齿轮系统动力学的理论体系

*王建军　李润方根据对国内外齿轮系统动力学研究成果的系统总结,阐述齿轮系统动力学理论的基本结构体系。说明齿轮动力学的发展过程;围绕动态激励、模型类型、建模和求解方法以及齿轮系统的固有特性、动态响应和动力稳定性等介绍齿轮系统动力学所涉及的基本问题,讨论该理论的主要工程应用的基础上,提出应进一步研究的方向与重点。TG132.411　齿轮系统动力学基本理论体系[1],,,,,,,,,20,,,(1),1()()()*(59575006),:19970103:199811202　齿轮系统动力学的发展2.1(1)50,,,50,,,,(2),,,,,,55,,,,,,,2.2,,,,2.3,3　齿轮系统动力学的基本问题3.11,,,(1)齿轮系统动力学正问题　,,(2)齿轮系统动力学反问题　,(),,3.2,,,,,,,,(),,,,,,,,,,,,,,,,3.3,,,,3.3.1,561998912;,,,,,,3.3.2(1)动载系数模型　,(2)齿轮副扭转振动模型　,,,,,(3)传动系统模型　,,(),,,,(4)齿轮系统模型　,,,4,,3,,;4,3.3.3,,,,,,,,,,,,3.43.4.1,:;;,3.4.2,,,,,,;,,,,,,,3.4.3,,,3.4.4,,,,,,4　齿轮系统动力学理论的应用4.157,,,,,,,4.2,,,,4.3,,,,,,,5　齿轮系统动力学今后的研究重点(1)参数激励—非线性系统理论的研究　,,,(2)齿轮系统性能的研究　,,,,,(3)载荷识别的研究　,,,(4)故障诊断和状态监测理论和方法的研究　(5)动态优化设计理论与方法的研究　,,1,..:,1997.,1956(100083)2,2,3,40400044中国机械工程学会工业造型设计分会常务理事扩大会议199811252722,,,,(1)12,(2)()()()()()()()()()()()()()()();();;;(3)199921;(CAID);;199911;(4),,(5),,()581998912system,themodelofkinematicerror,themodelofgeometricalerrorparameteridentificationandmeasuringtechniqueweredeveloped.Takingmeasurementsoferrorsofdisplacementandlin-earizationof3linesalong3coortinatesrespec-tively,21geometricalerrorparametersofNCmachinetoolwereexactlyidentified.TheerrorsoftwarecompensationexperimentwasdoneinMAKINOverticalmachiningcenter,andthepa-rameterswereverifiedinCMM.Experimentalresultsshowthatthemodelingmethodisasgen-eralized,thecompensationispowerful,efficientanduser-friendlyandtheerrorcompensationre-sultsareapparent.Keywords:NCmachinetooltheoryofmultibodysystemsyntheticalidentificationoferrorparameterserrorcompensationtech-nologyGenerationofLayerFractalScanningPathandControlSystemforMaterialIncreaseManufac-turingBinHongzan(HuazhongUniversityofScience&Technology,Wuhan,China)ZhangXiaoboLiuZhengyuGaoHongqingp52-54Abstract:Inthepaper,anewscanningpath,fractalscanningpathisproposedformate-rialincreasemanufacturing(MIM).Comparingthefractalpathwithtraditionalones,someim-portantconclusionsaredrown.Basedonthese,a2-dimensionscanningtablewithoutbacklashisdesigned,andtheCNCsystemisalsodevel-oped.Keywords:MIMfractalscanningpath2DtableCNCSystemTheTheoreticalSystemoftheGearVibrationTheoryWangJianjun(BeijingUniversityofAeronauticsandAstronautics,Beijing,China)LiRunfangp55-58Abstract:Basedontheresearchesofthevi-brationproblemforthegeartransmission,thispaperpresentsanwholedescriptionaboutthetheoreticalsystemofthegearingdynamics,Firstly,thedevelopmentsofgearingdynamicsareintroduced.Thenthebasicproblemsinvolvedinthistheoryareextensivelyanddeeplydis-cussed,includingthedynamicalmeshexcitation,thetypesofthemodel,themethodestablishingandsolvingthemodel,thenaturalcharacteris-tics,thedynamicalresponseandstabilityforthegeartransmissionsystem.Afterillustratingtheapplicationofthistheoryinmechanicalengineer-ing,thecriticalissuesinthefutureresearchesarealsosuggested.Keywords:gearsystemtheoreticalsys-temforwardprobleminverseproblemInvestigationsontheTransverseMicro-DrillDeflectionoftheDrillPointattheEntranceinLowFrequencyVibrationDrillingWangLiping(HuazhongUniversityofScience&Tech-nology,Wuhan,China)YangZhaojunWangLijiangYangShuzip59-62Abstract:Themechanismofreducingthetransversemicro-drilldeflectionofthedrillpointattheentranceinlowfrequencyvibrationdrillingisanalyzedusingthevibrationtheory.Thedynamiccharacteristicsoftransversemicro-drillvibrationsattheentranceareexpounded.Basedontheabovetheoreticalanalyses,experi-mentalinvestigationsonthedeflationofthedrillpointarepresented.Theoreticalanalysesandexperimentalinvestigationsshowthatthecut-tingmechanicsduringdrillentryarechangedandtheconventionalcontinuouscuttingprocessistransformedintoapulsedintermittentcuttingprocessbyusingvibationdrilling.Asaresult,thedeflectionofthedrillpointattheentranceisreduced.Keywords:Lowfrequency,vibrationdrilling,micro-drill,thetransversedeflectionofthedrillpointattheentranceFiniteElementAnalysisofVibrationIsolationintheFoundationSoilbyBarriersHuangJuhua(NanchangUniversity,Nanchang,China)HeChenhongYangGuotaip63-65Abstract:ThecalculationofvibrationinthefoundationsoilhasbeencarriedoutbyusingFEMafteradoptingbarriers(blankrutandfillrut)intheworkshop.Apracticalmethodofcom-putersimulationhasbeenpresentedinteadofphysicalsimulation.Thedynamicstress,dis-placementandvibrationfrequencydistributioninspaceandvariationintime-domainareacquiredbyacontrastanalysisofthevibrationvariationinthefoundationsoilbothbeforeandafteradoptingdifferentbarriers.Andaguideconclu-sionthatcanbeusedtoengineeringdesignwithpracticalsignificancehasbeenobtained.Keywords:foundationsoilvibrationiso-lationbarrierFEMCHINAMECHANICALENGINEERINGVol.9,No.12,1998