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汽车稳定杆卡子冲压模具设计论文[带图纸].doc

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汽车稳定杆卡子冲压模具设计论文[带图纸].doc

本科毕业设计论文题目汽车稳定杆卡子冲压模具设计系别机电信息系专业机械设计制造及其自动化班级学生学号指导教师2013年05月I汽车稳定杆卡子冲压模具设计摘要本文介绍的模具实例结构简单实用,使用方便可靠,首先根据工件图算工件的展开尺寸,在根据展开尺寸算该零件的压力中心,材料利用率,画排样图。根据零件的几何形状要求和尺寸的分析,采用复合模冲压,这样有利于提高生产效率,模具设计和制造也相对于简单。当所有的参数计算完后,对磨具的装配方案,对主要零件的设计和装配要求技术要求都进行了分析。在设计过程中除了设计说明书外,还包括模具的装配图,非标准零件的零件图,工件的加工工艺卡片,工艺规程卡片,非标准零件的加工工艺过程卡片。关键词复合模冲压设计IIDesignofautomobilestablebarclipstampingdieAbstractThisarticleintroducedmoldexamplestructuresimpleandpractical,convenientandreliableuse,accordingtothedimensionofworkpieceistheworkpiece,inthecenterofpressurepartsaccordingtothesize,materialutilizationratio,drawinglayout.Accordingtotheanalysisofthegeometricshapeandsizerequirements,theuseofcompounddiestamping,whichhelpstoimprovetheefficiencyofproduction,molddesignandmanufacturingarealsorelativetothesimple.Whenalloftheparametercalculationisfinished,assemblyschemetothetool,themainpartsofthedesignandassemblyrequirementsofthetechnicalrequirementsareanalyzed.Inthedesignprocess,inadditiontothedesignspecifications,butalsoincludingthemoldassemblydrawing,nonstandardpartsdrawings,theworkpiececardprocessingtechnology,processcards,processcardsnonstandardparts.KeywordscompounddiepunchingdesignIII目录1绪论..................................................................................................12冲裁工件件的工艺分析......................................................................23确定工艺方案及模具的结构形式......................................................34模具总体结构设计..............................................................................44.1模具类型的选择..............................................................................................44.2定位方式的选择...............................................................................................44.3卸料方式的选择...............................................................................................44.4导向方式的选择...............................................................................................45模具设计工艺计算..............................................................................55.1计算毛坯尺寸...................................................................................................55.2排样、计算条料宽度及步距的确定...............................................................55.2.1搭边值的确定.........................................................................................55.2.2条料宽度的确定.....................................................................................75.2.3送料步距的确定....................................................................................75.2.4排样........................................................................................................85.2.5材料利用率的计算.................................................................................86冲裁力的计算....................................................................................116.1计算冲裁力的公式.........................................................................................116.2总冲裁力、卸料力、推料力、顶件力、弯曲力和总冲压力....................116.2.1总冲裁力..............................................................................................126.2.2卸料力FQ的计算..............................................................................126.2.3推件力FQ1的计算.............................................................................136.2.4顶件力FQ2的计算.............................................................................136.2.5总的冲压力的计算...............................................................................137模具压力中心与计算........................................................................148冲裁模间隙的确定............................................................................159冲裁凸模、凹模刃口尺寸的计算....................................................179.1凸、凹模刃口尺寸计算的基本原则.............................................................179.2凸、凹模刃口尺寸的计算.............................................................................189.3计算凸、凹模刃口的尺寸的计算公式.........................................................199.4冲裁刃口高度.................................................................................................21IV9.5弯曲部分刃口尺寸的计算.............................................................................219.5.1最小相对弯曲半径rmin/t....................................................................219.5.2弯曲部分工作尺寸的计算...................................................................2210主要零部件的设计..........................................................................2610.1工作零件的结构设计..................................................................................2610.1.1凸凹模的设计.....................................................................................2610.1.2外形凸模的设计.................................................................................2610.1.3内孔凸模设计.....................................................................................2710.1.4弯曲凸模的设计.................................................................................2710.2卸料部分的设计...........................................................................................2710.2.1卸料板的设计.....................................................................................2710.2.2卸料弹簧的设计.................................................................................2810.3定位零件的设计...........................................................................................2910.4模架及其它零件的设计...............................................................................3010.4.1上下模座.............................................................................................3010.4.2模柄.....................................................................................................3010.4.3模具的闭合高度.................................................................................3111模具总装图.......................................................................................3212压力机的选择..................................................................................33总结.....................................................................................................34致谢...........................................................................................................35参考文献..................................................................................................36附录1........................................................................................................37附录2........................................................................................................38附录3........................................................................................................39附录4........................................................................................................40附录5........................................................................................................40

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