机床部件减重优化设计方法

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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