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500 个结果
  • 简介:Ballbearingcomponentsof100Cr6(AISI52109),choiceofbainitictransformationormartensitichardeningprocesses?;Bearingsforextremespecialenvironment(5)-linearmotionbearingsandunitproducts;Chemicalmechanicalpolishingprocessforsiliconnitrideball;Conditionmonitoringmethodsforvaneaxialfans……

  • 标签: 球轴承 化学成分 马氏体钢 硬度处理 线性运动
  • 简介:Abearingapplicationusingmagnetorheologicalfluids;Aunifiedandsimplifiedtreatmentofthenon-linearequilibriumproblemofdouble-rowrollingbearing-Part2:applicationtotaperrollingbearingssupportingaflexibleshaft;Aunifiedandsimplifiedtreatmentofthenon-linearequilibriumproblemofdouble-rowrollingbearings-Part1:rollingbearingmodel;Baseenginedesignimprovesfuelefficiency

  • 标签: 滚子轴承 非线性平衡 形状设计 弹性材料
  • 简介:3-and4-contactpointspindlebearings-anewapproachforhighspeedspindlesystems;Acombinedexperimental-numericalapproachformotorcyclecranknoise:Modelling;Anewmethoddevelopedfortheanalysisofballbearingfatiguelifeconsideringvariablecontactangles;AReliabilityModelforInductionMotorBallBearingDegradation;Anaircrashduetofatiguefailureofaballbearing……

  • 标签: 球轴承 数字仿真 摩托车 转动曲柄 噪音模型
  • 简介:Dynamicmodelofadeep-grooveballbearingincludinglocalizedanddistributeddefects.Part1:theory;DynamicsofmagneticfluidsupportgrindingofSi{sub}3N{sub}4ceramicballsforultraprecisionbearingsanditsimportanceinsphericalsurfacegeneration;EarlyDetectionofAbnormalitiesinBallBearingsUsinganUltrasonicTechnique;EffectofLubricatingOilsonCageFailureofBallBearings

  • 标签: 球轴承 物理模型 应力分布 磁流体力学
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  • 简介:从远古起,人类就要常常面对自然力,有时这种力量是巨大的,不可抗拒的。在与自然力抗争的过程中,人类很快意识到,对于搬运重物,他们的力量,或者他们能够驾驭的经驯化的家畜的力量,都是远远不够的。但是人类是聪明的,他们克服了这种困难——物体之间的摩擦——在物体间放置一些滚动体以避开两相接触的物体间有较大摩擦力的滑动而引入摩擦力较小的滚动运动。雪橇在无雪的地方就很难滑行(或者橇形运输工具行出沙地或湿地时)。古人是会遇到这种情况的,他们先是尝试在雪橇下面放置一些木棍以帮助雪橇前行,最后这些木棍就成为专用于帮助搬运的工具了。这就是滚动轴承的始祖。

  • 标签: 滚动轴承 发展简史 运输工具 摩擦力 滚动运动 自然力
  • 简介:Acombinedrepetitivecontrolforprecisionrotationofmagneticbearing;AComparativeApproachonPDandFuzzyControlofAMBUsingRCP;Afuzzymodelingofactivemagneticbearingsystemandslidingmodecontrolwithrobusthyperplaneusingμsynthesistheory;Ahigh-temperaturesuperconductorenergy-momentumcontrolsystemforsmallsatellites;Alevitatedinotorwithsuperconductingmagneticbearingsassistedbyself-sensingAMBs……

  • 标签: 电磁轴承 联合重复控制 不平衡力 磁力电机
  • 简介:AWeb-basedagilesystemforrollingbearingdesign;AnintelligentapproachofknowledgesearchingwithinInternet-baseddistributiveknowledgeintegratedenvironment;Assessmentofthemodulusofelsaticityusingthependulumtechnique;Comparativeanalysisoffatiguefailuresinrollingcontactslubricatedwithagreaseandabaseoil;Decarburization-controlledinternaloxidationofrollingbearingsteelSAE52100atthedissociationpressureofwustite……

  • 标签: 滚动轴承 智能设计 知识搜索 模型弹性评估
  • 简介:Calibrationofaccelerometerswithimpactexcitationandreferencemethod;CalibrationofSub-lO-nmFlyingHeightUsingtheBumpResponse;COMPRESSORTESTRIGFORMEMS-BASEDTURBOMACHINERY;Designandcontrolofasphericalair-bearingsystemformulti-d.o.f,ball-joint-likeactuators;Designconsiderationforsingle-pole-typewriteheads;Designofa3DCMMwithelasticallyguidedz-axisandx,yaxiswithlessthan2mmABBEoffset

  • 标签: 空气轴承 加速性质 冲击激励法 摩擦系数
  • 简介:APWMAmplifierforSelf-SensingActiveMagneticBearingswithLow-SensitivitytoCableLength;Atransfer-functionapproachtotheanalysisanddesignofzero-powercontrollersformagneticsuspensionsystems;Activemagneticbearingsforaflywheelpeakpowerbufferforelectricvehicles;AnACself-bearingrotatingmachinewithasinglesetofwindings;ANADAPTIVECONTROLSCHEMEFORAFLEXIBLEROTORSUSPENDEDBYMAGNETICBEARINGS……

  • 标签: 电磁轴承 PWM放大器 自感应活性 转换函数