1、BRITISH STANDARD BS EN 13298:2003 Railway applications Suspension components Helical suspension springs, steel The European Standard EN 13298:2003 has the status of a British Standard ICS 21.160; 45.060.01 BS EN 13298:2003 This British Standard was published under the authority of the Standards Poli
2、cy and Strategy Committee on 21 March 2003 BSI 21 March 2003 ISBN 0 580 41460 4 National foreword This British Standard is the official English language version of EN 13298:2003. The UK participation in its preparation was entrusted by Technical Committee RAE/3, Railway rolling stock material, to Su
3、bcommittee RAE/3/-/4, Suspension components, 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 referred to in this docume
4、nt 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 provisions of a contract. U
5、sers 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, or proposals for chan
6、ge, 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 46, an inside back cover and a back cover. The BSI copyright dat
7、e displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN13298 March2003 ICS21.160;45.060.01 Englishversion RailwayapplicationsSuspensioncomponentsHelical suspensionsprings,ste
8、el ApplicationsferroviairesElmentsdesuspension Ressortsdecompressionhlicodaux,enacier BahnanwendungenFederungselementeSchrauben DruckfedernausStahl ThisEuropeanStandardwasapprovedbyCENon29November2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivin
9、gthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyoth
10、erlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxemb
11、ourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwi
12、deforCENnationalMembers. Ref.No.EN13298:2003EEN13298:2003(E) 2 Contents page Foreword4 1 Scope 5 2 Normativereferences 5 3 Terms,symbols,unitsandtheirabbreviations . .6 3.1 Terms 6 3.2 Symbols,unitsandtheirabbreviations .7 3.3 Definitionofthegeometricalcharacteristics. .9 4 Classificationoftheproduc
13、t . .10 5 Requirements .10 5.1 Serviceconditions .10 5.2 Functionalrequirements . 10 5.3 Essentialrequirements .16 6 Productspecification . .17 6.1 Technicalspecification . 17 6.2 Designcharacteristics .18 6.3 Material19 6.4 Mechanicalcharacteristicsofthespring 20 6.5 Surfaceprotection .21 7 Testmet
14、hods 21 7.1 General21 7.2 Axialforcedeflectiontesting 21 7.3 Transverse stiffnesstest. 22 7.4 Testof freetransversedeflection . .24 7.5 Testofgeometricalcharacteristics . 24 7.6 Testofgeneralandessentialrequirements 25 7.7 Mechanicalrequirements. .26 7.8 Surfaceprotection .26 8 Qualityoftheproduct 2
15、7 8.1 General27 8.2 Productqualificationproceduresandsamples 27 8.3 Controlandmonitoringofproductionquality 28 8.4 Finalacceptancerequirements . .29 8.5 Nonconformity .30 9 Marking .31 10 Packaging .31 AnnexA (normative) Helicalcylindricalcompressionspringswithconstantinclination,formedfrom cylindri
16、calsteelbarsandfeaturingformedandgroundends32 A.1 Object32 A.2 Innerandouterdiameters. 32 A.3 Endsofthespring .33 A.4 Contactline .33 A.5 Geometricaltolerances .33 A.6 Distancebetweenthecoils .35 AnnexB (normative) Materialsforhotformedandtreatedhelicalsuspensionsprings38 B.1 General38 B.2 Materialf
17、orhelicalsuspensionsprings,steel 38EN13298:2003(E) 3 AnnexC (normative) Repeatabilityofprestressingbymeansofshotpeening39 C.1 Object39 C.2 Checkoftheintensity 39 C.3 Checkofthecovering . 42 AnnexD (normative) Examinationforinclusions.43 D.1 Object43 D.2 Testmethods 43 AnnexE (normative) Magneticdete
18、ctionofsurfaceimperfectionsofhelicalspringsformedfrom cylindricalsteelbars . 45 E.1 Object45 E.2 Methods 45 E.3 Specialprecautions. 45 Bibliography 46EN13298:2003(E) 4 Foreword Thisdocument(EN13298:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC256“RailwayApplications“ thesecretariatofwhichisheldbyDI
19、N. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbySeptember2003,andconflictingnationalstandardsshallbewithdrawnatthe latestbySeptember2003. InthisEuropeanStandardtheannexesAtoEarenormative. ThepreparationofthisEuropeanSt
20、andardstartedinearly1992withtheaimtointegratetheexistingdocuments suchasUIC822(InternationalUnionofRailways)andinternaldocumentsofvariousrailwaycompaniesintoa concisestandard. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthi
21、sEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN13298:2003(E) 5 1Scope ThisEuropeanStandardisapplicabletohelicalsteelsuspensionspr
22、ingsusedinthesuspensionofrailvehicles. Itdealsspeciallywithcylindricalcompressionspringsmadefromroundsectionsteelbarsofconstantdiameterand withconstantinclinationofcoiling. Itdealsalsowithhelicalspringswithdifferentshapes(e.g.conicaland/orinclinationofcoilingnotconstantand/or steelbarwithothercrosss
23、ections,etc.). Thisstandardgivesguidancefor: design; specificationoftechnicalandqualityrequirements; theapprovalprocedureandqualityassuranceofproductionmethods; theexaminationsandteststobecarriedout; thedeliveryconditions. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferen
24、ce,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedre
25、ferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN473, Nondestructivetesting QualificationandcertificationofNDTpersonnelGeneralprinciples. EN100021, MetallicmaterialsTensiletestingPart1:Methodoftestatambienttemperature. EN100451, MetallicmaterialsCharpyimpacttestPart
26、1:Testmethods. EN100831, QuenchedandtemperedsteelsPart1:Technicaldeliveryconditionsofspecialsteels. EN102281, NondestructivetestingofsteelforgingsPart1:Magneticparticleinspection. prEN10089:1998, HotrolledsteelsforquenchedandtemperedspringsTechnicaldeliveryconditions. ENISO21621:1996, Technicalprodu
27、ctdocumentationSpringsPart1:Simplifiedrepresentation(ISO2162 1:1993). ENISO21622:1996, TechnicalproductdocumentationSpringsPart2:Presentationofdataforcylindrical helicalcompressionsprings(ISO21622:1996). ENISO21623, TechnicalproductdocumentationSpringsPart:3Vocabulary(ISO21623:1996). ENISO4288, Geom
28、etricalProductSpecification(GPS)Surfacetexture:ProfilemethodRulesandprocedures fortheassessmentofsurfacetexture(ISO4288:1996). ENISO10289,Methodsforcorrosiontestingofmetallicandotherinorganiccoatingsonmetallicsubstrates Ratingoftestspecimensandmanufacturedarticlessubjectedtocorrosiontests(ISO10289:1
29、999).EN13298:2003(E) 6 ENISO14284, SteelandironSamplingandpreparationofsamplesforthedeterminationofchemical composition(ISO14284:1996). ISO4967:1998, SteelDeterminationofcontentofnonmetallicinclusionsMicrographicmethodusingstandard diagrams. ISO9227, CorrosiontestsinartificialatmospheresSaltspraytes
30、ts. ISO/TR10108, SteelConversionofhardnessvaluestotensilestrengthvalues. ISO102091,TechnicalproductdocumentationVocabularyPart1:Termsrelatingtotechnicaldrawings: generalandtypesofdrawings(ISO102091:1992). EURONORM103, IronandsteelMacrographicdeterminationoftheferriticorausteniticgrainsizeofsteels. E
31、URONORM104, Determinationofthedecarburizationdepthofunalloyedandlowalloystructuralsteels. UIC5154, PassengerrollingstockTrailerbogiesRunninggearBogieframestructurestrengthtest 1) . DIN50602:1985, Metallographicexamination;microscopicexaminationofspecialsteelsusingstandarddiagrams toassessthecontento
32、fnonmetallicinclusions. 2) NFA04106:1984, IronandsteelMethodsofdeterminationofcontentofnonmetallicinclusionsinwroughtsteel PartII:Micrographicmethodusingstandarddiagrams. 3) SS111116:1987,SteelMethodforassessmentofthecontentofnonmetallicinclusionsMicroscopicmethod JernkontoretsinclusionchartIIforthe
33、assessmentofnonmetallicinclusions. 4) 3 Terms,symbols,unitsandtheirabbreviations 3.1Terms ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninENISO21623andthefollowing apply. 3.1.1 spring term“helicalsuspensionspring,steel“referstothefinishedproduct.Forsimplificationpurposes,inthetexto
34、fthe presentstandard,theterm“spring“isusedforalltypesofhelicalcompressionsprings,madefromsteel, independentoftheircategory 3.1.2 transversedeflection(bowing) naturaltransversemovementoftheaxisofthespringunderanaxialforce,whilethetopandthebottomsurfaceof thespringremainparallelandthespringisfreetomov
35、elaterally.Thetransverseforce F C istheforcerequiredto movethespringbacktotheinitialcentredposition 1) Canbeobtainedfrom:UICDirectionGnrale,16rueJeanRey,F75015Paris. 2) Canbepurchasedfrom:BeuthVerlagGmbH,Burggrafenstr.6,10772DBerlin. 3) Canbepurchasedfrom:Association denormalisation(AFNOR),11,av.Fra
36、ncisdePressens,F93571Aint DenisLaPlaineCEDEX. 4) Canbepurchasedfrom:SISStandardiseringeniSverige,box6455,S11382Stockholm.EN13298:2003(E) 7 3.1.3 clearancefactor clearancebetweentheactivecoilswithreferencetothewirediameteronacylindricalhelicalspringwithconstant inclination,madewithcircularwireandfeat
37、uringclosedandgroundends 3.1.4 decarburization lossofcarbononthemetalsurfaceduringthehotformingofthespring 3.1.5 spacerequirements volumeoccupiedbythespringunderitsvariousoperationalconditions 3.1.6 creep lossofthespringlengthunderadefinedstaticordynamicforceinadefinedtime 3.1.7 contactline lineloca
38、tedbetweeneachendcoilandtheadjacentactivecoilofthecylindricalhelicalspringwithconstant inclination,madewithcircularwireandfeaturingclosedandgroundends(formDaccordingtoISO21622),inthe loadedcondition 3.1.8 activecoil completespiralturnofthewirewithconstantdiameter,whichremainswithoutcontactwithadjace
39、ntcoilswithinthe entireworkingenvelopeofthespring 3.2 Symbols,unitsandtheirabbreviations Themajorityofthesymbols,usedinthisstandardanddescribedinTable1,areinaccordancewith ENISO21622.EN13298:2003(E) 8 Table1Symbolsandtheirdefinition No Symbol Unit Description 1 A % Elongationatrupture 2A R % Allowab
40、ledeviationofaxialstiffness 3 d mm Diameterofthesteelbar 4 D mm Meandiameterofthewinding(averagecoilingdiameter) 5 D e mm Outerspringdiameter 6 D i mm Innerspringdiameter 7 e mm Clearancebetweentheactivecoils F j (F 1 ,F 2 ,) N Axialstaticforce,appliedonthespring,with: F A N Minimumoperationalforce
41、F B N Maximumoperationalforce F cth N Theoreticalforce,correspondingtothesolidlengthofspring F cj (F C0 ,F C1 ) N Definedtestloadsfordeterminationofbowing(transversedisplacement) F M N Forceatminimumallowablelength F U N Lowertestforcefordeterminationofstiffness K S (orflexibility) 8 F V N Uppertest
42、forcefordeterminationofstiffness K S (orflexibility) 9 g m/s 2 Earthacceleration(gravity) 10 G MPa Shearmodulus(defaultvalueisG=79000MPa) 11 L 0 mm Freelengthofspring L j (L 1 ,L 2 ,) mm Lengthofthespringwhensubjectedtoanaxialforce F j , L A mm Lengthofthespringwhensubjectedtotheaxialforce F A L B m
43、m Lengthofthespringwhensubjectedtotheaxialforce F B L C mm Solidlengthofspring L M mm Minimumallowable lengthofspring L U mm Lengthofthespringwhensubjectedtoanaxialforce F U L V mm Lengthofthespringwhensubjectedtoanaxialforce F V 12 n Numberofactivecoils 13 n t Totalnumberofcoils 14 Q j N Transversestaticforce,appliedtothespringtoproduceatranslationof r j (transversedisplacementofthetwosupportingsurfaces) 15 r j mm Translation(transversedisplacementofthetwosupportingsurfaces r E mm Maximumpossibletransversedisplacement(tobumpstops)EN13298:2003(E) 9 Table1 (continued) 16 R p0,2 MP