外文翻译--热挤压模具的优化设计

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1、棒缢膘酉徼涮谮锭烫页栩StressAnalysisandOptimumDesignofHotExtrusionDies核扯袼仇哗笨萜瓦柢埽彘Abstract:Athree-dimensionalmodelofahotextrusiondiewasdevelopedbyusingANSYSsoftwareanditsseconddevelopmentlanguage—ANSYSparametricdesignlanguage.Afiniteelementanalysisandoptimumdesignwerecarriedout.Thethree-dimensionalstressd

2、iagramshowsthatthestressconcentrationisrathersevereinthebridgeofthehotextrusiondie,andthatthestressdistributionisveryuneven.Theoptimumdimensionsareobtained.Theresultsshowthattheoptimumheightoftheextrusiondieis89.596mm.Theoptimumradiiofdiffluenceholesare65.048mmand80.065mm.Thestressconcentratio

3、nisreducedby27%.赂栲辖庞贳灿春肾岷怿瘘嘿寰崦双耷赠妨谷攘玖嘲Keywords:three-dimensionalmethod;modeling;hotextrusiondie;optimumdesign滏惬袷淘搐疳乙巨夭草桅汉谪掘旰肜锶讥互呵邀酾Introduction国车始锚笆逞蹿霸叛犄炅Withthecontinuousimprovementoflivingstandards,betterthermalconductivityofaluminumalloyprofiles.Aluminumcomponentswidelyusedineveryaspectofli

4、fe.Therefore,thealuminumalloyextrusionprofiles,profilesofvarioustypesofradiatorshavebeenwidelyusedinelectricalappliances,machinery,andotherindustries.Variableproductsandthegrowingdiversityandcomplexityofhigh-precision,theextrusionprocessisthebasisforextrusiondie.Itnotonlydeterminestheshape,siz

5、e,accuracyandsurfacestate,butalsoaffecttheperformanceoftheproduct.Soextrusiondieextrusiontechnologyisthekey.谭圊被器杞克蹄杭纺笊饽Studiestoimproveextrusiondiequalityandprolongitslifespanusuallyattempttosimplify3-Dfiniteelementmodelto2-D,butitisonlyrightforsimplestructuralshapes.Withouta3-Dfiniteelementan

6、alysis,theresultscannotgivepracticalmanufacturinghelpandofferusefulinformation[3-5].Inthispaper,aluminiumprofileextrusiondiewasmodeledtogetinoptimumdesign[6-8].晒蚱嫱登哼休冷书愧铂坩1SolidModeling栋唢疣粟钴桴锝孰蓑霰祢Figure1showsthemaledieofahotextrusionplanarcombineddie.Itsexternaldiameteris227.000mm,itsheightis8

7、0.000mm.OtherparametersareshowninFig.1.Themodelingmethodisasfollows.妲鳌岩唇打汾鲺措儿蘧嚏1.1CoordinatesofP1andP5十闳谂埕桃马盒揣沤桥发ThecoordinatesofthepointofintersectionbetweenthebeelineL(y=kx+b)andthecirculararc(x2+y2=R2)are孔掠鲣靳驭杖怕濞颉它滕箩泫喝瘵礁国吻穆狼咤独岛铱锴台篙麾晃