非對(duì)稱(chēng)截面環(huán)件在冷輾擴(kuò)過(guò)程中的有限元分析.pdf

1、河南科技大學(xué)碩士學(xué)位論文非對(duì)稱(chēng)截面環(huán)件在冷輾擴(kuò)過(guò)程中的有限元分析姓名：趙偉申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：機(jī)械制造及其自動(dòng)化指導(dǎo)教師：張洛平20080601摘要IISubject:FiniteElementAnalysisonAsymmetricalSectionRinginProcessofColdRingRollingSpecialty:MechanicalManufactureAutomationName:ZhaoWeiSupervis:

2、ZhangLuopingABSTRACTRingrollingisanadvancedrotationplasticfmingtechnologywhichusingtheringrollingmachinecauseswallthicknesstoreducediametertoexpansesectionoutlinetofm.coldringrollingisatechnologythathasringrollingcarried

3、onunderthenmaltemperaturetotheblankringithassignificantadvantageinlabsavingenergyconservationmaterialsavinghighefficientlowcostlownoiseetc.hasperfectlycompliedwithdevelopmenttendencyofprecisehighqualitylowconsumptionclea

4、ninthemodernplasticityprocessingtechnologyhasgreatprofitineconomysociety.Nowadayshotringrollingissufficientlyadvancedintheringrollingtechnologywhichismainlyusedtotherectanglesectionringsthesymmetricalringsthestudyoftheco

5、ldringrollingfasymmetricalsectionringsisjustatthebeginning.Inthispapertheprincipleofbearingouterringincoldringrollingprocessisstudiedthroughthemethodtosimulateanalysisthefmingprocessoftypicalasymmetricalsectionring——bear

6、ingouterring.Inthispaperbasedonthetheiesofelasticplasticfiniteelementmethodthetheiesofringrollingthecalculationmodelofbearingouterringringrollingprocesseshasbeenestablished.UsingABAQUSExplicitoperatingplatwhichlargescale

7、generalfiniteelementsoftwareABAQUSprovidesimulateanalysisitsfmingprocessesinvestigatetheinfluenceruleoftechnologyparameterexertingonthefmingresultanalysistherelationshipbetweenstressequivalentstrainindifferenttimeanalysi

8、sthefloatingacteristicofmaterialinrollingprocessesanalysisthebugswhichisappearedintheprocessesofsimulationfindoutthereasonofthebugsappearedreduceavoidthebugsbyadjustingthetechnologyparametersreasonable.Accdingtothesimula