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··Development&InnovationofMachinery&ElectricalProductsVol.23,No.3May.,201023320105:2010-03-21:(1979-),,,,。。:,。0CAD/CAM,、,,、、、。,CAD/CAM、、。,,。CAD,UG、Pro/E、I-DEAS、Eu-clid-IS,Moldflow、C-Flow、DYNAFORM、OptrisMAGMASOFTCAE,。11,08,1mm,R1。,、、、5,、3,,。,,、、、,,、。08,1.0mm,,。:,Φ820-0.3FT4,Φ94±0.2FT5,17.5±1,9.5±1,6±1FT9。,,AnalysisonFormingProcessandMouldDesignoftheDustCoverTANGXi-Yong(DepartmentofElectricalandMechanicalEngineering,GuangzhouNanyangVocationalCollegeofTechnology,ConghuaGuangdong510980,China)Abstract:Accordingtopartdrawing,theformingprocessandtechnologyschemeofthedustcoverareanalyzed.Basedontheformingpro-cessrequirements,twosetsofcompounddiearedesignedtocompletetheformingmachining,finallythestructuraldesignandworkingpro-cessabouttwosetsofcompounddieareintroduced.Keywords:thedustcover;formingprocess;compounddie(,510980):,;,,。:;;:TB47:Adoi:10.3969/j.issn.1002-6673.2010.03.047:1002-6673(2010)03-117-031Fig.1Dustcover117··,。。,,h=6mm燮0.4d=0.4×82=32.8mm;R=1mm叟1t=1mm,,,。22.1(1)。,,Kmin=0.68。Hmax:Hmax=D/2(1-Kmin)+0.43r+0.72t={82.85/2(1-0.68)+0.43X1+0.72X1}=14.406mm。H=6mmHmax=14.406mm,。(2)D0。,D0:D0=D-2(H-0.43r-0.72t)=82.85-2(6-0.43×1-0.72×1)=73.15mm。,94/73.15=1.285,73.15/82.85=0.883,,,。2.2(1)D。,Pro/E。2,,,,VOL-UME=1.9009281e+04MM^3。,。14πD2t=19009.281,D=155.6mm。,,,准140mm,ΔR=4.3mm,D=164mm。(2)。,。D=164mm,d1=94+1=95,h=17.5-0.5=17.0,t=1:h/d1=17.0/95=0.179,t/D=1/164×100=0.61。。,,、、、。33.1(1):①,;②3,,,(250×200×45)mm,(250×200×50)mm,;③,H7/h6H7/r6,H7/h6;④,,,52~56HRCT7A,123mm;,6mm,45;⑤3,9Mn2V,Cr12MoV。(2):,,,1113,111,2,,,31,。,,13,,12,4,10,。3.2(1):①,,4;②,;,132.5~4,2mm;③32Fig.2Thecalculationmethodforblankdiameter(114)118··(118),。(2)。13,,3,11132,1213,3,。,3,,。4,、、、,,,。,。,,。:[1].[M].:,1999.[2],.[M].:,2008.[3].[M].:,2008.3,Good-man:Goodman:SaSf+SmSut=1:Sa=Amplitudeofthealternatingstress,;Sm=Meanstress,;Sf=Fatiguestress,;Sut=Ultimatestress,;Sa=(Smax-Smin)2;Sm=(Smax+Smin)2;Smax=Maximumstress,;Smin=Mini-mumstress,。14.3Mpa,0MPa,:Sa=Sm=7.15MPa1:Sut=39MPa:Sf=8.75MPa45S-N。,。,106,PA765(ABS)10Mpa,8.75Mpa,106,。:[1].[M].:,2002.[2]RogerToogood,PH.D,Pro/MechanicaTutorialstructure[M].Me-chanicalengineeruniversityofAlberta,2001.5S-N114
本文标题:防尘罩成形工艺分析与模具设计
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