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深筒件的冲压工艺及模具设计说明书[带图纸].doc

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深筒件的冲压工艺及模具设计说明书[带图纸].doc

编号无锡太湖学院毕业设计(论文)题目深筒件的冲压工艺及模具设计信机系机械工程及自动化专业学号学生姓名指导教师(职称副教授)(职称)2013年5月25日无锡太湖学院本科毕业设计(论文)诚信承诺书本人郑重声明所呈交的毕业设计(论文)深筒件的冲压工艺及模具设计是本人在导师的指导下独立进行研究所取得的成果,其内容除了在毕业设计(论文)中特别加以标注引用,表示致谢的内容外,本毕业设计(论文)不包含任何其他个人、集体已发表或撰写的成果作品。班级机械95学号0923224作者姓名2013年5月25日II摘要冷冲压是利用安装在压力机上的冲模对材料施加压力,使其产生分离或塑性变形,从而获得所需要零件的一种压力加工方法。冷冲压模具工业是国民经济的基础工业,是国际上公认的关键工业。模具生产技术水平的高低是衡量一个国家产品制造水平高低的重要标志,它在很大程度上决定着产品的质量,效益和新产品的开发能力。振兴和发展我国的模具工业,正日益受到人们的关注。本设计的课题是深筒件的冲压工艺及模具设计,零件采用08钢,主要用先拉深成底部带有预冲孔的阶梯形圆筒件,然后再翻遍。用到的工序有落料拉伸工序、第二次拉伸工序、第三次拉伸工序及整形、冲翻边底孔ф11工序、翻边工序、冲3个小孔工序、切边工序这些工序流程。本次设计设计了2副模具,一副落料拉伸模模架采用后侧导柱导向模架一副为冲3个小孔的冲孔模。零件采用单排方式,板材尺寸为1.59001800mm。关键词冷冲压深筒件模具设计IIIAbstractColdstampingisusingpressesinstalledinthediepressureonthematerial,makeitsproduceaseparationorplasticdeformation,obtainedfromtherequiredpartsofapressureprocessingmethod.Coldstampingdieindustryisthefoundationofthenationaleconomyindustry,isinternationallyrecognizedasoneofthekeyindustries.Moldproductiontechnologylevelofhighandlowisameasureofanationalproductmanufacturelevelofimportantsymbol,itlargelydeterminesthequalityofproducts,andnewproductdevelopmentcapability.RevitalizationanddevelopmentofmouldindustryinChina,areincreasinglybeingpeoplesattention.ThisdesigntopicisColdstampingtechnologyanddiedesignoftubeparts,partsusing08steel,mainlyusedtopullwithprepunchingdeepintothebottomofthestepcylinder,andthenwentthrough.Useprocesswithblankingstretchingprocess,thesecondstretchingprocess,thethirdstretchingprocessandplasticandflangingbottomholeф11workprocedureandthreeholes,flangingprocess,trimmingprocesstheseprocesses.Thetwovicemoulddesigndesign,ablankingtensilemoldmoldframewithsideguidecolumnguidediesetApairofbluntthreeholesofpunchingdie.Partsadoptsinglemethod,boardsizeis1.59001800mm,KeywordscoldstampingtubepiecesthemolddesignIV目录摘要..............................................................................................................................................IIABSTRACT..................................................................................................................................III目录...........................................................................................................................................IV1绪论...........................................................................................................................................11.1本课题的研究内容和意义...................................................................................................11.2国内外的发展概况..............................................................................................................11.3本课题应达到的要求...........................................................................................................22深筒件的分析.............................................................................................................................32.1深筒件的设计要求...............................................................................................................32.2深筒件的尺寸分析...............................................................................................................32.3深筒件材料的选用...............................................................................................................32.4深筒件圆孔加工计算...........................................................................................................32.5深筒件加工工艺的分析.......................................................................................................43工艺方案的选择.........................................................................................................................53.1毛坯直径计算.......................................................................................................................53.1.1翻边变形程度的计算....................................................................................................53.1.2深筒件翻边前半成品的尺寸计算................................................................................53.1.3深筒件毛坯直径的计算................................................................................................63.2拉伸次数计算.......................................................................................................................63.3工序的组合和顺序的选定...................................................................................................73.3.1深筒件基本工序............................................................................................................73.3.2冲压方案选择................................................................................................................73.3.3方案比较....................................................................................................................114深筒件数据计算.......................................................................................................................124.1零件排样方式选择.............................................................................................................124.2板料尺寸的选择.................................................................................................................124.2.1板料的利用率计算......................................................................................................124.3材料消耗数据计算.............................................................................................................124.4各次拉伸是工件尺寸计算.................................................................................................134.4.1首次拉伸半成品尺寸..................................................................................................134.4.2二次拉深半成品尺寸..................................................................................................144.4.3第三次拉深半成品尺寸..............................................................................................144.5工序的压力计算和压力机的选取.....................................................................................154.5.1落料拉深工序..............................................................................................................154.5.2第二次拉深工序..........................................................................................................164.5.3第三次拉深工序..........................................................................................................164.5.4冲孔翻边工序.............................................................................................................17

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