1、BRITISH STANDARD AEROSPACE SERIES BS EN 3745-201:2002 Fibres and cables, optical, aircraft use Test methods Part 201: Visual examination The European Standard EN 3745-201:2002 has the status of a British Standard ICS 49.060 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN
2、3745-201:2002 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 25 June 2002 BSI 25 June 2002 ISBN 0 580 39907 9 National foreword This British S
3、tandard is the official English language version of EN 3745-201:2002. 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 resp
4、onsibility to: 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 sectio
5、n entitled “International 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. C
6、ompliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor rel
7、ated international and European 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 docu
8、ment was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3745201 June2002 ICS49.060 Englishversion AerospaceseriesFibresandcables,optical,aircraftuseTest methodsPart201:Visualexamination SriearospatialeFibresetcblesoptiquesusage
9、 aronautiqueMthodesdessaisPartie201:Examen visuel LuftundRaumfahrtFaseroptischeLeitungenfr LuftfahrzeugePrfverfahrenTeil201:Sichtprfung ThisEuropeanStandardwasapprovedbyCENon1March2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an S
10、tandardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadeby
11、tra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,N
12、orway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3
13、745201:2002EEN3745201:2002(E) 2 Foreword Thisdocument(EN3745201:2002)hasbeenpreparedbytheEuropeanAssociationofAerospace Manufacturers(AECMA). AfterenquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesof
14、themembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyDecember2002,andconflictingnationalstandardsshallbe withdrawnatthelatestbyDecember2002. AccordingtotheCEN/CENELECInte
15、rnalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN3745
16、201:2002(E) 3 1 Scope Thisstandardspecifiesamethodforthevisualinspectionofopticalfibresandopticalcables. ItshallbeusedtogetherwithEN3745100. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriat
17、eplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN 3745100 Aerospaceseri
18、esFibresandcables,optical,aircraftuseTestmethods Part100:General 1) 3 Characteristicstobeexamined 3.1 General Thetypeandlengthofcable/fibrefromwhichthespecimenistakenshallbeasspecifiedintheproduct specification. 3.2 Opticalfibre 3.2.1 Thefibreshallhavethecorrectidentificationcolourcoatingifspecified
19、intheproductstandard. 3.2.2 Thecoatingshallbecontinuousandfreeofvisibledefectssuchaslumps,abrasions,cracks, splits,orblisters. 3.3 Opticalcable 3.3.1 Thecableshallhavethecorrectidentificationcolourifspecifiedintheproductstandard. 3.3.2 Thecableshallbemarkedinaccordancewiththeproductstandard. 3.3.3 T
20、hecableshallbefreefromdiscolorationduetooverheatingorforeignmaterialssuchasdust, grease,oroil. 3.3.4 Thecablejacket(sheath)and/orcoatingshallnotbescorched. 3.3.5 Thecablejacketand/orcoatingsshallbefreefromdelaminationsandvoids. 3.3.6 Thecableshallbefreefromdeformitiesinthejacketthatincrease,ordecrea
21、se,thecable diameterinexcessofthespecifiedmaximumorminimumoutsidediameter. 3.3.7 Thecableshallbefreefrommetallicorgrittyparticlesinthejacketand/orcoating. 3.3.8 Thecableshallshownocrackingorcrazing. 1) InpreparationatthedateofpublicationofthisstandardEN3745201:2002(E) 4 4 Apparatus Alampwhichcanprov
22、ideanilluminationof500lxto700lxonaflatworkbenchshallbeused. A10Xmagnifyinglensormicroscopeshallbeused. 5 Method Unlessotherwisestatedintheproductstandard,visualexaminationshallbemadebythefollowingmethods: bya10Xmagnifyinglensfortheinspectionofopticalfibres; byanakedeyeofnormalvision,ornormallycorrec
23、ted,fortheinspectionofopticalcables. Thetestspecimenshallbeplacedflatontheworkbench.Thetestspecimenshallbevisuallyexaminedata distanceofnotmorethan0,3m,ifnotusingamagnifyingdevice.BS EN 3745-201:2002 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent na
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