JIS B 1866-2021.docx

JISJAPANESEINDUSTRIA1.STANDARDTrans1.atedandPub1.ishedbyJapaneseStandardsAssiat>nJISB1866-(JBMASA)Be1.tdrives-V-be1.tsandcorrespondingV-pu1.1.eygroovesSMpesanddimensionsICS21.220.10；43.060.10Refeenconumber:JISB1866:2021(E)DateofEstab1.ishment2021-1.1.22DateofPub1.icNoticeinOfficia1.Gazette.20211.1.22InvestigatedbyJaPaneSeIndustria1.StandardsCommitteeStandardsBoardforISOareaJ1.SB1866:2O2bFirstEng1.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.ectronsormecahanka1.Indud1.ngphot<opyingandmk*rofi1.m,withoutPCrmiX1.CtonmwritingfromthrpubUchc.PrintedinpanHT/HNTab1.e1(conc1.uded)Symbo1.DcGnitionUnitdaoutridediameterofpu1.1.eymm4effectivediam<*termm,K11>ovcdepthmmeadjacentg11>vepitchmmEcentredistancemmFmeasuringforceN1.effectivebe1.tIengthmmmaximumcentredistancemmErtnminimumcrnt11distancemmGstandardva1.ueOftheeffectivecircumferenceofapu1.1.eyfor1.engthmeasurementmm&Ecentredistancevariationmmddiiimeterofbai1.orrod*forcheckingpu1.1.<yg11>0V0BmmQride-outmmSradiustobe1.tOUurrpcnphcrymmb,E1.D(effective1.inedifferentiaDmm4pitchC1.ianWtermmVbo1.tspeedmNrotationa1.speedof(Irivingpu1.1.c>r/minttimeforonobo1.trotation8Xcorrc(tivctermmmIodistancebetweencontactpointsmm6Be1.ts5.1 TypeBe1.ttypesareidentifiedbythecross-sectiona1.profi1.ecomp1.yingwithacertainpu1.1.eygrooveprofi1.eandsha1.1.becassiedintothefo1.1.owingninetypes.Thosetypesymbo1.swhichhaveasymbo1.Xattheendindicatethattheyarecoggedbe1.ts.AV1.O.V13.V17.V10.V13.V15.V17.V20,V235.2 Dimensions5.2.1 Cros-8ctiona1.profi1.eThecross-sectiona1.profi1.eofbe1.tsandtopwidth,andstandardva1.uesofbe1.twidthandbe1.tpitchsha1.1.beasgiveninTab1.e2.Tab1.e2Thecross-eectiona1.profi1.eofbe1.tandtopwidth,andstandardva1.uesofbe1.twidthandbe1.tpitchUnit-mma)Sing1.ebe1.tb)Joinedbe1.tItemTyPeAViOAV13AV17V1.OV13V15V1.7V20V23Genera1.designationFM.HMABBCCCD()404040404040404040W101317!0.13.017.018.522.525.0bP"13.016.020.022.0一*,一12.014.017.519.5一Equation>=,h×(-1.)*iwhen?,n:numberofbe1.ujoined.incr*hedetai1.d1.icatedbyd<otc,Thtint<theedgeshapeofthebeIshed1.ines,GVonasexanbe1.tpitchofjoinedbo1.tPrcBtcdparties.tupperfaceisBhOwninA(en1.argedview).Theshapes1.eH.maybeued.bandkmaybechangeduponagreementbetweenthe5.2.2 1.engthThebe1.t1.ength,representedbyefifectivebe1.t1.ength,sha1.1.beca1.cu1.atedusingthecentredistancemeasuredbythemethodin7.1andthestandardva1.ueoftheeffectivecircumference,andtheto1.erancesha1.1.beinaccordancewithTab1.e3.Theeffectivebe1.t1.engthvariationssha1.1.bespecifiedaccordingtothecentredistancevariations,andtheto1.erancesha1.1.beinaccordanceWithTab1.e3.1.engthmeasurement(mm)(ascgiveninTab1.e7)&E：centredistancevariation(mm)7.1.3RidoutmeasurementTheride-outsha1.1.beca1.cu1.atedusingthefo1.1.owingequation,aftermeasuringthedimension.SshowninFigure3,withthemeasurementforcebeingapp1.iedundertheconditionsSPeCifiedin712roS-dJ2where,roride*out(mm)S:raciiusitobe1.touUrperiphery(mm)4：ef<HrtivediameterGnm)7.2MeasurementofE1.D(effective1.inedi£ferentiaD7.2.1 MeaaxiringequipmentThemeasuringequipmentin7.1.1sha1.1.beused,bothpu1.1.eyssha1.1.berotatedandthepu1.1.eywhichismovab1.eShaiIbestructuredrothatitsshaftcanbefixed.7.2.2 MeasuringmethodThebe1.tsha1.1.beinsta1.1.edtotheequipmentin7.2.1undertheconditionsgiveninTab1.e7,andthebe1.tsha1.1.berotatedforabout5minsothatitfitsWe1.Itothepu1.1.eys.Then,themovab1.epu1.1.eysha1.1.befixedHOthatthecentredistancemaynotchange.Whi1.erotatingthebe1.tunderthiscondition,rotationa1.speedofthedrivingpu1.1.ey,be1.tspeedinoneofthestraightspansand,ifthebe1.tspeedcannotbemeasured,thetimerequiredforthebe1.ttomakeonerotationandthecentredistancesha1.1.bemeasured,andb.sha1.1.beca1.cu1.atedusingthefo1.1.owingequations.A1.thoughtherotationa1.speedofthepu1.1.eysisnotspecified,aspeedofapproximate1.y1OOOr/minisrecommendedbecausestab1.emeasurementsarepossib1.eatsuchaspeed.b«=(dp-4V2d,=K-2xwhere,K：distancebetweentwoexterna1.tangentp1.anetoover*ba1.Uoroverrod<(mm)x:correctiveterm(mm)(axgiveninTab1.e8)2x=rf1.÷1.sin(2)-Wan(H2)where,d:diamvtcrofba1.korrodforcheckingpu1.1.eygroove11(mm)W:pu1.1.eyeffectivewidth(mm)(a»giveninTnb1.e5)a:pu1.kygrooveang1.e()(axgiveninTab1.e5)d=UCOS(M2)where,Io:dtsnccb<w<encontactpoint*(mm)GimgiveninTab1.e8)7.4 Measurementofgroovenmout7.4.1 Measurementofaxia1.runoutInthemeasurementoftheaxia1.runout,t