JIS B 1864-2021.docx

JISJAPANESEINDUSTRIA1.STANDARDTrans1.atedandPub1.ishedbyJapaneseStandardsAssociationJISB1864-(JBMASA)Synchronousbe1.tdrivesBe1.tsandpu1.1.eysICS21.220.10；43.060.10Refeenconumber:JISB1864:2021(E)DateofEstab1.ishment2021.0222DateofPub1.icNoticeinOfficia1.Gazette.20210222InvestigatedbyJaPaneSeIndustria1.StandardsCommitteeStandardsBoardforISOareaJ1.SB1864:2O2bFirstEng1.isheditionpub1.ishedin2022X)4Trans1.atedandpub1.ishedby:JapaneseStandardsAssociationMiUMTBUiIdi呷3-13-12,MMMinawkU,Tokyo,108-0073JAPAX!ntheCVentofanydoubtsarisingastothecontents,theorigina1.J1.Sistobethefina1.authority.©JSA2022A1.1.righMrv*rvM.1.nkMo<herwt*specified,nopartQfth1.*pub1.k*4tk>nnuybereproducedaru1.UUedinanyf<morbyany11vjm,e1.ectronsorInedUnka1.IIKhJdMgphotocopyingandmk*rofi1.m,withoutPCrmiX1.CtonmwritingfromthrpubUchc.PrintedinpanHT/HNContentsPageIntroduction11 Scope12 Normativereferences13 Termsanddefinitions24 C1.assification25 Be1.tdesignation26 Be1.tstructure37 Be1.tPromeS/dimensionsandto1.erances7.1 Be1.tprofi1.esanddimensionsZandZB7.2 Be1.tprofi1.esanddimensionsZHandYH7.3 Be1.tprofi1.esanddimensionsZRandYR7.4 Be1.tprofi1.esanddimensionsZSandYS77.5 To1.erancesforbe1.tpitch1.engthandcentredistancevariation77.6 To1.erancesforbe1.twidthand1.atera1.runout88 Be1.ttestmethods88.1 Measurementsofbe1.tpitch1.engthandcentredistancevariation88.2 Measurementofbe1.trunout138.3 Measurementofbe1.twidth149 Be1.tmarking1410 Ru1.1.eydesignation1511 ProfIIeSanddimensionsofpu1.1.eytthc1.earance151.1 1ZandZB151.2 2ZHandYH161.3 3ZRandYR181.4 4ZSandYS2012 I11eydimensionsandto1.erances2012.1 Deviationofpitchbetweenadjacentteethandtota1.deviation2012.2 Outsidediameterto1.erances2112.3 Minimumpu1.1.eywidth-2112.4 F1.angedimensions2212.5 Otherpu1.1.eyto1.erances2213 Pu1.1.eytestmethods2413.1 Genera1.2413.2 Grooveprofi1.e24(i)ForcuordThisJapaneseIndustria1.Standardhasbeenestab1.ishedbytheMinisterofEnomy,TradeandIndustrythroughde1.iberationsattheJapaneseIndustria1.StandardsCommitteeaccordingtotheproposa1.forestab1.ishmentofJapaneseIndustria1.Standardsubmittedbyz11eJapanBe1.tingManufacturersAssociation(JBX1.AVJapaneseStandardsAssociation(JSA)withadraftbeingattached,basedontheprovisionofArtic1.e12.paragraph(1)oftheIndustria1.StandardizationAct.ThisJISdocumentisprotectedbytheCopyrightct.Attentionisdrawntothepossibi1.itythatsomepartsofthisStandardmaynf1.ictwithpatentrights,pub1.ishedpatentapp1.icationoruti1.itymode1.rights.There1.evantMinisterandtheJapaneseIndustria1.StandardsCommitteearenotresponsib1.eforidentifyinganyofsuchpatentrights,pub1.ishedpatentapp1.icationoruti1.itymode1.rights.