BS EN 3475-509-2002 Aerospace series - Cables electrical aircraft use - Test methods - Solderability《航空航天系列 飞行器用电缆 试验方法 可焊接性》.pdf

1、BRITISH STANDARD AEROSPACE SERIES BS EN 3475-509:2002 Cables, electrical, aircraft use Test methods Part 509: Solderability The European Standard EN 3475-509:2002 has the status of a British Standard ICS 49.060 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 3475-509:2002

2、 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 11 July 2002 BSI 11 July 2002 ISBN 0 580 40052 2 National foreword This British Standard is th

3、e official English language version of EN 3475-509:2002. The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Subcommittee ACE/6/2, Aerospace cables, which has the responsibility to: A list of organizations re

4、presented 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 “International Standards Corre

5、spondence 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 with a British Standard does no

6、t 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 related international and European developme

7、nts 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 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.

8、 No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3475509 June2002 ICS49.060 Englishversion AerospaceseriesCables,electrical,aircraftuseTest methodsPart509:Solderability SriearospatialeCbleslectriquesusage aronautiqueMthodesdessaisPartie509:Soudabilit LuftundRaumfahrtElektrischenLei

9、tungenfrLuftfahrt VerwendungPrfverfahrenTeil509:Ltbarkeit ThisEuropeanStandardwasapprovedbyCENon20January2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbib

10、liographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifie

11、dtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEF

12、ORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3475509:2002EEN3475509:2002(E) 2 Foreword Thisdocument(EN3475509:2002)hasbee

13、npreparedbytheEuropeanAssociationofAerospace Manufacturers(AECMA). AfterenquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandar

14、dshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyDecember2002,andconflictingnationalstandardsshallbe withdrawnatthelatestbyDecember2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesar

15、eboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdomEN3475509:2002(E) 3 1 Scope Thisstandardspecifiesamethodofassessingthesolderabilit

16、yofconductorsandscreensorstrandstaken fromthem. ItshallbeusedtogetherwithEN3475100. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.For

17、datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN2083 AerospaceseriesCopperorcopperalloyconductorsinelectricalcablesProduct stan

18、dard EN3475100 AerospaceseriesCables,electrical,aircraftuseTestmethodsPart100:General 3 Principleofthetest Apreparedspecimenisverticallysuspendedfromasensitivebalanceinsuchamannerthatitisimmersedto asetdepthinabathofmoltensolderatacontrolledtemperature.Theresultingverticalforcesofbuoyancy andsurface

19、tensionactinguponthespecimenaredetectedbyatransducerandconvertedintoasignalthat iscontinuouslyrecordedasafunctionoftimeonahighspeedchartrecorder. Thetestisnotapplicabletosize020(gauge14)andlarger. 4 Preparationofspecimens Preparethespecimensasfollows. 4.1 Cableconductors Removeatleast150mmfromtheend

20、ofthecableanddiscard.Cutfivespecimensofapproximately30mm lengthfromtheremainingcable.Stripthespecimensofinsulationtoexposealengthof14,5mmto15mmof conductor,takingcaretoensurethatnopartofthesurfaceortheexposedconductorbecomes contaminated,especiallybycontactwiththefingers.Minimizeandcorrectanydisturb

21、anceofthestrands. 4.2 Screens Takefivespecimenstrandsfromthecompletedcable.Ensurethatnopartsofthestrandbecomes contaminated,especiallybycontactwiththefingers.EN3475509:2002(E) 4 5 Apparatus Theapparatuscomprisingabalance,transducer,chartrecorderandsolderbathshallcomplywiththe followingcharacteristic

22、s: theresponsetimeofthechartrecordershallbesuchthatitsreturntocentrezeroonremovalofa maximumloadshallbeaccomplishedwithin0,3swithanovershootcorrespondingtonotmorethan1% ofthemaximumload; therecordingsystemshallhaveanumberofsensitivitysettings,themostsensitivecorrespondingat leasttoamaximumdeflection

23、fromcentrebeingproducedwhena200mgmassissuspendedfromthe specimenholder; thechartspeedshallnotbelessthan10mm/s; electricalandmechanicalnoiserecordedinthetraceshallnotexceedtheequivalentof4,10 - 5 Npeak topeak; thedeflectionofthewritingdeviceshallbedirectlyproportionaltotheforcebeingmeasuredoverthe fu

24、llscaletoanaccuracyofbetterthan95%; thestiffnessofthespringsystemofthebalanceshallbesuchthataloadof10 - 2 Ncausesavertical displacementofthespecimensuspensionnotexceeding0,1mm; thedimensionsofthesolderbathshallbesuchthatnoportionofthespecimenislessthan15mm fromthewallandthedepthofthebathshallbenotle

25、ssthan15mm; theimmersiondepthofthelowestpointonthespecimenshallbeadjustabletoanyspecifiedposition between2mmand5mmwithamaximumerrorof 0,2mm; thespeedofimmersionandwithdrawalshallbe(20 5 )mm/s; thedwelltimeatthemaximumimmersiondepthshallbeadjustable. 6 Method Mountthespecimeninasuitableholder.Immerse

26、thewholeofthesurfaceofthespecimentobetestedina fluxatroomtemperatureasspecifiedbelowfortheappropriateconductortype.Immediatelydrainoffexcess fluxbystandingthespecimenverticallyoncleanfilterpaperfor1sto5s.Fillthesolderbathwiththealloy specifiedbelowfortheconductortypeundertestandraiseittothetemperatu

27、reshown. ForEN2083conductortypesB(tinplated)andC(silverplated)useSn63solder(63%tin,37%lead)at (235 3 )Cwithnonactivatedpurecollophonyresinflux. ForconductortypeD(nickelplated)useSn96solder(96,5%tin,3,5silver)at(271 5 )Cwithcollophony resinfluxactivatedto0,5%chloridelevel. Suspendthespecimenverticall

28、ywithitscutend(20 5)mmabovethesurfaceofthemoltensolderfor (30 15 )stoallowmostofthefluxsolventtoevaporate.Duringthisdryingperiod,scrapethesurfaceofthe moltensolderwithabladeofsuitablematerialtoremoveoxidesandadjustthesuspensionandchart recordertracetothedesiredzeroposition. Immersethespecimeninthemo

29、ltensolderataspeedof(20 5 )mm/stoadepthof(4 1 )mmandholdin thispositionfornotlessthan10sandthenwithdraw.Obtainatraceofforceversustimefromthestartofthe loweringuntilthespecimenreturnstothestartposition. NOTE Atypicaltraceisshowninfigure1.Thewettingtimeistakentobethetimedifferencebetween t2 and t1.EN3

30、475509:2002(E) 5 7 Requirement Themaximumwettingtimeshallbestatedintheproductstandard. NOTE Solderabilitywilldecreasewithagedependinguponthetime,temperatureandhumidityofthe storageconditions. Figure1Typicalforce/timetraceforsolderabilitytest Time Wetting time t 2 t 1BS EN 3475-509:2002 BSI 389 Chisw

31、ick 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. It is incorporated by Royal Charter. Revisions British Standards are updated

32、by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Sta

33、ndard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receiv

34、e the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: ordersbsi-. Standards are also available from the BSI website at http:/www.bs

35、i-. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international stand

36、ards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: infobsi-. Subscribing m

37、embers of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 7001. Email: membershipbsi-. Information regard

38、ing online access to British Standards via British Standards Online can be found at http:/www.bsi- Further information about BSI is available on the BSI website at http:/www.bsi-. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of th

39、e international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from B

40、SI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: copyrightbsi-.