小模数塑料内齿轮注塑模具设计

王学虎祝铁丽宋满仓刘永云(,116023)介绍了小模数塑料内齿轮的注射成型工艺特点,在参考Moldflow软件模拟结果的基础上确定了最佳的浇口位置,并对模具设计和制造过程中的关键问题进行讨论,设计了一套小模数塑料内齿轮注塑模具注射成型试验表明,所设计的模具结构合理运行顺畅,所注射成型的小模数塑料内齿轮质量良好满足使用要求小模数内齿轮注射成型模具设计,,,[1][2-4],,0.2mm,11:0.2mm,36,1.6,20;:7.5mm,8.2mm;:10mm,4mm1,,,0.9mm,,0.5mm,,,,,,,(POM),,POM22.1浇注系统设计MoldflowCAE,,Moldflow(Fusion),[5],Fusion,0.2mm,,2,2,,[6],0.6mm,3:20100210622010,38,532.2成型组件设计434mm,0.07mm,0.16mm,;1mm,;,0.1mm,a;b1;2;3;4;5;6;7;8;942.5mm,,M2.5,5,,,,,1.5mm,,,,(4b),,,2.3模具整体结构设计51;2;3;4;5;6;7;8;9;10;11;12;13;14;15;16;17;18;19;20;21563,:,,,,,,,6,,,,,;,,,,,,,63M90-44POMBOY12APOM,,[7]11/!210/MPa70/!60/s6/cm3∀s-145/s30/MPa70/s100,,7,,(a)(b)a;b74,Moldflow,,,,[1],,.[J].,2003,27(3):42-44.[2],.[J].,2000,14(5):48-52.[3].[J].,2002,30(2):22-23.[4],,.[J].,2009,37(3):34-36.[5],.Moldflow[M].:,2005.[6].[M].2.:,2002.[7],.POM[J].,2000,35(4):33-35.DESIGNOFINJECTIONMOLDFORSMALLMODULEPLASTICINTERNALGEARSWangXuehu,ZhuTiel,iSongMancang,LiuYongyun(InstituteofMoluld&Die,DalianUniversityofTechnology,Dalian116023,China)ABSTRACTTheinjectionmoldingcharacteristicsofsmallmoduleplasticinternalgearsareanalyzed.Basedonthesimulation642010,38,5resultsofthesoftwareMoldflow,thebestlocationofthegateisdetermined.Afterdiscussingthekeypointsinmoldmanufacturing,aninjectionmoldforsmallmoduleplasticinternalgearsisdesigned.Theinjectionmoldingexperimentsarecarriedoutandthemoldoperatessmoothly,indicatingthatthemolddesignisreasonable.Theinjectionmoldedplasticinternalgearshavegoodqualityinappearanceandsatisfytherequirementsinprecision.KEYWORDSsmallmoduleinternalgear,injectionmolding,molddesign2010,,2009,2010,,(1)4Toray,15%,,20103.2t/a,200178.3%2009~2018,80,F-35II,,,,,18t,,6t,,,,2014,5t(2),,,,0.4%,90%,,,,(工程塑料网),,,(中聚网)VectraGVectraG(LCP)VectraG131G331,VectraG131G331,,Vectra,VectraGVectra,,UL94V-0,,VectraG260!,:,,,,(),25%,VectraGPBTVectra,(慧)C,()2010,82010,,,,30%,1300(25.4kg)29,3000km,,Dri-Fit15%,,(中塑网)65,: