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    BS EN 1337-6-2004 Structural bearings - Rocker bearings《结构轴承 摇杆轴承》.pdf

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    BS EN 1337-6-2004 Structural bearings - Rocker bearings《结构轴承 摇杆轴承》.pdf

    1、BRITISH STANDARD BS EN 1337-6:2004 Structural bearings Part 6: Rocker bearings The European Standard EN 1337-6:2004 has the status of a British Standard ICS 91.010.30 BS EN 1337-6:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 July 2

    2、004 BSI 28 July 2004 ISBN 0 580 44116 4 National foreword This British Standard is the official English language version of EN 1337-6:2004. Together with BS EN 1337-4:2004 supersedes BS 5400-9.1:1983 which will remain current until the publication of the remaining parts of the BS EN 1337 series. The

    3、 UK participation in its preparation was entrusted to Technical Committee B/522, Structural bearings, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement internation

    4、al or European publications referred 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

    5、 include all the necessary provisions 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

    6、enquiries on the interpretation, 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 28, an ins

    7、ide back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN13376 April2004 ICS91.010.30 Englishversion StructuralbearingsP

    8、art6:Rockerbearings AppareilsdappuistructurauxPartie6:Appareilsdappui balanciers LagerimBauwesenTeil6:Kipplager ThisEuropeanStandardwasapprovedbyCENon2February2004. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofana

    9、tionalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undert

    10、heresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembo

    11、urg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2004CEN Allrightsofexploitationinanyformandbyanymeansr

    12、eserved worldwideforCENnationalMembers. Ref.No.EN13376:2004:EEN13376:2004(E) 2 Contents page Foreword4 1 Scope.5 2 Normativereferences 5 3 Terms,definitionsandsymbols .5 3.1 Termsanddefinitions. .5 3.2 Symbols 7 4 Functionalrequirements . 7 4.1 General7 4.2 Loadbearingcapacity. 8 4.3 Rotationcapabil

    13、ity. 8 5 Materials8 5.1 General8 5.2 Carbonsteel .8 5.3 Stainlesssteel . .8 5.4 Caststeel 8 5.5 Castiron. .8 6 Design .8 6.1 General8 6.2 Curvedsurfaces. 9 6.3 Surfacesincontact. .9 6.4 Preventingofsliding . 9 6.5 Dimensioningofcomponents 9 6.5.1 Dimensionsoflinerocker. 9 6.5.2 Pointrockerinspherica

    14、lseating . 10 6.5.3 Pointrockeronaflatsurface .10 6.5.4 Loaddistributiontoothercomponents. 10 6.6 Particularrequirements. 11 6.6.1 Corrosioninthecontactlineorpoint 11 6.6.2 Alignment11 6.6.3 Linerockerrotationaleccentricity . 11 6.6.4 Pointrockerrotationaleccentricity 12 6.6.5 Eccentricityduetohoriz

    15、ontalload . .12 6.6.6 Totaleccentricity 12 6.6.7 Limitingrotationcondition . 12 6.7 Combinationwithotherelements . .13 7 Tolerances 13 7.1 Flatness.13 7.2 Surfaceprofile. .13 7.3 Surfaceroughness . .13 7.4 Parallelismofcontactsurfaces. .14 8 Conformityevaluation . 14 8.1 General14 8.2 Controloftheco

    16、nstructionproductanditsmanufacture. 14 8.2.1 Factoryproductioncontrol(FPC) 14 8.2.2 Initialtypetesting 14 8.2.3 Routinetesting. 14 8.3 Rawmaterialsandconstituents .14 9 Installation 15EN13376:2004(E) 3 10 Inserviceinspection .15 AnnexA (normative) Ferrousmaterials. .17 AnnexB (informative) FactoryPr

    17、oductionControl(FPC).18 B.1 General18 B.1.1 Objectives.18 B.1.2 Documentation.18 B.1.3 Operations 18 B.2 Verificationsandtests. 19 B.2.1 Generalcomments .19 B.2.2 Monitoringofconformity 19 B.2.3 Tests19 B.2.4 Treatmentofconstructionproductswhichdonotconform. 19 B.2.5 Recordingofverificationsandtests

    18、(manufacturersregister) 19 B.3 Traceability.20 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingtheprovisionsoftheEU ConstructionProductsDirective 21 ZA.1Scopeandrelevantcharacteristics 21 ZA.2 Procedure(s)forattestationofconformityofrockerbearings .22 ZA.3 CEmarkingandlabelling. .26 Bib

    19、liography 28EN13376:2004(E) 4 Foreword Thisdocument(EN13376:2004)hasbeenpreparedbyTechnicalCommitteeCEN/TC167,“Structuralbearings“, thesecretariatofwhichisheldbyUNI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyOctober

    20、2004,andconflictingnationalstandardsshallbewithdrawnatthelatest byJanuary2006. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). ForrelationshipwithEUDirective(s),seeinformativeannexZA,whichi

    21、sanintegralpartofthisdocument. TheEuropeanStandardEN1337“Structuralbearings”consistsofthefollowing11parts: Part1 Generaldesignrules Part2 Slidingelements Part3 Elastomericbearings Part4 Rollerbearings Part5 Potbearings Part6 Rockerbearings Part7 SphericalandcylindricalPTFEbearings Part8 Guidebearing

    22、sandrestrainbearings Part9 Protection Part10 Inspectionandmaintenance Part11 Transport,storageandinstallation AnnexAisnormativeandannexBisinformative. ThisdocumentincludesaBibliography. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoim

    23、plementthisEuropeanStandard:Austria,Belgium,Cyprus,CzechRepublic,Denmark, Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta, Netherlands,Norway,Poland,Portugal,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EN13376:2004(E) 5 1Scope This

    24、partofEN1337specifiestherequirementsforthedesignandmanufactureofrockerbearings.Inorderto accommodatedisplacementsrockerbearingscanbecombinedwithaslidingelementinaccordancewithEN13372. Bearingswhicharesubjectedtorotationgreaterthan0,05radresultingfromthecharacteristiccombinationofactions areoutsideth

    25、escopeofthispartofEN1337.ThispartofEN1337doesnotapplytorockerbearingsmadewith materialsotherthanthosespecifiedinclause5. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,an

    26、dthepublicationsarelistedhereafter.Fordated references,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropeanStandardonly whenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthepublicationreferred toapplies(includingamendments). EN13371:2000, Structu

    27、ralbearingsPart1:Generaldesignrules. EN13372:2004 ,StructuralbearingsPart2:Slidingelements. EN13377, StructuralbearingsPart7:SphericalandcylindricalPTFEbearings. EN13379:1997, StructuralbearingsPart9:Protection. EN133710, StructuralbearingsPart10:Inspectionandmaintenance. EN1990 ,EurocodeBasisofstru

    28、cturaldesign. EN10025, HotrolledproductsofnonalloystructuralsteelsTechnicaldeliveryconditions. EN100831, QuenchedandtemperedsteelsPart1:Technicaldeliveryconditionsforspecialsteels. EN100832, QuenchedandtemperedsteelsPart2:Technicaldeliveryconditionforunalloyedqualitysteels. EN100882, Stainlesssteels

    29、Part2:Technicaldeliveryconditionsforsheet/plateandstripforgeneralpurposes. EN10160, Ultrasonictestingofsteelflatproductofthicknessequalorgreaterthan6mm(reflectionmethod). EN10204, MetallicproductsTypesofinspectiondocuments. ENISO4287, Geometricalproductspecifications(GPS)Surfacetexture:Profilemethod

    30、Terms,definitionsand surfacetextureparameters(ISO4287:1997). ENISO65061, MetallicmaterialsBrinellhardnesstestPart1:Testmethod(ISO65061:1999). ISO1083, SpheroidalgraphitecastironClassification. ISO3755, Castcarbonsteelsforgeneralengineeringpurposes. 3 Terms,definitionsandsymbols 3.1 Termsanddefinitio

    31、ns ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply.EN13376:2004(E) 6 3.1.1 linerocker bearingwhichisformedbyapartialcylindricalsurfacerollingonaflatplate.Itpermitsrotationaboutanaxisparallelto theaxisofthecurvedsurface(seeFigure1).Ifnecessarytherockerandrockerplatecanbeinve

    32、rted Key 1 Rockerplate 2 Cylindricalsurface 3 Linerockerbearing 4 Linerocker 5 Linerockerbearing Figure1Typicallinerockerbearing 3.1.2 pointrocker bearingwhichisformedbyaconvexsphericalsurfacerollingonaflatorconcavesphericalsurfaceoflargerradius (seeFigure2) Key 1 Rockerplate 2 Sphericalsurfaces 3 P

