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1、西安建筑科技大学硕士论文关键词：三辊卷板机，理论分析，ANSYS，SolidWorks，AutoCADMechanical，挠度，床身，结构优化论文类型：应用生产万方数据西安建筑科技大学硕士论文DesigntheoryanalysisandnumericalsimulationofThreeRollerSymmetricalBendingMachineSpecialty：MechanicaldesignandtheoryName：ZhenChengInstructor：Prof.GuoRuifengAbstractThreeRollerSymmetricalBendingMachineisfo
2、rmingequipmentforbendingofsheetmetal,canbeplatematerialbendingintoacylindershape,arc,coneshapeorothershape.Threerollerbendingmachineisanindispensablepartofheavymachineryindustry,widelyusedinpetroleum、chemicalindustry、pressurevessel,etceteraWiththedevelopmentofrollingmachineinlargerscaleandhigherprec
3、ision,thestructuraloptimizationofrollingmachineisbecomingmoreandmoreimportant.Now,Theindustryofbendingmachinedeveloptomoregreater,moremeticulous,andhavemoreproblemofoptimizationdesign.ThefollowingaspectshavebeenstudiedinthisthesiswithsomethreerollerbendingmachinebyShougangGroup,ChanggangForgingandMa
4、nufacturingMachineryCompany.Firstly,theforceoftheworkingrollandsupportingrollareobtainedbytheanalysisofprocessparametersonthebendingmachine,andtheforceoflathebedarealsocalculated,whichmakebasicforthestructuraloptimizationofandlathebed.Secondly,thelathebedofthreerollingmodelisbuiltinSolidWorksandanal
5、yzedbyusingANSYS/LS-DYNA,therelationshipofbending-radiusandtheupperrolldecentquantityandstressoftheworkingroll,andlathebedareresearched,andthesimulativeresultswiththetheoreticalresultsiscomparedandanalyzedthereasonoferror.Thirdly,Inordertoensurequality,roundnessandlinearofformingsheet,sowemustensure
6、thatthetoprollerhassufficientrigidityanddeflection.Inthispaper,usingthesoftwaresimulationofAutoCADMechanical,assumingthesupportreactionforce,万方数据西安建筑科技大学硕士论文andsimulatesituationofbendingmachinerollerbyuniformload,Mechanicalisusedtoinversesolution,toaddthedeflectionontoproller,toensurethequalityofshe
7、etmetal.Lastly,accordingtostaticandmodalanalysisisresults,theweightoptimizationofthelathebedareimplementedbyusingANSYSoptimizationmoduleandtheoptimizationofdesigndocumentsinthecaseofmeetingthemaximums
