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毕业设计（论文）题目：铰链合页多工位级进模工艺及设计学生：林宏杰指导老师：马立安系别：材料科学与工程系专业：材料成型及控制工程班级：材成0802学号：16081052202012年6月福建工程学院本科毕业设计(论文)作者承诺保证书本人郑重承诺：本篇毕业设计(论文)的内容真实、可靠。如果存在弄虚作假、抄袭的情况，本人愿承担全部责任。学生签名：年月日福建工程学院本科毕业设计(论文)指导教师承诺保证书本人郑重承诺：我已按有关规定对本篇毕业设计(论文)的选题与内容进行了指导和审核，该同学的毕业设计（论文）中未发现弄虚作假、抄袭的现象，本人愿承担指导教师的相关责任。指导教师签名：年月日目录摘要.....................................................................IAbstract.................................................................II1绪论....................................................................11.1冲压技术的概念....................................................11.1.1根据工艺性质分类.................................................11.1.2根据工序组合程度分类.............................................11.2我国模具技术的发展趋势............................................21.2.1冲压模具市场状况................................................21.2.2冲压模具水平状况.................................................31.3冲压模具特点.......................................................31.4模具CAD技术.......................................................31.4.1CAD/CAM/CAE在模具加工中的应用...................................31.4.2CAD/CAE/CAM在级进冲模领域的应用.................................41.5主要任务...........................................................42冲压件的工艺分析........................................................52.1工艺分析...........................................................52.2工艺方案的分析.....................................................53确定裁板及排样的方案....................................................63.1排样的意义及排样方式的确定........................................63.1.1排样的意义.......................................................63.1.2排样方式的确定...................................................63.2计算毛坯尺寸及确定搭边值..........................................83.2.1毛坯尺寸........................................................83.2.2确定搭边值.......................................................83.2.3计算材料利用率.................................................94各工序力的计算及压力机的初选...........................................104.1冲裁力弯曲力预弯卷圆力落料力.................................104.1.1冲裁力..........................................................104.1.2卸料力..........................................................104.1.3预弯曲力........................................................104.1.4落料力..........................................................114.2初选压力机........................................................115模具设计...............................................................125.1冲孔切搭边......................................................125.1.1凸凹模间隙的计算................................................125.1.2冲模刃口尺寸及公差的计算........................................125.2预弯卷圆.........................................................135.2.1预弯部分........................................................135.2.2卷圆部分........................................................155.4落料.............................................................175.4.1落料凸凹模......................................................176模具总体结构设计.......................................................186.1模具类型.........................................................186.2操作与定位方式....................................................186.3卸料与出件方式....................................................186.4模架类型及精度....................................................186.5凸模固定板设计....................................................196.6垫板设计..........................................................196.5模具装配总图......................................................197模具材料选择及热处理要求...............................................23总结.....................................................................24致谢.....................................................................25参考资料.................................................................26铰链合页多工位级进模工艺及设计摘要简述了冲压工艺分析的一般工艺流程，以及冲压模具设计的基本思路。本文主要是对铰链合页的加工工艺进行分析及模具设计，其中包括卷圆、弯曲、冲裁的工艺分析，以及相应工步模具的设计。在设计中采用冲孔、切边、卷圆、落料等工艺。分析了工件的冲压工艺性；计算了毛坯排样、冲压力刃口尺寸计算等；进行了模具装配图和零部件图。这次设计应用本专业所学课程的理论和生产实际知识进行一次冷冲压模具设计工作的实际训练从而培养和提高学生独立工作能力。巩固与扩充了冷冲压模具设计等课程所学内容。关键字：铰链合页，冲孔，卷圆，弯曲，落料TheProcessandDesignofHingeMulti-PositionProgressiveDieAbstractInthispaper,weanalysisthestampingprocessonthegeneralprocess,aswellasthestampingdiedesignofthebasicideas.Thispapermainlyanalysisthehingeanalysisprocessanddiedesigndeeprollroundbendingandblankingprocesstechnology,aswellasthedieofcorrespondingworkstepdesign.Inthedesign,Punching,trimming,rolledround,bending,droppingmaterialandotherprocessesareused.Therearealsoanalysisofthestampingprocessoftheworkpieces;calculationofnestingrough,pressure,cuttingthesizecalculationcanbeseen;thecalculationofthemoldparts,aswellastheoverallstructureandchoice,themaincomponentsofdesignarecarriedout,wedrawthepunchingmoldassemblydrawingsandpartsdiagram.Thusthepresentpaperappliesthisspecialtytostudythecurriculumthetheoryandtheproductionknow-howcarriesonatimecoldstampingmolddesignworktheactualtrainingtoraiseandtosharpenthestudentindependentworkingability,consolidatedandexpandedthecontentwhichcurriculaandsooncoldstampingmolddesignstudied.Keywords:hin