考虑球缺陷的全陶瓷角接触球轴承打滑及非线性振动特性研究

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中图分类号:TH133.33 文献标志码:A DOI:10.16385/j.cnki.issn.1004-4523.202508068

Abstract:Toivestigatethectsofballdefectsontelippngandnonlinearvibrationoffullceramicangularcontactballaring,a dynamicmodeliopoatigballefetsisproosdTeie-vingdspacetecitatiiducedyallefectistdudde corespondingimpactforeontheracewayismodeledBasedonHertiancontactcharacteristics,abal-racewaycontactforeodelis developedThetactiostenthbllacdballaareosideredtostrearingsdingodeliulatioeaie theefectsofdialload,rotatioalsped,anddefectsizeonslipngandoliearvibationudervariousoperatingonditosesults showthathigherirgacleatiosablstgslgtioileieasidaladucsieloitybllsad theieraceway.Largerdefectsintensifyteimpactprocess,inreasecontactforeaplitudehancfluctuationdsoderlargeth cageslippingratio,andcomplicatecagemotion,eadingtoreatervbatioamplitudeesefectsaredetrientaltothbearngsg term performance. The maximum eror in rotational-frequency amplitude between the simulation and experiment is 6.5% ,confirming the model'sreliability.This study provides atheoretical basis for monitoring the operating status offullceramic bearings.

Keywords:full ceramic bearing;ball defects;slippingcharacteristics;nonlinear vibratior

全陶瓷轴承具有变形小、刚度高和耐腐蚀性好等优点,能够更好地满足数控机床、航空发动机等高精密机械在超高速、宽温域等极端工况下的运行需求[1]。(剩余23011字)

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