A simple approach for determining the preload of a wire race ball bearing-中国Betway体育网页登陆

摘要 Wireraceballbearingshavebeenwidelyusedinhigh-techweapons.Thepreloadofawireraceballbearingiscrucialinengineeringapplications.Inthisstudy,amoreeffectiveapproachisproposedforexactdeterminationofthewireraceballbearingpreload.Anewmathematicalmodelofthepreloadandthestartingtorqueofthewireraceballbearingwasbuiltusingthetheoremofthe3Drollingfrictionresistanceandthenon-conformingcontacttheory.Employingawireraceballbearingwitha1000mmdiameterusedinaspecifictypeofaircraftsimulatingrotarytable,thenumericalanalysisinMATLAB～showedthatthepreloadmagnitudecanbecontrolledintherangeof130–140μm.Asverification,theexperimentalresultswereinagreementwiththetheoreticalresults,andconfirmthefeasibilityofthismethod.Thisnewapproachismoreexactinthepreloadrangeof10–158μmthanthatcomputedbythenumericalmethodreportedinourpreviouswork(Shanetal.,2007b).Thisimpliesthatthepresentmethodcontributestomoreeffectivelypreventingrollingnoise,overturningmomentsandwearofthewireraceballbearing.Thecurrentresearchprovidescriticaltechnicalsupportfortheengineeringapplicationofwireraceballbearingswithlargediameters.

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A simple approach for determining the preload of a wire race ball bearing

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