简介:Characteristicvaluesandtestingmethodsfordeepdrawingprocesses;Comparisonofexperimentalandsimulateresultsforamildsteelandadual-phasesteeldeformedundertensionanddeep-drawing;Computer-aidedprocessdesignsystemforaxisymmetricdeepdrawing;Contactlesson-linemeasurementofmaterialflowforclosedloopcontrolofdeepdrawing;Deepdrawingofnickelfoilandstainlesssteelfoil;
简介:Adatabaseorientedprocesscontroldesignalgorithmforimprovingdeep-drawingperformance,Afiniteelementandexperimentalstudyofsheetdeformationasinfluencedbydrawbeadendgeometry,Anoteondeepdrawingprocess:numericalsimulationandexperimentalvalidation,Anovelrolling-annealingcycleforenhanceddeepdrawingpropertiesinIFsteels,Anoveltechniqueoffrictionaideddeepdrawingusingablank-holderdividedintofoursegments.
简介:Drivesystemoptimizationofhydraulicdeepdrawingpressesfordevelopmentandcommissioning;Economicallaser-cutblanksfordeepdrawing;Effectofanisotropyandprebulgingonhydromechanica!deepdrawingofmildsteelcups;EnhancetheFormabilityofSheetMetalviaSmartTooling;Experimentalandnumericalapproachesofspringbackofhigh-performancesteelsdrawnwithu-shapedtoolsandanindustrialsidemembertool
简介:【摘 要】勺形件是某型机在新机研制过程中加工难度较大的钣金零件之一。该零件是典型的不规则拉深件,具有零件结构复杂、成形难度大、成形区域表面质量难控制等特点,对其进行成形工艺研究具有较大意义。本文以理论为指导,结合该零件结构特点进行成形工艺性分析,基于数值模拟技术通过大量的模拟试验制定出合理的工艺方案,并不断优化对应的工艺装备,最终生产出满足设计和使用要求的产品。
简介:摘 要:针对超低碳不锈钢大张口薄壁变曲率弯管成形过程起皱和破裂现象,借助有限元软件PAMSTAMP对大张口薄壁变曲率弯管拉深过程进行数值模拟,通过对压边力、模具型面、拉延筋、坯料外形等工艺参数的分析及优化,最终确定了较为合适的模具结构,并结合实验验证,最终成形出符合要求的零件。
简介:Afundamentalstudyofcanformingbythestretch-drawingprocess;Anexerciseincoldironingasthepost-forgingoperationfornet-shapemanufacture;Designofhorizontalmechanicalpressesfordeepdrawingandironingprocess;DevelopmentofsimulationcodeforcalculatingresidualstressdistributioninD-Icansproducedbyboth-sidedironingprocess;Fractureanalysisoftubedrawingwithamandrel;Improvementoffillingratioandreductionofformingpressure-atrialforformingofaspurgearmadefromthedrawncupⅡ