欢迎来到天天文库
浏览记录
ID:31972703
大小:22.57 MB
页数:71页
时间:2019-01-29
《机床部件减重优化设计方法》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、大连理工大学硕士学位论文OptimizationDesignMethodsToReduceWeightForMovingPartsOfMachineTools‘Abstract.MachinetoolindustrylSthebasictorevitalizenationalindustry.Becausethemachinetoolsarecomposedofseveralparts,researchinghowtoimprovetheperformanceoftheparts,especiallythemovingparts,couldresulttoenhance
2、theperformanceofthemachinetools.Currently,thecoreapproachtomakethepartsbetterisweight—optimization.Weight·optimizationthatisarrangingthematerialundertheguideofthesistomakethestructurereasonableandlightiscarriedout,谢t11ensuringtheprocessaccuracyofthemachinetools,tosavetheresourcesandenerg
3、yandraisetheprocessefficiency,whicharethetrendsofthetools.Themainthepaperfollows:(1)111epaperelaboratestheshapeandtheworkingprincipleoftheworktableinthecaseofoveralldesignofstructures&materials.TheCADmodeloftheworktableissimplifiedandtransformedtoaCAEmodel.WiththeCAEmodel,thepapergivesou
4、tthestaticanalysisresult,modalanalysisresultandresonanceanalysisresultoftheworktable.Accordingtotheresults,theworktable’SdisplacementemergesmainlyinZdirectionofthetoolunderthestaticforce,thefirstandsecondmodaloftheworktablewouldbeharmfultotheaccuracyofthet001.(2)OverallDesignStructures&M
5、aterialsisproposed.Withthisdesignmethod,referringthestructureofthemetal—foamsandwichpanelatthesanletime,theweightoptimizeddesigncomesout.Fromdesignprinciples,thewholedesign,reinforceddesign,structureforprocessdesignandprocessdesign,thepapershowstheprocedureofhowtorealizetheweightoptimiza
6、tionoftheworktable.111eredesignedworktableisanalyzedbystaticanalysis,modalanalysis,resonanceanalysis,whicharecomparedwiththeresultsoftheoriginal-design.necontrastshowsthattheredesignedworktable’Sperformanceunderstaticforceisnearlynotchanged,thefirstmodalintheodginal—designthatisthemostha
7、rmfultotheprocessaccuracyofthetoolsisdisappearedandthefi'equenciesofothermodalareraised.Themostimportantistheimprovementsarebroughtaboutwhiletheweightoftheworktableisdecreasedby15.6%.111eresearchprovesthedesignmethod,overalldesignstructures&materials,isusefultoweightoptim
此文档下载收益归作者所有