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1、INTERNATIONA1.STANDARDISO4000-2editionSixth2O21-1.OPassengercartyresandrims一PW:PneumatiquesetjantespourvoituresPartiCUI论resPartie2:jantesReferencenumberISO400022021(E)COPYRIGHTPROTECTEDDOCUMENTISO2021IUirhM*hedbdi1.iUedotherwiseupdhi.o啪InPSd1.Mc;GeatrOn1.fifiU81.andonnet8CH-1214Vernier,GenevaPhone：M
2、1.22749O1.11觥曲ite：图洲跳触OQrgPub1.ishedinSwitzer1.andContentsforeword2ScopeoNormativereferencesTermsanddefinitionsDesignationandmarkingS0tapered(drop-centre)rims5.1 Rimf1.anges5.2 RimcontoursVa1.veho1.es1.1.r366.1 Genera1.66.2 Va1.veho1.e1,3forsnap-inva1.vesf6.3 Va1.veho1.e11,3forc1.amp-inva1.ves7Forew
3、ordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsttiugh(ISOmrtm匕0)bMdmi)rwcekdHPfff1.QbbGgbodyI1tf1.nmtiJMiai6sndrifc3owhtd1.ysQcchit2committeehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon
4、-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceare0f1.S01.EC(VifY1的M51btheeditoria
5、1.ru1.esoftheISO/IECDirectives.Part2(secwww.iso.org/direc1.ives).时歌Onrightsd随秘姐n棍蜘琳蛾ns由能献吸灰创微盘口府doc1.三棉犯鼠跟监ssubjectofanypatentrightsidentifiedduringthedeve1.opmerUW4iouwMM41.beintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(seewww.iso.org/patents).Anytradeusedinthisconstitutenameen
6、dorsement,documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsandU明泉加OrRan里幅5悯SaSS忠!S窿inwJ憎ftknBar池部Udead焦es地ww.isO.orgisoforeword.htm1.Thissixtheditioncance1.sandrep1.acesthefifthedition(ISO4000-2:2013),whichhasbe
7、entechnica1.1.yrevised.Themainchangescomparedtothepreriouseditionareasfo1.1.ows:theartic1.eofva1.veho1.eforsnap*inva1.veandc1.amp-inva1.vehasbeendivided;theto1.eranceofcircumferenceforroundhumphasbeencorrected.A1.istofa1.1.partsintheISO4000seriescanbefoundontheISOwebsite.Anyfeedbackorquestionsonthis
8、documentShoUkuMMuFstandardsbody.Acomp1.ete1.istingofthesebodiescanbefoundatwww.iso.org/members.htrn1.Passengercartyresandrims一Rims1ScopeNormativereferencescars.constitutesrequirementsaredocument.Fordatedinreferences,on1.ySomeeditiona1.1.citedapp1.iesxontentISO3911,Whee1.sandrimsforpneumatictyresVoca
9、bu1.ary,designationandmarking3TermsanddefinitionsISOandIECmaintaintermino1.ogica1.databasesforUSeinStandardiZatiOnatthefo1.1.owingaddresses：Designationnarkinghpwwwe1.ettiopediFgtype(e.g.sha1.bedesignated5.50itsnomina1.rim-diametercode,nomina1.rim-widthcodeandrimf1.ange55otapered(drop-centre)rims5.1
10、RimangesPart2:Thisdocumentspecifiesthedesignation.Contouranddimensionsof50tapered(drop-centre)rims2primari1.yintendedforpassengerThefo1.1.owingdocumentsofthisreferredinthetextsuchawaythattheorOftheirundatedreferences,the1.atesteditionofthereferenceddocument(inc1.udinganyamendments)app1.ies.ISO9413,T
11、yreva1.vesDimensionsanddesignationForthepurposesofthisdocument,thetennsanddefinitionsgiveninISO3911andISO9413app1.y.ISOOn1.inebrowsingp1.atform:avai1.ab1.eathttps:/www.iso.org/obp4IECE1.ectropediaiandavai1.ab1.eatTherim156Jor1.3byB)definedbyISO3911.Recommendedrimf1.angecontoursaregiveninTab1.e1forth
12、enomina1.rimdiametercodes.Tab1.e1Recommendedrimf1.angesNomina1.rimdiametercodeRimf1.ange1016171819202122232425J305.2RimcontoursDimensionsandto1.erancesoftherimssha1.1.heasgiveninFigure1andTab1.e2.Optiona1.humpcontoursandtheirdimensionsaregiveninFigure2andTab1.e3.Theriincontoursha1.1.berotationa1.sym
13、metricexceptfortheva1.veho1.earea.GMF1.angewidthinc1.udesedgeradius.Theportionofaf1.angeheyondtheminimumwidthsha1.1.notbehigherthanthehighestpointofthef1.ange.Hangcdimensionsapp1.ytobothsidesoftherimcontour.hThesedimensionscomprisetheminimumwe1.1.enve1.opefortyremountingpurposesatMmax.or1.ess,except
14、Dependingontheactua1.va1.uesforf1.angecur1.andf1.angeWidth,butmax.equa1.toRz.,Breakcornerequiva1.enttoR0t5.NOTEForusevehic1.einboardsidc.withtube1.esstyres,humpsarcnecessaryonthevehic1.eoutboardsideandpreferredontheOptiona1.grooveinrimf1.angeforwhee1.weightretentionispermissib1.e.Figure1ContourofSotapered(drop-centre)rimsTab1.e2Dimensionsof5tapered(drop-centre)rimsDiametercodeRimwidthcodeandf1.angetypeBGPP1HDmcgsoCSrjmmjrcs1214
