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《立式磨床橫梁的有限元分析和結(jié)構(gòu)優(yōu)化》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、AbstractAsoneofbasicindustries，machinetoolindustryalwaysshowstheindustrialdevelopmentlevelofonecontry．Withthedevelopmentofmodernindustry,theperformanceofmachinetoolisrequiredhigherandhigher．Butthereisalongdistancebetweenhomeandabroadinthisindustry,suchashighpre
2、cision．Bytakingthebeamofoneverticalgrinderastheresearchobject，thispaperfirstsetupthe3Dmodelandfiniteelememtmodelforit；thenduetotheresultsofstaticanalysisandmodalanalysisofthebeam，merationalityofitsoriginalstructureisverified；atlastthequalityofthebeamisreducedby
3、theoptimaldesign，andalongwithitthecostwillbereduced．ConcretecontentiS鵲follow：1．Thestudybackgroundandsignificanceofthispaperaredescribed．theresearchstatusofmachinetoolsinhomeandabroadandthestagesofmoderndesignideaareintroduced．2．The3DmodelofthebeamiSsetupbySolid
4、Works．a(chǎn)ndthenthefiniteelementanalysismodelissetupbyABAQUSafterbeingformated．3．ThestrainandstressofthebeamiSanalyziedonthemostdangerouscondition．111eresultsshowtherationalityofitsoriginalstructure．So，thestructureCanbeoptimized．4．Themodalanalysisofthebeamisconduc
5、tedinABAQUS．a(chǎn)ndtheresultsshowthenaturalfrequenceandvibrationmodeofthebeam．Theresultsalsoshowtherationalityofitsoriginalstructure．So．thestructureCanbeoptimized．5．Threeparamaetersofthestructureofthebeamischosentomakethesensitivityanalysis，theresultsCanbetherefere
6、nceofstrucureoptimition．6．ThestructureofthebeamiSoptimizedduetotheoptimaldesign．ThequalityofthebeamiSreduced6．9％．Atlast，theresultsofoptimaldesigniscerified．Keywords：VerticalGrinder,Beam，F(xiàn)initeElement，SensitivityAnalysis，S仃uc眥Optimization目錄第一章緒論?????????????????
7、???????????????l1．1研究背景及意義?????????????????????????11．2國內(nèi)外發(fā)展現(xiàn)狀?????????????????????????．21．2．1機(jī)床設(shè)計(jì)的發(fā)展階段????????????????????．21．2．2國內(nèi)外研究現(xiàn)狀??????????????????????．31．3主要研究?jī)?nèi)容??????????????????????????5第二章磨床橫梁的三維CAD建模??????????????????????62．1CAD技術(shù)的概念與特點(diǎn)????????????
8、??????????62．2建模軟件簡(jiǎn)介??????????????????????????．82．3MK95160-65數(shù)控立式磨床??????．．j??????????????82．3．1磨床的結(jié)構(gòu)特點(diǎn)??????????????????????一82．3．2立式磨床橫梁的結(jié)構(gòu)特點(diǎn)??????????????????．．92．4本章小結(jié)??
