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20103/AZ31B,(,473004):AZ31B,AZ31B,AZ31B;,,AZ31B:AZ31B;;:TG76:B:16713133(2010)03009403DesignofAZ31BmagnesiumalloymobiletelephoneshelldrawingdieZHANGHong2feng,JIANGMeng(DepartmentofMechanicalandElectricalEngineering,NanyangInstituteofTechnology,Nanyang473004,Henan,China)Abstract:ResearchonthecourseofdeepdrawingofAZ31Bmagnesiumalloyhydro2mechanical,basedonthemobiletelephoneshellpsdesignofdrawingdieandactualmanufacturingwithAZ31Bmagnesiumalloy.TheactualmanufacturingresultsuggestthatpropermouldstructureandparameterscanimprovetheAZ31Bmagnesiumalloyplatespcapabilityofhydro2mechanicaldeepdraw2ingandcaneliminatethecrackdefectseffectivelywiththecontrollingofthemajorfactorssuchasmaterialtemperatureandmouldtemperatureinthecourseofhydro2mechanicaldeepdrawing.Keywords:AZ31Bmagnesiumalloy;mobiletelephoneshell;drawing,[1],11111AZ31B,1,AZ31B,,,,AZ31B,,,AZ31B112,,1,[2],,,[3]49/20103,,,AZ31B[4]AZ31B016mm,11AZ31B%AlMnZnCaSiCuNiFe()Mg215315012110016114010401100101010010100501302AZ31B,H/B[5],:H/B=6/420114:r/B=8/420119:t/B0=1B+2(H+0157rd)=01642+2(6+01571)0101:mc=rR=r2rH=82860182:H(1mm);B;r;t;B0;rdH/B015,01190101,m1=0144mcm1,33112(S=016mm),()2,;;220V,,,211213141516171810191111121131141151161171312,,,H=1mm;rt=1mm;ra=2mm;C=016mm;C1=0166mm:La=(Lmax-X)+a0Lt=(La-2C2)0-t:LaLt;at(IT7);Lmax;C2;();X,X=01754AZ31B,,,,AZ31B[6],,AZ31B,200,225,[7],,,AZ31B[8],400,,,,,AZ31B,5920103/,,,150200,,,3;200250290,,;260290120150320350,,43451),AZ31B2)AZ31B,,:[1],.[J].,2004(6):39-45.[2].TA1[C].,1993:224-229.[3],,.[J].,2004(1):1-3,10.[4],,,.AZ31B[J].,2004(11):22-25.[5].[M].:,1998.[6]DOEGEE,DRODERK.Sheetmetalformingofmag2nesiumwroughtalloys2formabilityandprocessTech2nology[J].JournalofMaterialProcessingTechnology,2001(115):14-19.[7]ASM.SpecialityHandbook2MagnesiumandMagnesiumAlloys[M].MaterialPark,Ohio:ASMInternational.1999.[8],,.AZ31[J].,2004(1):87-90.:,,E2mail:zhfzhf333@163.com:2009206201(69)4,,:[1].[M].:,2004.[2],,.[M].:,2004.[3],.[M].:,2009.[4].[M].:,2008.:,,,E2mail:liuxiaodong@tongji.edu.cn:200921022469