 Standard does not of itself co
6、nfer 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 and promulgate them in t
7、he UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 5 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTA
8、NDARD NORMEEUROPENNE EUROPISCHENORM EN2591613 June2002 ICS49.060 Englishversion AerospaceseriesElementsofelectricalandopticalconnection TestmethodsPart613:OpticalelementsImpacttest SriearospatialeOrganesdeconnexionlectriqueet optiqueMthodesdessaisPartie613:Organesoptiques Rsistancelimpact LuftundRau
9、mfahrtElektrischeundoptische VerbindungselementePrfverfahrenTeil613:Optische ElementeFallprfung ThisEuropeanStandardwasapprovedbyCENon8February2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwi
10、thoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityof
11、aCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,Switzerla
12、ndandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN2591613:2002EEN2591613:2002(E) 2 Forew
13、ord Thisdocument(EN2591613:2002)hasbeenpreparedbytheEuropeanAssociationofAerospace Manufacturers(AECMA). AfterenquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoits
14、presentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyDecember2002,andconflictingnationalstandardsshallbe withdrawnatthelatestbyDecember2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardso
15、rganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdomEN2591613:2002(E) 3 1 Scope Thisstandardspec
16、ifiesamethodofdeterminingtheimpactresistanceonahardsurfaceofoptical connectionelements(includingpermanentconnections)andfibreopticcouplers. ItshallbeusedtogetherwithEN2591100. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormati
17、vereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferred
18、toapplies. EN2591100 AerospaceseriesElementsofelectricalandopticalconnectionTestmethods Part100:General 1) EN2591408 AerospaceseriesElementsofelectricalandopticalconnectionTestmethods Part408:Matingandunmatingforces 2 EN2591601 AerospaceseriesElementsofelectricalandopticalconnectionTestmethods Part6
19、01:OpticalelementsInsertionloss 2) EN25916101 AerospaceseriesElementsofelectricalandopticalconnectionTestmethods Part6101:OpticalelementsVisualexamination TR4257 AerospaceseriesElementsofelectricalandopticalconnectionRelationshipbetween thenumberingsystemsforpartsofEN2591 3) 3 Preparationofspecimens
20、 3.1 Specimensshallbefittedwithnormalaccessoriesandterminatedinaccordancewiththeproduct standard.Cavitieswithunterminatedcontactsshallhavefillerplugsfitted(whereapplicable). Ifnotatstandardtestconditions,thespecimensshallbesubjectedtostandardtestconditionsandstabilized attheseconditionsfor24hasdefin
21、edinEN2591100. 3.2 Unlessotherwisespecifiedinthetechnicalspecification,thefollowingdetailsshallbestated: mountingfixtureifotherthanstatedinfigure1; typeofcabletobeused; lengthofpipeandcable,ifotherthanstatedinfigure2; dropheight,ifotherthanstatedintable1; numberofindividualtests(drops)ifotherthansta
22、tedintable1; sequenceofindividualdroptests,ifotherthanstatedintable1; severitylevel,seetable1; impactsurface(length,width,thickness,material)ifotherthanstatedin4; anyotherdeviationsfromstandardtestmethod; maximumvalueofinsertionloss. 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandard
23、 2) SeeTR4257. 3) PublishedasAECMATechnicalReportatthedateofpublicationofthisstandardEN2591613:2002(E) 4 4 Apparatus SeeEN2591601plus: amountingfixtureofthetypeshowninfigure1shallbeusedunlessotherwisespecified.Thisfixture shallbemountedonanappropriate,stableverticalarrangementataheightof0,6mabovethe
24、plateon whichthespecimenshallbedropped. Unlessotherwisestated,theimpactsurfaceshallbeasteelplateatleast300mm 500mm 25mmthick. Figure1 5 Method 5.1 Initialmeasurements EN25916101 EN2591601 5.2 Procedure Thecableplusspecimenshallbesecurelyattachedtothepipeofthemountingfixtureinsuchawaythatthe specimen
25、canbeheldhorizontally,atthespecifiedheightandisnotundertension(seefigure2). Unlessotherwisespecified,thecable/specimenarrangementshallbeextendedtoitsfulllengthfromthe mountingfixtureandheldatthespecifiedheight.Thespecimenshallthenbedroppedontotheimpact surfacefollowingapendulummovementofthepipeandca
26、ble.Theradialorientationforanindividualtest (drop)isdeterminedinaseriesofeighttestsusingtheindexpositionofthemountingfixture.Eachindividual testshallbeperformedwithanotherindexpositionwhichissetbyturningclockwise.EN2591613:2002(E) 5 Figure2 Unlessotherwisespecified,thespecimenshallbedroppedrepeatedl
27、yfromthespecifiedheightinthe sequenceofseveritylevelsgivenintable1(lowestdropfirst). Table1 Numberofindividualtests (drops)byseveritylevel Dropheight m 0,006 light severe 1,80 2,40 8 0 8 16 Totalnumberof individualtests 82 4 NOTE Thefirsteightdropsclearthespecimenfor“light“use.Afurther16dropsfromthe
28、increased height,followingEN25916101,clearthesamespecimenfor“severe“use. Unlessotherwisespecifiedintheproductstandard,thespecimenshallbesubjectedtoEN25916101after eachcycleofeightdrops. 5.3 Finalmeasurementsandrequirements Unlessotherwisespecifiedintheproductstandard,thespecimenshallbesubjectedtothe
29、followingtests. EN25916101 EN2591601 EN2591408BS EN 2591-613:2002 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 standards in Europe and at the international level
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