立式磨床横梁的有限元分析和结构优化

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1、AbstractAsoneofbasicindustries，machinetoolindustryalwaysshowstheindustrialdevelopmentlevelofonecontry．Withthedevelopmentofmodernindustry,theperformanceofmachinetoolisrequiredhigherandhigher．Butthereisalongdistancebetweenhomeandabroadinthisindustry,suchashighpre

2、cision．Bytakingthebeamofoneverticalgrinderastheresearchobject，thispaperfirstsetupthe3Dmodelandfiniteelememtmodelforit；thenduetotheresultsofstaticanalysisandmodalanalysisofthebeam，merationalityofitsoriginalstructureisverified；atlastthequalityofthebeamisreducedby

3、theoptimaldesign，andalongwithitthecostwillbereduced．ConcretecontentiS鹊follow：1．Thestudybackgroundandsignificanceofthispaperaredescribed．theresearchstatusofmachinetoolsinhomeandabroadandthestagesofmoderndesignideaareintroduced．2．The3DmodelofthebeamiSsetupbySolid

4、Works．andthenthefiniteelementanalysismodelissetupbyABAQUSafterbeingformated．3．ThestrainandstressofthebeamiSanalyziedonthemostdangerouscondition．111eresultsshowtherationalityofitsoriginalstructure．So，thestructureCanbeoptimized．4．Themodalanalysisofthebeamisconduc

5、tedinABAQUS．andtheresultsshowthenaturalfrequenceandvibrationmodeofthebeam．Theresultsalsoshowtherationalityofitsoriginalstructure．So．thestructureCanbeoptimized．5．Threeparamaetersofthestructureofthebeamischosentomakethesensitivityanalysis，theresultsCanbetherefere

6、nceofstrucureoptimition．6．ThestructureofthebeamiSoptimizedduetotheoptimaldesign．ThequalityofthebeamiSreduced6．9％．Atlast，theresultsofoptimaldesigniscerified．Keywords：VerticalGrinder,Beam，FiniteElement，SensitivityAnalysis，S仃uc眦Optimization目录第一章绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

7、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯l1．1研究背景及意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．2国内外发展现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．21．2．1机床设计的发展阶段⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．21．2．2国内外研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．31．3主要研究内容⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯5第二章磨床横梁的三维CAD建模⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯62．1CAD技术的概念与特点⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

8、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯62．2建模软件简介⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．82．3MK95160-65数控立式磨床⋯⋯⋯⋯⋯⋯．．j⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯82．3．1磨床的结构特点⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一82．3．2立式磨床横梁的结构特点⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．92．4本章小结⋯⋯