(iii):BIank1.Synchronousbe1.tdrivesBe1.tsandpu1.1.eysIntroductionThisJapaneseIndustria1.StandardhasbeenpreparedbasedonISO21342:2019,Edition1withsomemodificationsofthetechnica1.ntentsforcorrespondingparts(profi1.esanddimensions)butaddingsomeJISspecificationcontents(measuringmethod,markingetc.)thatarenotgiveninthesaidcorrespondingInternationa1.Standard.Thevertica1.1.inesonbothsidesanddottedunder1.inesindicateadditionstothecorrespondingInternationa1.Standard.1.istofmodificationswiththeexp1.anationsisgiveninAnnexJA-1 ScopeThisStandardBPeeifiegthePrOfneB/dimensionsofsynchronousbe1.ts(hereafterreferredtoasbe1.ts)andtheirre1.atedpu1.1.eys(hereafterreferredtoaspu1.1.eys)foruseinautomotiveapp1.icationsandgen?Ia1.iPd里且Uia1.留uip.ment坐UCh且艮.intWrn我.1.s9mbSnenginesOfagricu1.Ma】machinery.NOTETheInternationaStandardcorrespondingtothisStandardandthesymbo1.ofdegreeofcorrespondenceareasfo1.1.ows.ISO21342:2019Synchwnousbe1.tdrivesAutomotivebe1.tsandpub/即S(MOD)Inaddition,symbo1.swhichdenotethedegreeofcorrespondenceinthecontentsbetweenthere1.evantInternationa1.StandardandJISareIDT(identica1.).MOD(modified),andNEQ(notequiva1.ent)accordingtoISO/IECGuide21。12 NormativereferencesThefo1.1.owingstandardscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthisStandard.Themostrecenteditionsofthestandards(inc1.udingamendments)indicatedbe1.owsha1.1.beapp1.ied.JISBO601.9Goometric1.Product.Specificatigns.(GPS.Surface.texturet,Pp1.emethM=TermB1.def1.nitiQnfdwurmceICKtUreParam典raJISB17573Eva1.uationofinstrumentsforthemeasurementofindividuaIgears一Part3:He1.ixmeasurementUsingp1.ineartifactsJISB17574Eva1.uationofinstrumentsforthemeasureientOfindiVidUaIK©arsPart4:PitChmeasurementUAinESDhereartifactsJISB1859Srnchronousbe1.tdrivesVocabu1.ary.JISB7502MiCrometerS2JISB7507Vernier,dia1.anddigita1.ca1.1.ipers3 TermsanddefinitionsForthepurposeofthisStandard,thetermsanddefinitionsgiveninJISB1859.andthefo1.1.owingapp1.y.3.1pitchCircumferenceva1.ueobtainedbvmu1.tip1.yingthepu1.1.cvtoothpitch(Pb)bythenumberofpu)1.cvteeth4 C1.asaiiicationThebe1.tsandpu1.1.eysareC1.aSSifiedintoeighttypesaccordingtothecombinationofthetoothpitchandbasictoothprofi1.e,andtheirsymbo1.sareasgiveninTab1.e1.Tab1.e1C1.assificationofbe1.tsandpu1.1.eysBascictoothprofi1.eTbothpitchZ(nomina1.dimenscion9.525mm)Y(nomina1.dimenukm8.000mm)rI>apcoida1.profi1.eAZA一BZBCurvi1.inearprofi1.eHZHYHRZRYRSZSYS5 Be1.tdesignationbe1.tisdesignatedbythecombinationofthenumberofteeth,toothpitch,basictthprofi1.eandnomina1.width.EAChnomina1.be1.!、jthhCorreRPondingtoFeSDeCtiVereferenceVaIUe8t>ecifiedasa融律ndard.be1.t.Wj1.dth.aha1.1.be.in.aapgance.丽th.Tabk.2,.and.6hc.BIQminaI.be1.twidths¢.Qrreending。.如k.)yid.thHha1.1.be.