JIS B 2710-1-2020.docx
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:JapaneseIndustria1.StandardsCommitteeStandardsBoardforISOareaJ1.SB2710-1:2020,FirstEng1.isheditionpub1.ishedin2021413Trans1.atedandpub1.ishedby:JapaneseStandardsAsSoCiatiOnMitaM1.Bui1.ding,31312zMita,MinatDku,Tokyo,108-0073JAPANIntheeventofanydoubtsarisingtothrc<xtrntsztheorigina1.J1.Sistobethefina1.authority.0SA2021A1.1.right*rrnerved.Othrrwinenp<ci(d.noofIhhPUbHCdHSnmaybetvruduedoruti1.izedinanyfarmorbyanytneane1.ectronicormechanica1.,inc1.udingphotocopying«ndmicrofi1.m,withoutp<micinninwritingfromthrpub1.isher.PrintedinMpanHT/ATContentsPage1 Scope12 Normativereference13 Termsanddenitions1A1.phabetica1.index6ForewordThisJapaneseIndustria1.StandardhasbeenrevisedbytheMinisterofEconomy.TradeandIndustrythroughde1.iberationsattheJapaneseIndustria1.StandardsCommitteeastheresu1.tofproposa1.forrevisionofJapaneseIndustria1.StandardsubmittedbyJapanSpringManufacturersAssociation(JSMAyJaPaneSeStandardsAssociation(JSA)withadraftbeingattached,basedontheprovisionofArtic1.e12,paragraph(1>oftheIndus-tria1.StandardizationActapp1.iedmutatismutandispursuanttotheprovisionofArtic1.e16ofthesaidAct.Thiseditionrep1.acesthepreviousedition(11SB27101.:2008),whichhasbeentechnica1.1.yrevised.ThisJISdocumentihprotectedbytheCopyrightAct.AttentionisdrawntothePOsSibiIitythatsomepartsofthisStandardmayconf1.ictwithpatentrights,pub1.ishedpatentapp1.icationoruti1.itymode1.rights.There1.evantMinisterandtheJapaneseIndustria1.StandardsCommitteearenotresponsib1.eforidentifyinganyofsuchpatentrights,pub1.ishedpatentapp1.icationoruti1.itymode1.rights.JISB2710seriesconsistsofthefo1.1.owing4partsunderthegenera1.tit1.e1.eafsprings:Part 1: Vocabu1.aryPart 2: DesignmethodPart 3: MethodoftestingPart 4: Specificationofproducts(ii)1.eafspringsPart1:Vocabu1.ary1 ScopeThisJapaneseIndustria1.Standarddefinesthemaintermsre1.atedtotheproductspecification,designmethodandtestmethodofthe1.eafspringsusedforautomobi1.es,rai1.wayro1.1.ingstocks,industria1.machines,etc.Genera1.termsanddefinitionsofspringsarespecifiedinJ1SB0103.2 NormativereferenceThefo1.1.owingstandardcontainsprovisionswhich,throughreferenceinthistext,constituteprovisionsofthisStandard.Themostrecenteditionofthestandard(inc1.udingamendments)indicatedbe1.owsha1.1.beapp1.ied.JISB0103SpringsVocabu1.ary3 TermsanddefinitionsForthepurposeofthisStandard,thefo1.1.owingtermsanddefinitionsapp1.y.Inaddition,theEng1.ishequiva1.entsareshownforinformativereference.NOTEInordertoavoidthedup1.icationwiththetermnumbersgiveninJISB0103,whichstartwiththenumbersfrom1to7,eachrepresentingthesystematica1.1.yc1.assifieddivisionsofterms,a1.1.thefourdigitnumbersgivenfortermsinthisStandardstartwiththenumber8.No.Term(JaparufMycharacter)DefinitionReferenceEnNiShequiva1.entSymbo1.Hoo1.f1.athnrwhichConMitUS«a1.eafspringNorma1.1.y,itinca1.kdthefrrtIc-iCMMrond1.eafandoonindecreasingorderofthekn9h.NOTEThefirst1.eafisa×>ca1.1.edthemain1.eaf.Inthiscase,MCOnd1.eaforashorteroneisca1.1.edabackup1.eaf.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.oafspringTheho1.onotncceit«ari1.y1.ocatedatageometriccentre.Insomecases,a1.ugorapitinsteadofaho1.eiprovidedforPNVrntinKeachIvaffromNipping.TheseIUgjiandPiIiimaynkoboca1.1.edtbecentreb1.esfcexceptforcaseswherethiscancausemisundcr-Mnnding.centreho1.eNo.TermJapanesecharacter)DeHnitionRofcronceEngiiahequiva1.entSymbo1.8005distancefromthesupportcentreofforceinthefixedsidetothecentreho1.e(seeFigure1)fixedha1.faanUHOOeWSbkdistancefromthesupportcentreofforceinthefixedsidetothecentreho1.ewhenthefirst1.eafwstretched4raigt(SMWFiXUrV1.)GxtMiha1.fstraightspanStraightpnnHxcdha1.fnan2,:fbrc<sofspringFa：forceofspringinfixedsideFn: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,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,
