新型壓力機機身有限元分析與優(yōu)化.pdf

1、南京理工大學(xué)碩士學(xué)位論文新型壓力機機身有限元分析與優(yōu)化姓名：周平申請學(xué)位級別：碩士專業(yè)：機械制造及自動化指導(dǎo)教師：孫宇20070601碩士論文新型壓力機機身有限元分析與優(yōu)化AbstractThediversityflexibilityofthetechniquesandtheflexibleprocessingofthepunchingproductsrequirespunchingmachinetorealizetheformingo

2、fthepunchingpartsbythemeansofadjustingthemovementofslideblocksandnewpressCanmeetthisrequirementThispaperisbasedonthetechnologyoffhlitcelementcombining州ththemodemcomputermakinguseofANSYSwhichisthespecializedtmiteelementan

3、alyzingsoftwaretoestablishmechanicalmodelofthe丘ameforthenewpress，toanalyzetheframebothstaticallyanddynamicallyviafiniteelementandtodesignandresearchtheframestructmeproperlyonthebasisoftheanalysisresultThemaincontentisasf

4、ollowing：。FirstlythetraditionaldesignismainlybasedontheexperiencesInthispaperthestaticcharacteroftypeJA21—60S一1andtypeJA2160S一2areanalyzed，andthestaticanalysisresultsarecomparedBasedontheresultsofthecomparison，thispaperc

5、hoosetypeJA21—60S1asthebestmodelAfteranalysisofthetypeonstressfield，distortionfieldandanglerigidity，thestressconcentmtedpartsandtheweakonescanbefoundAllofthesesetasolidfoundationforitsqualityoptimizationSecondlyinmodalan

6、alysisthefirsttenmodalitiesoftheframea爬calculatedAftertheanalysisontheinfluencetothepressundereachmode，asolidfoundationisthussetforitsdynamiccharacteroptimizationThirdlythroughthedynamicresponseanalysisontheframe，theresp

7、onseofframeundertheimpulsiveloadsarestudied，theadvantagesanddisadvantagesofthepressdynamiccharacterareobtainedFourthlyinoptimumdesign，accordingtotheanalysisresultofthestatic，modalanddynamicresponseanalyze，Ontheconditiono

8、fguaranteeingtheprocessingprecision，theweightoftheframeisreduced，theconcentrationofstress，whichmaycausesthewearydestruction，isrelieved，andthedynamiccharacterisimprovedLastly枷theresearchesofthepaperaresummarizedandwhatsho