模具曲率半径对X80管线钢管JCO成形影响分析

17320106JOURNALOFPLASTICITYENGINEERINGVol117No13Jun12010doi:1013969/j1issn1100722012120101031022X80JCO3(11,066004)(21,050018)1,21222:JCO,ABAQUS,,,,,:;;JCO;:TG386:A:100722012(2010)0320113206InfluenceofdieradiusonJCOformingforX80pipelinepipeLIQiang1,2FANLi2feng1GAOYing2ZHANGShuang2jie2YANGWen2tao2(11MechanicalEngineeringCollege,YanshanUniversity,Qinhuangdao066004China)(21CollegeofMaterialScienceandEngineering,HebeiUniversityofScienceandTechnology,Shijiazhuang050018China)Abstract:FiniteelementanalysismethodisusedtosimulateJCOformingprocessnumerically1Differentstressandstraindistri2butionforvariouspunchradiusesareanalyzedandtherelationbetweentheobjectivebendingangle,bendingangleonloadandpunchradiusisdiscussedaccordingtothecomputingresultbyfiniteelementsoftwareABAQUS1Relationscurvesofforceversusdisplacementaregivenaswellasthebendingforcecurvefordifferentpunchradiustogetthesametargetbendingangle,whichprovidesreferenceforareasonablechoiceforthedieinthefactory1Keywords:dieradius;pipelinepipe;JCOforming;finiteelementmethod3(E2008000693)E2mail:liqiang@ysu1edu1cn;liqiang@he2bust1edu1cn:,,1962,,;,,,:2010201201;:2010202206,,1219mm,2612mm,X80,X80,X70,,X80,,[123]JCO,,1JCO,,,J,,,C,O;,,,,JCO,,,,JCO[429],1219mm22mm12000mmX80(1),,,,1JCOFig11JCOforming1ABAQUSJCOABAQUS,,,[10]111X80,origin810,(1)(2),1=E(s)(1)=Kn(s)(2)EKn1X80Tab11MaterialpropertiesparametersE/GPa,nK/MPa,s/MPa2530.30.079919.53610112,,,JCO,,1219mm22mm12000mmX80JCO,3720mm22mm12000mm,,,1),,,,2a,,2a);b)Fig12Schematicdiagramoftheinitialsetupofblankanddie411172)JCOJCO,,JCO,2,2b2Tab12Differentvaluesofpunchradius12345R/mm150200240280340,,4CPE4R,22480,24308,2mm,,11,,,,,113Q235A,,,1/3,,,,,Q235A,,,,33Q235ATab13MaterialpropertiesparametersE/GPanK/MPas/MPa2000.280.185457202,3116%,2,3Fig13Relationcurveofbendingangleandpunchradius,,,,,211,,4,,5,,;,,;,,,4Fig14Residualstressanddataacquisitionpath212,6,,75113:X80JCO5Fig15Residualstresscurvefordifferentpunchradius,,,;,0,,,213,,X8022mm,,898,,,,,,,9,R280,1,R2=019999,214,10,,,;,,JCO,,,,,,6111710Fig110Curveofforceversuspunchdisplacementfordifferentpunchradiush=L2tan2-(Rd+Rp+t)1cos2-1(3)hLRdRp9,,(3),,11,,,,,,,11Fig111Curveofforceversusobjectiveanglefordifferentpunchradius,,,,,,,1219mm12000mm22mmX80JCO,168,R28021541219mm12000mm22mm,4Tab14Differentvaluesofpunchradius/mm/mm/mm115110137-5511.7104.474.2:;;150mm,,3,,1219mm22mm12000mmX80JCO,,;,/,,,,,/,/,,,,,,,,[1]YingGao,QiangLi,LifengFan.ApplicationsofFiniteElementMethodinLarge2diameterLongitudinalWel2dedPipe[C].2009InternationalConferenceonMeasur2ingTechnologyandMechatronicsAutomation(ICMT2MA2009).Zhangjiajie.IEEEComputerSociety,2009:7113:X80JCO22225[2],.JCOE[J].,2004.27(6):48253[3],,.X80[J].,2005.28(2):10214[4],,.JCO[J].,2009.30(1):77279[5],.[J].,1998.(4):429[6],,,.V[J].,2008.(5):1932196[7],.[J].,1999.6(3):56261[8]YELing,HPLee,BTCheok.FiniteelementanalysisofspringbackinL2bendingofsheetmetal[J].JournalofMaterialsProcessingTechnology,2005.168:2962302[9]MMath,BGrizelj.Finiteelementapproachintheplatebendingprocess[J].JournalofMaterialsProcessingTechnology,2002.(1252126):7782784[10],,.ABAQUS[M].:,200510,10201010,,(EiCompendex)3:;;;;,E2mail:haipingy@hit1edu1cn:2010630435:150001():0451286418732:13613659152:0451286418753,,,;,,81117