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ID:39780416
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页数:9页
时间:2019-07-11
《Single gate optimization for plastic injection mold》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、万方数据JournalofZhejiangUniversitySCIENCEAISSN1673、565X(Print);ISSN1862-1775(OnlineWWw.zjueducn,jzus;www.springerlinkCornE-mail:Jzus@zjueducnLfecat/JZhejiangUnivScIA20078(刀,'1077-1083Singlegateoptimizationforplasticinjectionmold+LIJi-quan十,LIDe-qun,GUOZhi·ying,LVHai-yuan(Departm
2、entofPlasticit;Technology,ShanghaiJiaoTongUnivers勘Shanghai200030,China)+E—marl:hutli@163comReceivedNov22,2006;revisionacceptedMar19,20071077Abstract:nIispaperdealswithamethodologyforsinglegatelocationoptimizationforplasticinjecdonmoldTheobjectiveofthegateoptimizationistominim
3、izethewarpageofinjectionmoldedpans,becausewarpageisacrucialqualityissueformostinjecdonmoldedpartswhileitisinfluencedgreatlybythegatelocationFeaturewarpageisdefinedastheratioofmaximumdisplacementonthefeaturesurfacetotheprojectedlengthofthefeaturesurfacetodescribep',trtwmpage.T
4、heoptimizationiscombinedwiththenumericalsimulationtechnologytofindtheoptimalgatelocation,inwhichthesimulatedannealhagalgorithmisusedtosearchfortheoptimumFinally,arlexampleisdiscussedinthepaperanditcanbeconcludedthattheproposedmethodiseffective.Keywords:Injectionmold,Gatelocat
5、ion,Optimization,Featurewarpagedoi:tO163l/jzus2007A1077Documentcode:ACLCnumber:TQ320.66INTRoDUCTIONPlasticiniectionmoldingisawidelyused.tom—plexbuthighlyefficienttechniqueforproducingalargevarietyofplasticproducts,particularlythosewithhighproductionrequirement,tighttolerance,
6、andcomplexshapes.Thequailtyofinjectionmoldedpartsisafunctionofplasticmaterial,partgeometry,moldstructureandprocessconditions.Themostimportantpartofaninjectionmoldbasicallyisthefollowingthreesetsofcomponents:cavities,gatesandrunners,andcoolingsystem.LainandScow(2000)andJinandL
7、am(2002)achievedcavitybalancingbyvaryingthewalltllick-nessofthepartAbalancefillingprocesswithinthecavitygivesanevenlydistributedpressureandtem-peraturewhichcandrasticallyreducethewarpageofthepart.Butthecavitybalancingisonlyoneoftheimportantinfluencingfactorsofpartqualities.Es
8、pe·cially,theparthasitsfunctionalrequirements,anditsthicknessesshoul
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