    33、ointrocker Figure2Typicalpointrockerbearing 3.1.3 rocker componentwithacurvedconvexsurfaceformedononeface.Thecurvedsurfacecanbeaportionofacylinderor sphere(seeFigures1and2) 3.1.4 rockerplate componentwhichoperatesincontactwiththerocker.Itcanbeflatoraconcaveportionofasphere(seeFigures1and 2)EN13376:2

    34、004(E) 7 3.1.5 sheardowel componentwhichprovidespositivemechanicalrestraintohorizontalloads 3.2Symbols ForthepurposesofthisEuropeanStandard,thefollowingsymbolsapply. a d totaldesignangularrotationinonedirection,inradians(rad) E d designmodulusofelasticity,inNewtonspersquaremillimetre(N/mm 2 ) e d to

    35、taldesigneccentricityofverticalload,inmillimetres(mm) e 2,d designeccentricityduetorotation,inmillimetres(mm) e 3,d designeccentricityduetotranslation,inmillimetres(mm) f u ultimatestrengthofmaterial,inNewtonspersquaremillimetre(N/mm 2 ) f y yieldstrengthofmaterial,inNewtonspersquaremillimetre(N/mm

    36、2 ) N Rd designresistanceofthecontactsurface N Rd designresistanceperunitlengthinNewtonpermillimetre(N/mm) N Rk characteristicresistanceofthecontactsurface N Rk characteristicresistanceperunitlengthinNewtonpermillimetre(N/mm) N Sd designaxialforce,inNewtons(N) N Sd designaxialforceperunitlength,inNe

    37、wtonpermillimetre(N/mm) g m partialmaterialsafetyfactor H distancebetweenhorizontalsectiontobeverifiedandrockercontactarea,inmillimetres(mm) L effectivelengthofrockersurface,inmillimetres(mm) R radiusofconvexcontactsurface,inmillimetres(mm) R 1 radiusofconcavecontactsurface,inmillimetres(mm) V Sd to

    38、taltransverseorshearforceinNewtons(N) 4Functional requirements 4.1General Arockerbearingshallbecapableoftransferringappliedverticalandhorizontalforcesbetweenthesuperstructureand thesubstructure.Linerockersshallpermitrotationinonedirectionabouttherockeraxis.Pointrockersshallpermit rotationaboutanyaxi

    39、s. Rockerbearingsmaybeusedtoresisthorizontalforces.Resistanceshallbebymeansofpositivemechanicalrestraint suchassheardowels.EN13376:2004(E) 8 4.2 Loadbearingcapacity Theloadbearingcapacityoftherockerbearingshallbeobtainedfromthedesignverificationasafunctionofthe geometryandthesteelproperties. 4.3 Rot

    40、ationcapability Therotationcapabilityoftherockerbearingisanintrinsiccharacteristicofthesystembasedonitsgeometryandshall bedeclaredbythemanufacturer.Itsmaximumvalueshallbe0,05rad. 5Materials 5.1General OnlyferrousmaterialasspecifiedinthefollowingandinannexAshallbeusedinthemanufactureofrockerbearing c

    41、omponents. RockersandrockerplatesshallbeexaminedforcracksbyultrasonictestinginaccordancewithEN10160orby magneticparticleordyepenetrantmethods.Nocomponentswithlineardefectsrevealedbytheseproceduresare acceptable. ThelowtemperatureimpactpropertiesofallsteelmentionedinthefollowingandinannexAshallcomply

    42、withthe requirementsgiveninannexA.Impacttestsshallbeconductedasspecifiedintherelevantstandards.Theminimum energyat20Cfortheaverageof3samplesshallbeasgiveninannexA.Onlyoneofthese3samplesmayhavea lowervaluewhichshallbeatleast0,7xtheaveragespecifiedinannexA. Thehardnessofrockerandrockerplatesshallbever

    43、ifiedinaccordancewithENISO65061.Boththehardnessofthe contactsurfacesandthevariationinhardnessacrossthesectionshallbeverifiedbytestscarriedoutonthecontact surfacesandacrosstheends. 5.2Carbon steel CarbonsteelshallbeinaccordancewiththerequirementsofEN10025orEN100831andEN100832.Theminimum yieldstrength

    44、shallbe240N/mm 2 . 5.3 Stainlesssteel StainlesssteelshallbeinaccordancewithEN100882.Theminimumtensilestrengthshallbe510N/mm 2 forany component. 5.4 Caststeel CaststeelshallbeinaccordancewithISO3755andannexA. 5.5 Castiron CastironshallbeofspheroidalgraphitetypeinaccordancewithISO1083andannexA. 6Design 6.1General Designverificationwithrespecttoloading,rot


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