EN 4420-2003 en Aerospace series - Clips spring tension in alloy steel FEPA3903《航空航天系列 FE-PA3903型合金钢制弹簧夹》.pdf

《EN 4420-2003 en Aerospace series - Clips spring tension in alloy steel FEPA3903《航空航天系列 FE-PA3903型合金钢制弹簧夹》.pdf》由会员分享，可在线阅读，更多相关《EN 4420-2003 en Aerospace series - Clips spring tension in alloy steel FEPA3903《航空航天系列 FE-PA3903型合金钢制弹簧夹》.pdf（10页珍藏版）》请在麦多课文档分享上搜索。

1、BRITISH STANDARD AEROSPACE SERIES BS EN 4420:2003 Clips, spring tension, in alloy steel FE-PA3903 The European Standard EN 4420:2003 has the status of a British Standard ICS 49.030.50 BS EN 4420:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committ

2、ee on 4 March 2003 BSI 4 March 2003 ISBN 0 580 41336 5 National foreword This British Standard is the official English language version of EN 4420:2003. The UK participation in its preparation was entrusted by Technical Committee ACE/12, Aerospace fasteners and fastening systems, to Subcommittee ACE

3、/12/1, Aerospace fasteners and fastening systems (international), which has the responsibility 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 refer

4、red to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provis

5、ions of a contract. Users are responsible for its correct application. Compliance 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,

6、or proposals for change, and keep the UK interests informed; monitor related 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 7 and a back cover. The BSI copyright date

7、displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN4420 February2003 ICS49.030.50 Englishversion AerospaceseriesClips,springtension,inalloysteelFE PA3903 ThisEuropeanStanda

8、rdwasapprovedbyCENon14September2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonappl

9、icationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersa

10、rethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,SlovakRepublic,Spain,Sweden,Switzerland and UnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUR

11、OPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN4420:2003EEN4420:2003(E) 2 Contents Foreword3 1 Scope 3 2 Normativereferences 3 3 Requiredcharacteristics .4 3.1 Configuratio

12、nDimensionsTolerancesMasses .4 3.2 Material4 4 Designation.7 5 Marking .7 6 Technicalspecification . 7 7 Application7EN4420:2003(E) 3 Foreword ThisdocumentEN4420:2003hasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). Afterenquiriesandvotescarriedoutinaccordancewiththerulesofthi

13、sAssociation,thisStandardhasreceived theapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesofAECMA,priortoits presentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyAugust2003,andconfli

14、ctingnationalstandardsshallbewithdrawnatthelatestby August2003. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,I

15、taly,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandUnitedKingdom. 1Scope Thisstandardspecifiesthecharacteristicsofspringtensionclipsforthesupportofelectricalharnesses,inFE PA3903foraerospaceapplications. Maximumoperatingtemperature:250C 2 Normativereferences ThisE

16、uropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywheni

17、ncorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN2424 AerospaceseriesMarkingofaerospaceproducts. EN4528 AerospaceseriesSteelFEPA3903(X12CrNi1810)ColdrolledStripforspringsa 3mm1 250MPa R m 1640MPa 1) . EN4585 Aerospace

18、seriesClips,springtension,inalloysteelFEPA3903Technicalspecification. TR4586 AerospaceseriesClips,springtensionDesignrecommendations 1) . TR4587 AerospaceseriesClips,springtensionAssemblyprocedure 1) . 1) InpreparationatthedateofpublicationofthisstandardEN4420:2003(E) 4 3 Requiredcharacteristics 3.1

19、 ConfigurationDimensionsTolerancesMasses SeeFigures1and2andTables1and2.Dimensionsandtolerancesareinmillimetres. Detailsofformnotstatedarelefttothemanufacturersdiscretion. 3.2Material EN4528EN4420:2003(E) 5 Key 1 Cutareas 8 HalfsectionWW 2 Removesharpedges(barreldeburring) 9 2holes 3 3Dview 10 R1,5to

20、2 4 Marking(onbothinsertionwingtapes) 11 12to25 5 SectionZZ 12 R0,8to1,5beforebending 6 Mandrel 13 1,1to2,2 7 Clipdefinedonaflatsurface 14 4to4,3 NOTEStresscondition:WhensurfacereferencedAisflatandwhena Amandrelismaintainedbytheclip Figure1Springtensionclip:styleA Table1Springtensionsclip:styleA Dia

21、meter code Tightening range A h6 B a max. C a max. D 0,05 EFGJt min. Mass kg/1000 parts 040 4to5 4 10,5 3,5 1,55 050 5to6 5 11 4,5 2,05 1,45 060 6to7 6 11,5 5 0,5 10,7 2,55 8,65 2 0,45 1,7 a Instresscondition:whensurfacereferencedAisflatandwhenadiameterAmandrelismaintainedbytheclip.EN4420:2003(E) 6

22、Key 1 Cutareas 7 Clipinstresscondition 2 Removesharpedges(barreldeburring) 8 HalfsectionWW 3 SectionZZ 9 R2,5to3 4 Marking(onbothinsertionwingtapes) 10 12to25 5 Mandrel 11 2holes N 63 D v i e w NOTEStresscondition:WhensurfacereferencedAisflatandwhena Amandrelismaintainedbytheclip Figure2Springtensio

23、nclip:styleB Table2Springtensionclip:styleB AB a C a DEFGHJM a N a t Mass kg/ 1000 parts Diameter code Tightening range h6 max. max. 0,05 Theo max. min. min. 070 7to8 7 6,15 12,8 3 8,75 2,9 6,3 3,1 080 8to9 8 6,3 14,5 3,5 9 3,3 6,9 3,4 090 9to10 9 14 6,7 15,5 4 3,7 7,5 3,65 100 10to12 10 15 7,5 16 4

24、,5 10,5 3,9 7,75 3,75 120 12to14 12 16 8,7 19 5,5 12,5 4 9,5 4,5 140 14to16 14 16,5 9 0,5 20 6 14 0 4,9 9,9 0,45 5 160 16to18 16 19,5 11,5 22 6,5 16,5 1,5 11 6,5 180 18to21 18 20,5 12 0,6 24,6 7,5 19 1,4 5,7 13,2 2,6 2,5 0,55 7,7 210 21to24 21 23,5 14,5 31 9,5 22,6 0 6,8 17 12,2 240 24to27 24 26 16,

25、8 0,8 33 11 25,4 0 7,4 18 3,5 3,3 0,75 13,1 a Instresscondition:whensurfacereferencedAisflatandwhenadiameterAmandrelismaintainedbytheclip.EN4420:2003(E) 7 4Designation EXAMPLE: Descriptionblock Identityblock CLIP,SPRING EN4420080 Numberofthisstandard Diametercode(seeTables1and2) NOTEIfnecessary,thec

26、odeI9005shallbeplacedbetweenthedescriptionblockandtheidentityblock. 5Marking AccordingtoTable3andFigures1and2. Table3 Springtensionclip Style EN2424 Style AC BA 6 Technicalspecification Qualificationandacceptance:EN4585 7Application Designrecommendations:TR4586 Assemblyprocedure:TR4587BS EN 4420:200

27、3 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. It is incorporated by Royal Charter. Revisions British Standar

28、ds are updated 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 t

29、his British Standard 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 autom

30、atically receive 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

31、at http:/www.bsi-. 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 inte

32、rnational standards 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-

33、. Subscribing members 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-. Inf

34、ormation regarding 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 pub

35、lications of the 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 pe

36、rmission from BSI. 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-.