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基于CAD-CAM的复合冲压模具设计说明书[带图纸].doc

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基于CAD-CAM的复合冲压模具设计说明书[带图纸].doc

编号无锡太湖学院毕业设计(论文)题目基于CAD/CAM的复合冲压模具设计信机系模具设计与制造专业学号学生姓名指导教师(职称副教授)(职称)2013年5月25日摘要该论文主要研究了复合冲压模具设计。通过对三个零件的工艺分析,制定出了模具设计方案,通过比较最终择优选出了复合冲压模具。其中包括两套冲孔落料复合模和一套拉深复合模以及一套单工序拉深模。通过对零件的分析,制定了合适的冲压模设计工艺。该论文对每一副模具,经过工艺分析、结构设计,论证了其可能性,最终保证了制品的质量。本论文具体分析了每副模具的总体结构以及工作过程,对模具中的各个工作零件的设计原则、尺寸确定以及公差等做了具体的叙述。通过应用三维软件和CAD软件进行复合冲压模具的数字化设计,了解机械行业的先进设计制造技术,掌握先进的设计制造理念。此外,该论文还涉及了模具行业当今的发展状况、发展水平、存在问题以及今后的发展前景等。由于模具的应用领域越来越广,其需求也越来越大,因此通过模具设计,可以更加熟悉模具的生产工艺。关键词复合冲压模工艺分析三维软件ABSTRACTThepapermainlystudiedthecompoundstampingdiedesign.Throughtheanalysisofthreepartstodevelopamolddesign,thenselectthefinalselectionofthebestcompoundstampingdiesbycomparing,includingtwosetsofpunchingblankingcompositemodulusandasetofdrawingcompositemodulusandasingleprocessdrawingdie.Developasuitablestampingdiedesignprocessbytheanalysisoftheparts.Thepapersanalyseseachmold,includestructuredesign,demonstratesthepossibilityoftheultimateguaranteeofthequalityoftheproducts.Inthisthesis,adetailedanalysisoftheoverallstructureandworkprocesspermoldfordeterminingthedimensionsandtolerances,andsodoaspecificdescriptionofthedesignprinciplesofthevariouspartsinthemold.Compoundstampingdiesthroughtheapplicationof3DsoftwareandCADsoftware,digitaldesign,advanceddesignandmanufacturingtechnologyofthemachineryindustry,tomastertheadvanceddesignandmanufacturingphilosophy.Inaddition,thepaperalsoinvolvesthedevelopmentofmoldindustryintodayslevelofdevelopment,thereareproblemsandfuturedevelopmentprospects.Increasinglywideareasofapplicationofthemold,itsdemandisalsoincreasing,sothemolddesign,moldproductionprocesscanbecomemorefamiliarwith.KeywordsCompoundstampingdieProcessAnalysis3DsoftwareIV目录摘要......................................................................................................................................IIABSTRACT..........................................................................................................................III1绪论.....................................................................................................................................11.1模具行业的现状和发展..............................................................................................11.1.1模具行业的现状....................................................................................................11.1.2中国模具技术的进步............................................................................................11.1.3中国模具工业的发展方向....................................................................................31.2课题的来源与意义...................................................................................................51.2.1课题的来源............................................................................................................51.2.2课题的意义............................................................................................................52冲孔落料复合模.................................................................................................................62.1冲裁件的工艺分析.......................................................................................................62.1.1材料........................................................................................................................62.1.2生产批量................................................................................................................62.1.3精度等级................................................................................................................62.1.4结构形状................................................................................................................62.2制订生产方案..............................................................................................................62.3零件的工艺计算..........................................................................................................72.3.1工作零件刃口尺寸的计算....................................................................................72.3.2排样........................................................................................................................92.3.3冲裁力..................................................................................................................112.3.4卸料力、推件力..................................................................................................122.3.5压力机公称压力的确定......................................................................................132.3.6压力中心的计算..................................................................................................132.4冲裁模设计与制造....................................................................................................132.4.1工作零件..............................................................................................................132.4.2定位零件..............................................................................................................162.4.3卸料与推料零件..................................................................................................182.4.4模架及零件..........................................................................................................203落料、拉深、冲孔复合模...............................................................................................223.1零件工艺分析............................................................................................................223.2零件工艺方案的确定................................................................................................233.3分析零件的冲压工艺性并确定工艺方案................................................................233.4工艺计算....................................................................................................................243.4.1冲裁力、卸料力、推件力、拉深力的计算及选出压力机..............................243.4.2排样、冲裁模间隙及凹模、凸模刃口尺寸公差计算......................................263.4.3首次无凸缘拉深的有关计算..............................................................................29V3.5有关模具零件结构的计算........................................................................................303.5.1冲孔凸模..............................................................................................................303.5.2落料凹模..............................................................................................................303.5.3拉深凸模(冲孔凹模)......................................................................................303.5.4拉深凹模(落料凸模)......................................................................................313.5.5卸料装置..............................................................................................................313.5.6定位零件..............................................................................................................323.5.7固定板、垫板......................................................................................................323.5.8模架、导柱、导套..............................................................................................324拉深模...............................................................................................................................334.1工艺分析....................................................................................................................334.2工艺计算....................................................................................................................334.2.1拉深直径..............................................................................................................334.2.2拉深力的计算......................................................................................................334.2.3圆角半径..............................................................................................................344.2.4拉深模具的间隙..................................................................................................344.2.5拉深高度..............................................................................................................344.2.6拉深凹模和凸模的尺寸......................................................................................344.3有关模具零件结构的计算........................................................................................344.3.1拉深凸模..............................................................................................................344.3.2拉深凹模..............................................................................................................354.3.3模架及其他..........................................................................................................355复合冲压模具...................................................................................................................375.1冲裁件的工艺分析....................................................................................................375.1.1材料......................................................................................................................375.1.2生产批量..............................................................................................................375.1.3精度等级..............................................................................................................375.1.4结构形状..............................................................................................................375.2制订生产方案............................................................................................................375.3零件的工艺计算........................................................................................................375.3.1工作零件刃口尺寸的计算..................................................................................375.3.2排样......................................................................................................................395.3.3冲裁力..................................................................................................................395.3.4卸料力、推件力..................................................................................................405.3.5压力机公称压力的确定......................................................................................405.4冲裁模设计与制造....................................................................................................405.4.1工作零件..............................................................................................................415.4.3卸料与推料零件..................................................................................................425.4.4模架及零件..........................................................................................................43

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