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收音机中框零件注射模设计论文[带图纸].doc

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收音机中框零件注射模设计论文[带图纸].doc

本科毕业设计论文题目收音机中框零件注塑模设计系别机电信息系专业机械设计制造及其自动化班级姓名学号导师2013年4月I收音机中框零件塑件进行模具设计摘要本次设计主要讲述收音机中框零件塑件进行模具设计的毕业设计。论文综述了国内模具设计的研究进展及研究现状、分析课题的研究背景、阐述课题研究的意义和内容。首先分析塑件工艺结构,了解塑件的技术要求,测量塑件尺寸,绘制塑件图,选用ABS材料,设计出一套一模一腔的塑料模具。同时,详细叙述了设计过程如何分析塑件制品的结构、性能,确定成型方案,成型部分的设计,导向机构、浇注系统、顶出机构、排气、冷却系统等,接着分析了如何选择模具钢种、模具标准件。本套模具设计结合了机械制图,CAD,公差配合,模具设计,机械制造技术模具工艺学,UG等专业课程的知识,讲述了塑料模具结构设计的步骤,详细介绍了一套塑料模具设计的全部过程。关键词型腔型芯模具设计IIDesignofinjectionmoldframeradiopartsAbstractThisinstructionbookletmainnarrationtheradioframemodelsthegraduationprojectwhichcarriesonthemoldtodesign.Thepapersummarizestheanalysisofthestatusquo,andresearchprogressofstudyonthehydraulictechnologyathomeandabroadandthesignificanceofresearchbackground,describestheresearchtopics.Firstanalyzesmodelsthecraftstructure,understoodmodelsthespecification,thesurveymodelsasize,theplanmodelsachart,selectstheABSmaterial,designssetoftheoneplasticmoldwithonemoldholes.Atthesametime,howindetailnarratedthedesignprocesstoanalyzemodelsaproductthestructure,theperformance,determinedtookshapetheplan,tookshapethepartialdesigns,theguidanceorganization,poursthesystem,goesagainsttheorganization,theexhaust,thecoolingsystemandsoon,howthenanalyzedhaschosenthemoldaluminum,themoldstandard.Thissetmoldingtooldesigncombinedthemachinegraphics,CAD,thebusinesstripmatch,moldingtooldesign,machinemanufacturingthetechniquemoldingtoolcraftlearn,theUGwaitsprofessionallesson,relatingtheplasticsmoldingtoolstructureadesignofstep,detailedintroducedasetofplasticsmoldingtooltodesignofallprocesses.KeyWordsCavitycoremolddesignIII目录1绪论............................................................................................................................................11.1模具介绍.............................................................................................................................11.2模具在加工工业中的地位..............................................................................................11.3模具的发展趋势................................................................................................................11.4设计在学习模具专业中的作用.....................................................................................22该塑件材料分析和工艺性分析.................................................................................32.1材料分析.............................................................................................................................32.2工艺分析.............................................................................................................................33拟定的成型工艺.................................................................................................................43.1塑件的成型方法................................................................................................................43.2塑件的成型参数................................................................................................................43.3确定型腔数目....................................................................................................................43.3.1计算制品的体积和重量...........................................................................................43.3.2确定型腔数目.............................................................................................................44浇注系统的设计.................................................................................................................64.1塑件在模具中的位置.......................................................................................................64.1.1型腔的布置..................................................................................................................64.1.2分型面的选择.............................................................................................................64.2确定浇口形式及位置.......................................................................................................74.3主流道的设计....................................................................................................................84.4分流道设计.........................................................................................................................84.5冷料穴设计.........................................................................................................................95成型零部件的设计.........................................................................................................105.1成型零部件的结构设计...............................................................................................105.2成型零部件工作尺寸计算............................................................................................115.3成型零部件的强度与刚度计算..................................................................................126结构零部件的设计.........................................................................................................146.1选用注射机及模架........................................................................................................146.1.1初选注射机...............................................................................................................146.2.2选标准模架...............................................................................................................156.2定模板与动模板的设计...............................................................................................166.3合模导向机构的设计........................................................................................16IV7推出机构的设计...............................................................................................................187.1推件力的计算....................................................................................................187.2确定顶出方式及推杆位置................................................................................188侧向分型与抽芯机构设计.........................................................................................208.1外侧抽芯机构设计............................................................................................208.1.1计算斜导柱倾斜角.....................................................................................218.1.2计算斜导柱直径D.....................................................................................218.2.3计算斜导柱长度.........................................................................................218.2内侧抽芯机构设计............................................................................................218.2.1计算斜导柱倾斜角.....................................................................................218.2.2计算斜导柱直径.........................................................................................228.3.3计算斜导柱长度.........................................................................................229温度调节系统设计.........................................................................................................2310排气系统设计.................................................................................................................2410.1排气不良的危害性..........................................................................................2410.2排气方法..........................................................................................................2410.3排气槽结构......................................................................................................2411产品及模具的三维造型............................................................................................2512注塑机参数校核............................................................................................................2912.1最大注射量、锁模力、注射压力、模具厚度的校核..................................2912.2开模行程的校核..............................................................................................2912.3模具与注射机安装相关部分尺寸校核..........................................................2913绘制图纸并编写技术文件......................................................................................3013.1绘制各非标准零件图纸..................................................................................3013.2编写加工工艺和装配技术..............................................................................3113.2.2装配要求...................................................................................................3213.2.3综合要求...................................................................................................32设计总结..................................................................................................................................34致谢.............................................................................................................................................35参考文献..................................................................................................................................36毕业设计(论文)知识产权声明..............................................................................37毕业设计(论文)独创性声明..................................................................................38

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