西安航空职业技术学院毕业设计论文1塑料端盖注塑模的设计【摘要】模具工业被称为工业之母，作为模具中重要分支的注塑模具，已成为当今生产中重要的工艺装备。塑料模具设计与制造技术，特别是设计与制造大型、精密、长寿命模具的技术，已成为衡量一个国家机械制造水平的重要标志。塑料端盖作为日常生活生产中最常用的塑件，本次设计是塑料端盖的注塑模设计，所用塑料为聚苯乙烯。关键词：塑料注塑模具塑料端盖Abstract:Die&MoldIndustryisknownasthemotherofindustryasanimportantbranchofmoldinjectionmold,hasbecomeanimportantproductionprocessequipment.Plasticmolddesignandmanufacturingtechnologies,especiallythedesignandmanufactureoflarge-scale,precision,long-lifemoldtechnology,hasbecomethemeasureofacountry'simportantindicatorofthelevelofmachinerymanufacturing.Plasticcoverofthemostcommonlyusedasadailyproductionofplasticparts,thisdesignistheplasticcoveroftheinjectionmolddesign,theplasticispolystyrene.Keywords:PlasticInjectionmoldPlasticcover西安航空职业技术学院毕业设计论文2目录1.塑件（塑料端盖）成型工艺分析......................................................................................................41．1塑件.............................................................................................................................................41.2塑件名称.......................................................................................................................................41.3生产纲领.......................................................................................................................................41.4塑件的成型工艺分析...................................................................................................................42拟定模具结构.......................................................................................................................................42.1分型面的确定...............................................................................................................................42.2确定型腔的数量及排列方式.......................................................................................................43注射机型号的确定...............................................................................................................................53.1所需注射量的计算.......................................................................................................................53.1.1塑件质量、体积的计算.......................................................................................................53.1.2浇注系统凝料体积的初步估算...........................................................................................53.1.3该塑件一次注射所需塑料HIPS..........................................................................................53.1.4塑件和流道凝料在分型面上的投影面积及所需锁模力计算...........................................53.2选择注射机...................................................................................................................................63.3注射机有关参数的校核...............................................................................................................63.3.1由注射机料筒塑化速率校核模具型腔数量n....................................................................63.3.2注射压力的校核................................................................................
