欢迎来到天天文库
浏览记录
ID:28942219
大小:9.38 MB
页数:178页
时间:2018-12-15
《高速压力机的结构优化与振动控制研究毕业论》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、H扬州大学硕士学位论文数,通过与模态分析的结果进行比较,进一步验证压力机有限元模型的正确性。关键词:高速压力机;动平衡;动态仿真;有限元;振动控制ABSTRACTHigh.speedpressesworkwithoutartificialfeeding,whilerawmaterialsorsemi.automaticallysenttodieforprocessing,withhighautomatic,high’precisionfeatures,andhavebeenmorewidelyused.Comparedwiththegeneralpress
2、,high.speedpressesinthedesign,manufactureandhavehigherexpectations,itsnotonlyagoodstaticproperties(iestrength,stiffness),dynamicperformanceaswellasdeviceshavebecomeallimportantcomponentofitsoverallperformance,SOtraditionalstaticdesignandexperiencedesigncallnotfullymeettheengmeenng
3、requirementsofHighSpeedPress.Unreasonableifthestructuraldesign,therewillbesignificantnoiseandvibration,seriouslyaffectingtheefficiencyofthepress,machiningaccuracyanddielife.Cranktheimplementingagencyforthepress,whenthehighspeedpresses,thecrankmovementtocreateanimbalanceintheinerti
4、aforce,theroleofinertiainthemachinebodythroughthecrank,themachineandthesupportinggroundvibrationmachine·Offthesubjectinthehigh·speedprecisionpressthebasisofresearchandanalysis,focusingontIleinertiaforcecausedbyvibration,thispaperaimsforhigh-speedpressestocontroltheinertiaforce,ino
5、rdertoachieveeffectivecontrolofthevibrationofhigh.speedpresses.Onthisbasis,thetraditionaldesignmadeofhigh.speedpressestoimprovehigh·speedpressesforvariousmodes,optimizationanddynamicresponseanalysisandvibrationtestingontheproductionprototypeforthepresstofurtheroptimizethedesignand
6、dampingvibrationisolationdesignprovidesatheoreticalbasisandpracticalreferencemodel.Maincontentsare:Establishingamechanicalmodelofslider-crankmechanism,withtheanalyticalmethodcrankkinematicsanddynamicsanalysiscarriedouttofindthebodyofitsroleinthemachineequivalentinertialforcevariat
7、ion.First。underthelawofinertiaforceonthehigh-speedpresses,designedcrankpowerbalancedevice;Secondly,theuseof3DCADsoftwareSolidWorksandmulti·bodydynamicsanalysissoftwareCOSMOS/Motiontoestablishahigh‘speedpressesandmorerigidenforcementagenciesdynamicmodel,andthebodiesofthekinematicsa
8、nddynamicssimulation.UsingSolidWo
此文档下载收益归作者所有