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1、Auslegung&OptimierungvonmehrstufigenGetriebenDesignandoptimizationofplanetarygearsunderconsiderationofallrelevantinfluencesProf.Dr.-Ing.BertholdSchlecht,TUDresdenDr.-Ing.TobiasSchulze,DriveConceptsGmbHDresdenDipl.-Ing.ChristianHartmann-Gerlach,DriveConceptsGmbHDresdenAbstractThecalculat
2、ionofgearsespeciallyplanetarygearscanjustbecarriedoutbytheconsiderationofinfluencesofthewholedrivetrainandtheanalysisofallrelevantmachineelements.Inthiscasethegearismorethanthesumofitsmachineelements.Relevantinteractionsneedtobeconsideredunderrealconditions.Thestandardizedcalculationsar
3、eforthesafedimensioningofthemachineelementswiththeconsiderationofrealisticloadassumptionsdecisive.Buttheyneedtobecompletedbyextendedanalysisofloaddistribution,flankpressure,rootstress,transmissionerrorandcontacttemperature,/1,2,4/.GeardesignprocessTheneedoflightweightconstructionandtaki
4、ngresourcesintoconsiderationresultsintogearboxdesignswithhighloadcapacityandpowerdensity.Atthesametimewehaveveryhighexpectationsforreliabilityofthegear.Additionalthereisadiversityofplanetarygearsfordifferentapplicationcases.Gearswithoneormorestages,withoneormoregearboxinputsandoutputsar
5、erealized.Furthermoredifferentkindoftoothingsexists:spurandhelicalgearsandalsodoublehelicalgearsarepossible.Formountingofshaftsandgearingsrollerbearingsandslidingbearingareused,Fig.1.Alltheseconditionresultinspecialandadditionaldesigncriteriawithconsiderationofmaximumofload,inadditiondy
6、namicloadsunderdifferentloadsituations.Experiencesfromdrivedrainswithstifffoundationsandconstantexternalloadsarenotapplicabledirectly,becauseoftheuniqueboundaryconditions,dynamicexcitationofthestructure,changinginfluencesbyexternalconditions,/12/.A.Lange&SöhneRohloffSPEEDHUB500/14Ferrar
7、iF430ChronometerInternalgearhubFormula1gearboxFig.1:Applicationofplanetarygears/13/Dr.-Ing.TobiasSchulze–DriveConceptsGmbH,DresdenAuslegung&OptimierungvonmehrstufigenGetriebenTheproductdesignprocessofagearbeginsclassicallywiththeloadcalculation,followedbygearandcomponentlayoutt