我gn.the.pq.r.tj照canegme.d：Examp1.e80Z19I-nomina1.be1.twidth'basictthprofi1.etoothpitchnumberofteethofbe1.tTab1.e2StandardwidthsNomina1.widthReferenceva1.ue(mm)1312.71615.91919.12222.0225.42828.03030.03232.03434.03838.06 Be1.tstructureThebe1.tsha1.1.beofend1.essconfigurationhavingsuchaCroe8-8CCtionaIstructureasshowninFigure1.Pitch1.inekickingCorewireBaCkrubberTipRootFabric/ToothrubberfacingFigure1CroBS-Boctiona1.structureofsynchronousbe1.t7 Be1.tprofi1.ea/dimensionBandto1.erances7.1 Be1.tprofi1.esanddimenaionsZAandZBTheprofi1.esandnomina1.dimensionsOfTyPeSZandZBsha1.1.beasgiveninTab1.e3.7.2 Be1.tprofi1.esanddimensionsZHandYHTheprofi1.esandnomina1.dimensionsOfTyPeSZHandYHsha1.1.beasgiveninTab1.e4.Unit：mmItemSymbo1.Nomina1.dimensionZHYHTbothpitchp、9.5258.0HeightA5.55.2Rootradiuhrt0.760.64TbothheightK3.503.04TbothradiusR2.452.11Vertica1.OfrSUtY1.050.93RootradiuhdistanceS,3.272.847.3 Be1.tprofi1.esanddimensionsZRandYRTheprofi1.esandnomina1.dimensionsofTypesZRandYRsha1.1.beasgiveninTab1.e5.Tab1.e5Profi1.esandnomina1.dimensionsofZRandYRDimennionscinmi1.1.imctrej*AngMmdegreesItemSymbo1.Nomina1.cimcn>tionZRYRTbothpitchPB9.5258.000Tbothang1.e*'23230Height.5.4.1.RootradiusG1.00.8Tbothheight¼3.22.8WdthattoothrootS5.55.3Tbothformparameterk1.2281.692NUa'An»ng1.cmadebythetoothcentre1.ineandttothecurveconstitutingthematingf1.ankapointofthecurveandthertradiu.ictangent1.inethocontact7.4 Be1.tprofi1.esanddimenionZSandYSTheprofi1.esandnomina1.dimensionsOfTyPeSZSandYSsha1.1.beasgiwninTab1.e6.Tab1.e6Profi1.eeandnomina1.dimensionsofZSandYSUnit：mmItemSymbo1.Nomina1.dimensionZSYSTbothpitchPI9.5258.0Height.5.75.2Rootradiusr0.950.80r11pradiusG0.950.80TbothheightA13.532.95WidthatUothrootS6.195.20TbothradiumR6.195.20Vertica1.offsetY0.6860.6867.5 To1.eranceeforbe1.tpitch1.engthandcentredistancevariationTheto1.erancesfor1.engthwhichdiffersdependingonthebe1.tpitch1.engthandthecentredistancevariationsha1.1.bemeasuredinaccordanceWithCp1.ywithTab1.e7.Thebe1.tpitch1.engthsha1.1.beasagreedbetweenthepartiesconcerned.8.1.4.2ZHandYHTheprofi1.esanddimensionsofgroovec1.earanceforZHandYHsha1.1.beasgiveninTab1.e11.Tab1.e11Profi1.esanddimensionsofgroovec1.earanceforZHandYHUnit：mmIyPeP1.DGroovec1.earanceRadiusatRo(XhrootRadiusattoothtipRadiusattoothf1.sinkBottomd<pthofgrooveaaMin.CaiMin.n.W.05G士0.05n0.0.05ZH0.6860.340.112.780.89一了3.61YH0.6860.300.112.220.693.453.16NOtCThedimensionisnotu&cdforthegroovec1.earanceofZHprofi1.e.10 Pu1.1.eydesignationThepu1.1.eydesignationsha1.1.bethecombinationoftheSymbO1.“P"indicatingapu1.1.ey,numberofteeth,grvepitch,basictoothpro1.eofbe1.tandthenomina1.widthofbe1.t.Thenomina1.widthofbe1.ttobeusedsha1.1.beasgiveninTab1.e2.Examp1.eP10ZA19nomina1.widthofbe1.ttobeusedbasictoothprofi1.eofbe1.ttoothpitchnumberofpu1.1.eyteethsymbo1.indicatingpu1.1.ey11 Profi1.esanddimensionsofpu1.1.eytoothc1.earance11.1 ZAandZBThegeneratingtoo1.rackdimensionsandto1.erancesforZandZBsha1.1.bemeasuredbythemethodspecifiedin13.2.andsatisfytherequirementsgiveninTab1.e14.