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351Vol35No1FORGING&STAMPINGTECHNOLOGY20102Feb.2010,(,110136):,,,,LY12M,,051,:;;DOI:103969/jissn10003940201001025:TG38641:A:10003940(2010)01009303NewtechnologyofsolidgranulemediumdeepdrawingandformingdiedesignZHANGLingyun,YUANHaihuan(LiaoningKeyLabofDigitalProcessesSimulationandTestTechnology,ShenyangInstituteofAeronauticalEngineering,Shenyang110136,China)Abstract:Consideringthedifficultsealofliquidmediaandcomplexinstallationetc.existinginthetraditionalhydromechanicaldeepdrawing,anewprocesswasproposed,whichreplacedtheoriginalliquidmediumwiththesolidgranulestosolvetheseproblems.Forceanalysisinthedrawingprocessrevealsthatthenewtechnologyofsolidgranulemediumdeepdrawingcaneffectivelyreducetensilestressintheformingprocess,anditishelpfultoimprovematerialformability.ThroughtheexperimentoftheLY12Msheetwiththeselfdesigneddieset,thefeasibilityofthesolidgranulemediumdeepdrawingprocesswasverified.Thelimiteddeepdrawingcoefficientcanbeupto051,superiortothetraditionalrigiditydiedeepdrawingprocess.Keywords:solidgranules;deepdrawing;diedesign:20090428;:20091113:(1963-),,,:zhangly79@163com,,,[1-4],1成形原理(GM)(6264HRC),,,,,[5-8],11Fig1Solidgranulemediumdeepdrawingandhydromechanicaldeepdrawing,,,,,,2拉深过程受力分析,,,22Fig2Forceanalysisofcylindricalcupdrawingtd,dz,:rtddz-qrddz=0(1):r;;q;z:tdz-qdz=0(2):prddz-qrddz-2tdzsind2=0(3):p;d,:sind2d2(4)(4)(3):r(p-q)=t(5),,d!=0,r=0[9],:=∀1+∀z=Az(6):∀(2)(5)(6):dzz=qAdzr(q-p)(7):z=eqAzr(q-p)+C(8):A,CH,z=H,z=p,:z=pe-qA(H-z)r(p-q)(9):pz=h(9),p,,,,,[10-11]3试验模具及工作原理,,,,3:5,,16171013,,17,,7,,,,,12,312121534567891011T13141617Fig3Solidgranulemediumdeepdrawingschematicdiagram94354工艺试验414,,50mm,5mm,06mm,5LY12M,10mm4(a)(b)Fig4Sheetmetalformingtestsystem(a)Openingmould(b)Closingmold5#06mmFig5#06mmsteelball42,100mmLY12M6,,m,:m=d/D=51/100=051:d;D0565结论6Fig6Formedpartphotooftesing,,(1)LY12M,051,(2),,(3):[1].[J].,2002,12(4):30-32.[2].[D].:,1997.[3].[J].,1980,5(1):11-20.[4],,.[J].,2001,12(2):231-234.[5],.[J].,2008,10(5):116-120.[6],,,.[J].,2006,13(2):85-88.[7]LawrenzKJ.[J].,.,1981,6(6):15-18.[8],,.[J].,1999,24(6):28-30.[9].[D].:,2002.[10].[M].:,1988.[11].[M].:,2007.[12].[M].:,1986.951: