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毕业设计(论文)说明书题目:灯罩注塑工艺分析与模具设计系别:机电工程系专业:机械设计及其自动化学生姓名:xxxx学号:xxxxxxxxxxxx指导教师:xxxxxx职称:讲师题目类型:理论研究实验研究工程设计工程技术研究软件开发2010年5月31日√I摘要塑料工业是当今世界上增长最为迅速的工业之一,而注塑模具是其中发展较快的种类,因此,研究注塑模具对于了解塑料产品的生产过程和提高产品质量有很大的意义。本文设计了对接型销双向斜抽芯推杆内抽芯灯罩注塑模,既满足了制品的成型和抽芯要求,又省去了斜抽芯和水平抽芯机构,大大简化了模具结构,脱型可靠,成型塑件质量好。本模具设计过程中分析了灯罩制件的工艺特性,并介绍了ABS材料的成型工艺特点;通过对塑件的形状、尺寸及其精度的要求来进行注射成型工艺的可行性分析。塑件的成型工艺性主要包括塑件的壁厚,脱模斜度和圆角以及是否有侧向抽芯机构。通过以上的分析来确定模具分型面、型腔数目、浇口形式、位置大小;其中最重要的是确定型芯和型腔的结构,以及它们的定位和紧固方式。在模具结构设计过程中提出了不同成型的方案并进行了比较,采取了最佳的成型方案;此外还分析了模具受力,脱模机构的设计,模具推出机构设计,合模导向机构的设计,冷却系统的设计等。同时,详细地分析了模具结构与计算。最后还对模具的成型零件进行了加工工艺的分析和设备的校核;还说明了模具的工作原理,对模具的装配还作了简单的介绍。最后绘制完整的模具装配总图和主要的模具非标准零件图。最后介绍了当今世界上最为普及的三维CAD/CAM系统标准软件的PROGRAM模块,对导柱和导套进行了参数化设计。还可以使用PRO/ENGNEER中的塑料顾问来确定浇口位置和分析浇注过程。通过本设计,可以对注塑模具有一个初步的认识,注意到设计中的某些细节问题,了解模具结构及工作原理,通过对PROGRAM的学习,可以建立较简单的零件库,从而有效的提高工作效率。关键词:塑料模具;参数化;镶件;分型面IIAbstractPlasticindustryisintheworldgrowsnowoneofquickestindustryclasses,butcaststhemoldisdevelopmentquicktype,therefore,theresearchcaststhemoldtounderstandtheplasticproducttheproductionprocessandimprovestheproductqualitytohavetheverybigsignificance.Thispaperdesignsthedockingtypepintwo-wayinclinedcore-pullingrodinsidecore-pullingchimneyinjectionmold,notonlysatisfythemoldingandcoreproducts,andsavetheinclinedcore-drawingandhorizontalcore-pullingmechanism,greatlysimplifyingthemouldstructure,reliable,plasticmoldingofgoodquality.Themoulddesignprocessareanalyzedintheprocesscharacteristics.Chimney,AndintroducesthecharacteristicsoftheformingprocessofABSmaterial.Basedontheshapeandsizeofplasticpartsandprecisionrequirementsforinjectionmoldingprocessoffeasibilityanalysis.Plasticmoldingprocessincludingplasticpartsofwallthickness,draftandroundedandwhetheranysidecore-pullingmechanism.Throughtheaboveanalysistodeterminethemoldpartingsurface,cavitynumber,gatelocation,sizeandform,Oneofthemostimportantistodeterminethecoreandthemoldstructure,andtheirlocationandtighten.Intheprocessofmoulddesignschemeofdifferentshapeandcomparison,thebestsolutiontothemolding,Inaddition,thestressanalysisofthemoulddesigndemouldingmechanism,moulddesign,moulddesignofsteeringmechanism,thecoolingsystemdesign,etc.Atthesametime,thedetailedanalysisandcalculation,thediestructure.Finallythemoldingpartsofmouldprocessingequipmentandanalysisofchecking,Alsoexplainstheworkingprincipleofdiemoldassemblyisintroduced.Finallythegeneralassemblydrawingcompletemoldanddienon-standardpartsgraph.FinallyintroducednowintheworldthemostpopularthreedimensionalCAD/CAMsystemstandardsoftwarePRO/ENGNEER'sPROGRAMmodule,andledthewraptotheguidepillartocarryontheparametrizationdesign.wecanusetheplasticconsultanttodeterminetherunnergatingprocessesandanalysis.Throughthisdesign,maytocastthemoldtohaveapreliminaryunderstanding,notesinthedesigncertaindetailquestion,understandsthemoldstructureandtheprincipleofwork;ThroughtothePROGRAMstudy,mayestablishthesimplecomponentsthecomponentsstorehouse,thuseffectiveenhancementworkingefficiency.Keywords:Theplasticmold;theparametrization;inlays;dividestheprofile.III目录引言........................................................................................................11注塑件的设计....................................................................................51.1功能设计...............................................................................................................51.2材料选择...............................................................................................................51.3结构设计...............................................................................................................61.3.1塑件工艺分析......................................................................................................71.3.2壁厚...................................................................................................................71.3.3脱模斜度............................................................................................................81.3.4圆角...................................................................................................................81.4塑件的尺寸精度及表面质量...................................................................................81.4.1尺寸精度.............................................................................................................81.4.2使用性能、制件技术要求和生产要求..................................................................91.4.3塑件的表面质量..................................................................................................92注塑成型的准备...............................................................................102.1注塑成型工艺简介...............................................................................................102.2注塑成型工艺条件...............................................................................................112.3注塑机的选择.......................................................................................................122.3.1注塑机简介.......................................................................................................122.3.2注塑机基本参数.............
本文标题:灯罩注塑工艺分析与模具设计说明书
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