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JIS B 271012020.docx

1、JISJAPANESEINDUSTRIA1.STANDARDTrans1.atedandPub1.ishedbyJapaneseStandardsAssociationJISB2710-r三0SMAJSA)1.eafspringsPart1:Vocabu1.aryICS21.160Iiefcrrncrnumber:JISB2710-1:2020(E)DateofEstab1.ishment:2008-03-20DateofRevision:2020-08-20DateofPub1.icNoticeinOfficia1.Gazette:2020-0820Investigatedby:Japane

2、seIndustria1.StandardsCommitteeStandardsBoardforISOareaJ1.SB2710-1:2020,FirstEng1.isheditionpub1.ishedin2021413Trans1.atedandpub1.ishedby:JapaneseStandardsAsSoCiatiOnMitaM1.Bui1.ding,31312zMita,MinatDku,Tokyo,108-0073JAPANIntheeventofanydoubtsarisingtothrcxtrntsztheorigina1.J1.Sistobethefina1.author

3、ity.0SA2021A1.1.right*rrnerved.Othrrwinenpci(d.noofIhhPUbHCdHSnmaybetvruduedoruti1.izedinanyfarmorbyanytneane1.ectronicormechanica1.,inc1.udingphotocopyingndmicrofi1.m,withoutpoftheIndus-tria1.StandardizationActapp1.iedmutatismutandispursuanttotheprovisionofArtic1.e16ofthesaidAct.Thiseditionrep1.ace

4、sthepreviousedition(11SB27101.:2008),whichhasbeentechnica1.1.yrevised.ThisJISdocumentihprotectedbytheCopyrightAct.AttentionisdrawntothePOsSibiIitythatsomepartsofthisStandardmayconf1.ictwithpatentrights,pub1.ishedpatentapp1.icationoruti1.itymode1.rights.There1.evantMinisterandtheJapaneseIndustria1.St

5、andardsCommitteearenotresponsib1.eforidentifyinganyofsuchpatentrights,pub1.ishedpatentapp1.icationoruti1.itymode1.rights.JISB2710seriesconsistsofthefo1.1.owing4partsunderthegenera1.tit1.e1.eafsprings:Part 1: Vocabu1.aryPart 2: DesignmethodPart 3: MethodoftestingPart 4: Specificationofproducts(ii)1.e

6、afspringsPart1:Vocabu1.ary1 ScopeThisJapaneseIndustria1.Standarddefinesthemaintermsre1.atedtotheproductspecification,designmethodandtestmethodofthe1.eafspringsusedforautomobi1.es,rai1.wayro1.1.ingstocks,industria1.machines,etc.Genera1.termsanddefinitionsofspringsarespecifiedinJ1SB0103.2 Normativeref

7、erenceThefo1.1.owingstandardcontainsprovisionswhich,throughreferenceinthistext,constituteprovisionsofthisStandard.Themostrecenteditionofthestandard(inc1.udingamendments)indicatedbe1.owsha1.1.beapp1.ied.JISB0103SpringsVocabu1.ary3 TermsanddefinitionsForthepurposeofthisStandard,thefo1.1.owingtermsandd

8、efinitionsapp1.y.Inaddition,theEng1.ishequiva1.entsareshownforinformativereference.NOTEInordertoavoidthedup1.icationwiththetermnumbersgiveninJISB0103,whichstartwiththenumbersfrom1to7,eachrepresentingthesystematica1.1.yc1.assifieddivisionsofterms,a1.1.thefourdigitnumbersgivenfortermsinthisStandardsta

9、rtwiththenumber8.No.Term(JaparufMycharacter)DefinitionReferenceEnNiShequiva1.entSymbo1.Hoo1.f1.athnrwhichConMitUSa1.eafspringNorma1.1.y,itinca1.kdthefrrtIc-iCMMrond1.eafandoonindecreasingorderofthekn9h.NOTEThefirst1.eafisaca1.1.edthemain1.eaf.Inthiscase,MCOnd1.eaforashorteroneisca1.1.edabackup1.eaf.

10、1.eafH(02y-7M三密id4*oftho1.eafonwhichtcnxi1.c*trv*wact*whenth4*1.eafissubjectedtotheprvdetormincdforcetensionxidc80039-70ffW刑sideofthe1.eafonwhichComprefieiVCstressactawhenthe1.eaf口IUbjcCtedtothePnKktCrminedforcecompressionsideH(MM中心六bo1.eforfantoning.providedinthemidd1.eofeach1.eafina1.oafspringTheh

11、o1.onotncceitari1.y1.ocatedatageometriccentre.Insomecases,a1.ugorapitinsteadofaho1.eiprovidedforPNVrntinKeachIvaffromNipping.TheseIUgjiandPiIiimaynkoboca1.1.edtbecentreb1.esfcexceptforcaseswherethiscancausemisundcr-Mnnding.centreho1.eNo.TermJapanesecharacter)DeHnitionRofcronceEngiiahequiva1.entSymbo

12、1.8005distancefromthesupportcentreofforceinthefixedsidetothecentreho1.e(seeFigure1)fixedha1.faanUHOOeWSbkdistancefromthesupportcentreofforceinthefixedsidetothecentreho1.ewhenthefirst1.eafwstretched4raigt(SMWFiXUrV1.)GxtMiha1.fstraightspanStraightpnnHxcdha1.fnan2,:fbrcsofspringFa:forceofspringinfixed

13、sideFn:forceofspringinehack1.e(airspringors1.ide)sideFigure 1 Examp1.eoffixedha1.fspanNb.Term(Japanesecharacter)De11nitionReferenceEngjiehequiva1.entSymbcJ8007常用力forcewhichoonAant1.yWOrkjiona1.eaf叩ringinnorma1.ucnomina1.workingforce8008常用t5力Mreaswhichnstant1.yworksona1.eafspringinthebendingdirection

14、innorma1.UeCnomina1.workingbendingStresANo.Term(Japanesecharacter)DcHnitionReferenceEng1.iehequiva1.entSymbo1.HOO90大作用力maximumforcewhichcanworkathetimeofUf1.eofa1.eafspringmaximumworkingforceBO1.O聂大作用曲,泰力maximumrct9mwhichcanworkona1.eafspringinthebendingdirection,innorma1.usemaximumworkingbondingMt

15、rvsw8011NrSMforcetobespecifiedinordertodefinemain1.ythecambierort1.wheightof1.eafWPrinKspecifiedforceHo1.2先endofa1.eafNOTEThcrrnrrsquareknfend,diamondcut1.eafend,tap!red1.oafend,diamondcutIaPCrvdIcafend.etc.inaccordancewiththeshape.Ieefend8013phenomenonthatoccurswhenthetorsiona1.moment(wind-upmoment

16、)arisingaroundthehorizonta1.axiperpendicu1.artoCh4,VPhiC1。runningdirectionacUonthemidd1.eof1.eafspringfastenedtotheax1.e,withbothendsaresupportedNOTEThisphenomenonoccurs,forexamp1.e,atacce1.erationorbraki11Cfn11automobi1.ewh1.8014MXKUcamberof1.eafspringdefinedbythespecifiedforcedesigncamberG8015nzMs

17、heightof1.eafspringdefinedbythespecifiedforcedesignheightIh801tfnc*oW1.eafwidthattheeyeareaorthes1.idingareaspringendwidthb8017Namentirewidthoftheassemb1.edIcaveaconstrainedbyaUbo1.ta三cmb1.edspringwidthNo.Term(Japanesecharacter)DefinitionReferenceEng1.whequiva1.entSymbo1.8018值-5designingmethodinwhic

18、ha1.eafspringistaperedovera1.mostthewho1.eofthe1.eafa1.ongits1.ongitudina1.direction,exc1.udingtheGttinarea*ofotherParbi,inichawaythatthe1.eafthickneasinthetaperedareaisdecreasedgradua1.1.yandIincariysothatthestressdbetributionin1.hmidd1.ebcco11M慎a1.mostuniformIinQartapermethodH19旅韧”一八汰designingmeth

19、odinwhichthe1.eafthicknesf1.ide-CrCNiCdgradua1.1.yandparabo1.ica1.1.yothatthetrcandistributioninthetaperedareabeoomesmoreuniformincomparisonwiththatofthe1.eafspringde-9Qgru*dbythe1.ineartapermethodparabo1.ictapermethodM2(methodforfittnina1.oafspringtoanax1.eviaaninterferencemembersuchrubberbymcaruof

20、aUbo1.tThismethodiseffectiveiniso1.atingthevibrationandthe11oim.iso1.ateddamp802111wthodforfasteningakafspringtonnax1.edirect1.yhymean*ofaUbo1.trigidc1.amp8022tfu11e1.1.iptica1.ho1.eprovidedatbothendsofabearin*ringforrai1.wayro1.1.ingKtoCkTheho1.esarcusedforfittingthespringtothecarbodybymeansoftwouU

21、shapedbo1.tusedforfittinga1.eafspringtoanax1.eUbo1.t8024individua1.rigide1.ementConsttitutingamechanica1.structure,whichisapartre1.ative1.ymovab1.eeachoc1.wr,connectinga1.eafspringwithabracketonthecarbodyaide1.ink8025ZttU夕1.inkfortransferringtheforceworkingontheupperpartofMpri11ofcarbodybyCOnnMnXone

22、endoftbryfixingfittedtotheeyeof1.eafspringforbearingtheforceWOrkinKonth4*upppartofthspring,fo1.1.owingthespringdeformationItiatypeof1.inksmain1.yusedfora1.eafspringinnutomobi1.c*.shack1.eNo.Term(Japanesecharacter)DefinitionReferenceEng1.ishequiva1.entSymbo1.80287511inu1.working8008(W(11bendingMrvewwi11up8013Gxvdhu1.fspun8006nomin1.workingtrcc8007Gxtfe9Standard*oeiationGroupMiUMTBui1.ding.31312.M1.u.Minn1.oku.Tokya1080073JAPANTE1.0342318650FAX.034231866B

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