一2。21(I)RvquiromvnUinJIS(II)Internationa1.Standardnumber(III)RvquiromenuinIntpma1.ionA1.Standard(IV)C1.aiAcationanddotaikoftechnica1.deviationtw1.wconJISandth<Internationa1.Standardbyc1.ause(V)JuiitiAcauonforthetechnica1.viatonandfuturemcMUfwNo.andtit1.eofc1.auseContentNo.ofc1.auseContentQacaationbydaimoDetai1.oftechnica1.<,viaton7Be1.tpro-kWdi11wruioruandIo1.erancen(cone1.udod)7.4Be1.tPrOfUe8anddimensionZSandYS6.4AImOMkdontca1.WiIhJISDe1.etionDe1.etetheitemofP1.D.P1.DUtobepciedasthvPUiIOydimon>sions.notanthebe1.tdmcru>io11A/XdditionAdd1.hc11quir11untforvertica1.offsetY.ThOdpfiniUonofP1.DdvH<ribedinISOwincorrect.InthisStandard,itisMpaciAedanY.7.5Tb1.eranceeforbe1.tpitch1.engthandcentre<ii>i1.ancvvariation6.6A1.moatidentica1.withJISAdditionAddtherecfuiremenuforcentreditanoevariation.AdditiontomootrrentSfituaiioni*inJapan.Underubmiuonof1.hcprpo>u1.toISO7.6/11>!(11rx'Piforbe1.twidthand1.atera1.runout661.mo*1.K1.PnUCR1.withJ1.S.AdditionAddthe>quirvmrntforU>1.erance«for1.atera1.runout.dt>ntom<¼1.cMmntsituatioruinJapan.HBehttmethod*8.1.1Meaeurinfifixture7.1A1.moatidentica1.WithJ1.SDe1.etionIk1.etetheitemOf勿inISO.Unneesaaryatheexp1.anationofmexuuringxturc>.Wi1.1.beProPUIiadtoISOR1.3MgM1.ringmethod7.3AdditionAddca1.cu1.ationformu1.ae.Additiontome<»tcurrentsituationsinJapan.Theproposa1.haabensubmittediISO.R1.4.1Z1.AundZB7.4A1.moeS1.identica1.WithJISA1.tprutionA1.terthoNymbob1.Symbo1.*ara1.ienedtoCOnfbrmto1.hiMvxpe<ufi*dinJISB1869PROTEeTKDBYCoPYR1.GHT(I)RvquiromvnUinJIS(II)Internationa1.Standardnumber(III)RvquiromenuinIntpma1.ionA1.Standard(IV)C1.aiAcationanddotaikoftechnica1.deviationtw1.wconJISandth<Internationa1.Standardbyc1.ause(V)JuiitiAcauonforthetechnica1.viatonandfuturemcMUfwNo.andtit1.eofc1.auseContentNo.ofc1.auseContentQacaationbyc1.auoDetai1.oftechnica1.<,viaton8Be1.tIeetmethod(conc1.uded)&1.4.2ZHandYH7.4AImOMkdontca1.WiIhJISiterationA1.tortheBymbda.SymbObarea1.teredtoconformtotho«vNPIMI1.nedmJTSB1869a1.4.3ZRundYR7.4AImO«1>dnUca1.Wi1.hJISAkonuionDvkto"numberofUuth*fromthtab1.e.UrUweVmryBvcaum*theexp1.anationia1.soinFure2.K1.4.4ZSandYS7.41.moik1.entica1.WithJ1.SiterationA1.tertheaymb1.Symbo1.sarea1.teredtonformtoIhDBoSPeCifkd:nJISB1869K3MeaMurvmvntofbe1.twidthAddiIiOnAddth。