四点接触球轴承结构参数对其接触特性的影响研究

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中图分类号：TH133.33 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202507056

Abstract：Four-pontcontactballbearings （FCBB），owingtoteiriquedouble-arched'tructure，frequentlyeibitulti-ontotact statesdurngoperationwhichignificantlyffectteirloadcapacityacewaystructuralparametersreriticalfactorsifueingtse contactstates.Inthisstudy，adynamicsupportmodelFCBBscosideringnoliearinteractionsamongcompoentsisdevelopedto analyzetheinfuenceraceaystructuralparametersontecontactcharacteisticsbaringsunderdierentoadingonditios.Thsults indicatethatthoaeopailstdagpefaejstiteraoatactleie theinfluencecingdimessisinlyfltediefoecharacteristicsetweenteballadaceaysdurigmuli-otcotact. Appropriatemulti-ointcontactcanoptimizeloaddistributionandshareextealloadsefectivelyAditionall，designingtheiering archingangletetlyrgertantattoutergiseneforaningthlodcagcapacityadextendgtefatiguelife FPCBB.This studycanprovideatheoreticalbasis for thestructuraloptimizationand performanceimprovementFPCBB.

keywords：four-pointcontactballbearing;structural parameters;dynamics;multi-pointcontact; fatigue life

四点接触球轴承因其高转速、高承载能力、高刚度、结构紧凑以及双向承载等优势，被广泛应用于航空航天、船舶等重要领域的动力传递装置中。（剩余15171字）