简介:摘要:高速电机由于其高速性、高功率性、低重量性等优势,在航空航天、武器装备、深海探测等领域的应用逐渐广泛,但高速电机的高速属性对转子的振动特性具有较高要求,若激励频率与转子本身固有频率接近,电机会产生共振现象,严重时影响装置的正常运行。本文使用有限元软件对不同轴承刚度下的转子系统进行固有频率、临界转速、分析,获得了通过改变转子轴承刚度避开高转速共振带的结论。
简介:Ballbearingcomponentsof100Cr6(AISI52109),choiceofbainitictransformationormartensitichardeningprocesses?;Bearingsforextremespecialenvironment(5)-linearmotionbearingsandunitproducts;Chemicalmechanicalpolishingprocessforsiliconnitrideball;Conditionmonitoringmethodsforvaneaxialfans……
简介:Abearingapplicationusingmagnetorheologicalfluids;Aunifiedandsimplifiedtreatmentofthenon-linearequilibriumproblemofdouble-rowrollingbearing-Part2:applicationtotaperrollingbearingssupportingaflexibleshaft;Aunifiedandsimplifiedtreatmentofthenon-linearequilibriumproblemofdouble-rowrollingbearings-Part1:rollingbearingmodel;Baseenginedesignimprovesfuelefficiency
简介:3-and4-contactpointspindlebearings-anewapproachforhighspeedspindlesystems;Acombinedexperimental-numericalapproachformotorcyclecranknoise:Modelling;Anewmethoddevelopedfortheanalysisofballbearingfatiguelifeconsideringvariablecontactangles;AReliabilityModelforInductionMotorBallBearingDegradation;Anaircrashduetofatiguefailureofaballbearing……
简介:Dynamicmodelofadeep-grooveballbearingincludinglocalizedanddistributeddefects.Part1:theory;DynamicsofmagneticfluidsupportgrindingofSi{sub}3N{sub}4ceramicballsforultraprecisionbearingsanditsimportanceinsphericalsurfacegeneration;EarlyDetectionofAbnormalitiesinBallBearingsUsinganUltrasonicTechnique;EffectofLubricatingOilsonCageFailureofBallBearings