J267-201411

__________________________________________________________________________________________________________________________________________SAETechnicalStandardsBoardRulesprovidethat:“ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineeringsciences.Theuseofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmayberevised,reaffirmed,stabilized,orcancelled.SAEinvitesyourwrittencommentsandsuggestions.Copyright©2014SAEInternationalAllrightsreserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystemortransmitted,inanyformorbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutthepriorwrittenpermissionofSAE.TOPLACEADOCUMENTORDER:Tel:[phone](insideUSAandCanada)Tel:[phone](outsideUSA)Fax:[phone]Email:[e-mail]:://(R)Wheels/Rims-TruckandBus-PerformanceRequirementsandTestProceduresforRadialandCorneringFatigueRATIONALESAEJ267practitionershavetypicallyperformedmultiplecorneringandradialfatiguetestswhenassessingawheeldesign’sconformancewiththisrecommendedpractice.Runningmultipletestsenhancestheconfidenceandreliabilityoftheresults.Inthisrevision,thiscommonpracticehasbeenformalizedbyintroducingasetofsamplesizesandcorrespondingcyclerequirementsbasedonWeibullstatistics.PreviouspublicationsofSAEJ267containedterminologyto“provideminimumperformancerequirements”.Thisterminologywasnotconsistentlyinterpretedbypractitioners.Toclarifythemeaning,adefinitionoftheterm“minimumperformancerequirement”hasbeenadded.Anadditionalcauseforterminationwasaddedforaluminumwheels.1.SCOPEThisSAERecommendedPracticeprovidesminimumperformancerequirementsanduniformlaboratoryproceduresforfatiguetestingofwheelsanddemountablerimsintendedfornormalhighwayuseontrucks,buses,truck-trailers,andmultipurposevehicles.Usersmayestablishdesigncriteriaexceedingtheminimumperformancerequirementforaddedconfidenceinadesign.ThecyclerequirementsnotedinTables1and2arebasedonWeibullstatisticsusing2parameter,medianranks,50%confidenceleveland90%reliability,andbetaequalto2,typicallynotedasB10C50.Forotherwheelsintendedfornormalhighwayuseandtemporaryuseonpassengercars,lighttrucks,andmultipurposevehicles,seeSAEJ328.Forwheelsusedontrailersdrawnbypassengercars,lighttrucks,ormultipurposevehicles,seeSAEJ1204.Forbolttogethermilitarywheels,seeSAEJ1992.Thisdocumentdoesnotcoverotherspecialapplicationwheelsandrims.DownloadedfromSAEInternationalbyKurtPolins,Friday,March06,2015SAEINTERNATIONALJ267RevisedNOV2014Page2of122.REFERENCES2.1ApplicableDocumentsThefollowingpublicationsformapartofthisspecificationtotheextentspecifiedherein.Unlessotherwiseindicated,thelatestissueofSAEpublicationsshallapply.2.1.1SAEPublicationsAvailablefromSAEInternational,400CommonwealthDrive,Warrendale,PA15096-0001,Tel:[phone](insideUSAandCanada)or724-776-4970(outsideUSA),:330-666-8121,:212-642-4900,(define)thecrosssectionalcontour(s)ofthewheel.Wallsofholesinthewheelarenotconsideredtobepartoftheexteriorprofile.(RefertoFigures2A,2B&2C.