aspvdAcaUonofbe1.twidthmeasurement.AdditionUJmukthecontentUndcrf1.UndabIe.CorrStideringtheconvenienceoftheuser.Thepropo1.ha*b<wnMubmi1.tedtoISOI1.PrOfi1.Manddimcn-aionaofpu1.1.oytoothdoaranco1.1.1.ZAjmdZB1.1.1.A1.mo«iidvntictt1.mthJIS/X1.torAtion1.trIhOIiyTnbaU.Symbo1.sarAhorVdtoconformtothosespecifiedinJISB1869AdC1.iIiOnAddNotetoTab1.e14.AdditiontomakethecontentUnderatandabh,con-SiidcnngIhRconvenienceoftheup.W1.1.beproposedtoISO.11.2ZHandYH11.2A1.mostKUca1.WiihJ1.S/iteration1.trthesymbd.Symbo1.sarea1.teredtoconformtothosespecifiedinJISB1868.PRoTECTEDBYCopYR-GHT32B1864:2。21(I)RvquiromvnUinJIS(II)Internationa1.Standardnumber(III)RvquiromenuinIntpma1.ionA1.Standard(IV)C1.aiAcationanddotaikoftechnica1.deviationtw1.wconJISandth<Internationa1.Standardbyc1.ause(V)JuiitiAcauonforthetechnica1.viatonandfuturemcMUfwNo.andtit1.eofc1.auM>ContentNo.ofc1.auseContentQacaationbyc1.auoDetai1.oftechnica1.<,viaton11PrOn1.Nanddimenamon*ofpu1.1.eytoothc1.earance(conc1.uded)AdditionAddNotetoTab1.e15.AdditiontomakethecontentUnderMgnckb1。，consideringtheconvenienceoftheuer.Wi1.1.beproPOaRd1.oISO.H.3ZRandYR11.3Mmotidentica1.M1.hJ1.S.AkerationA1.tertheaymbd.Symbo1.earea1.teredtoconformtothosepecfkdnJISB189AddiiicjnAddthervquirerw.*nuoftoothang1.p2andNototoTab1.e16.AdditionSmakethecontentunderUndabh.consideringtheconvenienceoftheuier.Wi1.1.bepro-P(MCdtoISO.1.1.4ZSndYS1.1.4AImOedMien1.ica1.WithJ1.S.X1.tcrutionA1.1.orthe*ymbuh.SyTnbQ1.aiareOhCrVdtonfbrmIothou<HjM*cifiedinJISB1859/iterationA1.tertheto1.eranceforth。groovedmeruionfrom÷0.01to>0.1bspecifiedinTabk17.Theva1.u<>was0.1inD1.SforrvvisededitionofISO.butwachangedto0.01byrusukeinthepub-IiHhcdverRonWi1.1.contact190secretariataboutthecorrection-PROTECTKDBYCoPYRIGHT(I)RvquiromvnUinJIS(II)Internationa1.Standardnumber(III)RvquiromenuinIntpma1.ionA1.Standard(IV)C1.aiAcationanddotaikoftechnica1.deviationtw1.wconJISandth<Internationa1.Standardbyc1.ause(V)JuiitiAcauonforthetechnica1.viatonandfuturemcMUfwNo.andtit1.eofc1.auM>ContentNo.ofc1.auseContentQacaationbyc1.auoDetai1.oftechnica1.<,viaton12Pu1.kydmriiruand1.okr,ance«12.1Deviationsofpi1.chbetweenudjacvnttwthandtota1.doviation12.1AImOMkdontca1.withJISAdditionAddtheexp1.anationofref-rncovduoufoutmdudrameter.Additiontomakethecontentund11itA11dbh.consideringtheconvenienceoftheuer.Wi1.1.beproPOeedtoISO.12.2OutsidediameterIokranCZ12.2Mmotidentica1.M1.hJ1.S.AddHiOnAddthemeasuringmethod.AdditiontomakethecontentunderMUndb!o.con-idpringtheconvnionceoftheuer.Wi1.1.bepro*powedtoISO./iterationA1.terthereferenceva1.uerforoutside*diameterintherangeof*49orovertoand<xc1.10(from*0.01to*0.10aspecifiedinTab1.e19.Theva1.uewaa0.1inD1.SforrevisedOdiUOnofISO.butwaschangedu>0.01bynuxukpinth。pub1.ishedverton.Wi1.1.contactISOecretariatabouttherr<*<tion.12.3Minimumpu1.k)ywidth123AIm»1ienuca1.withJ1.SAddiUcmAddtheneuringmethod.AdditiontomakethecontentundeniUndub1.t>,consideringtheconvenienceoftheuser.Wi1.1.beproposedtoISO.12.4F1.angedimen*>donx124AImoe1.identica1.withJ1.S