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1、毕业设计论文学生姓名:贺喆系别:机械工程系专业:机械设计制造及其自动化班级:T1113-5学号:20110130506摘要本篇论文介绍了了模具工业在国内的发展与现状,以及AutoCAD和Pro/e在模具设计中的结应用,详细论述了汽车侧围密封粱模具的设计过程。根据制件的形状和工艺要求,进行工艺分析,制定了零件的冲压成形工艺方案,详细叙述了修边剖切冲孔模具的设计。论述汽车侧围密封粱修边剖切冲孔模具方案的比较和选择。根据零件形状、结合实际制定出合理的排样设计。详细介绍了汽车侧围密封粱修边剖切冲孔模具的结构设计及关键零部件设计(包括冲
2、裁力、卸料力和推件力的计算,弹簧、卸料螺钉的选择,凸、凹模设计,上、下模座,导柱、导套的选择等)。简述了冲压设备的选择,并且编制了模具主要零部件制造工艺。简要论述了利用AutoCAD进行模具设计过程和Pro/e三维建模,以及两者的结合,虚拟装配。关键词:修边剖切冲孔模具设计;工艺分析;结构设计;虚拟装配AbstractThispaperintroducestheprocessionofmoldindustryinthedevelopmentandpresentsituationofdomesticandAutoCADandPr
3、o/eandapplicationinthemolddesign.Detaileddiscussesthecarsidesealaroundbridgemolddesignprocess.Accordingtotheshapeofthepartsandtechnicalrequirements,processanalysis,formulatedthepartsstampingprocessprogram,isdescribedindetailthedesignofpiercingdiefortrimmingcutting.D
4、iscussesthecarsidesealaroundbridgetrimmingcuttingschemecomparisonandselectionofpiercingdie.Accordingtotheshapeofparts,combinedwithactualworkoutreasonablelayoutdesign.Introducedthecarsidesealaroundbridgetrimmingcuttingpunchingdiestructuredesignandkeypartsdesign(inclu
5、dingblankingforce,dischargingthecalculationofforceandpushingforce,spring,thechoiceoftheunloadingscrews,convexandconcavediedesign,upperandlowermoldbase,thechoiceoftheguidepin,guidesleeve,etc.).Thispaperexpoundsthechoiceofstampingequipment,andcompiledthemajorpartsofth
6、emoldmanufacturingprocess.BrieflydiscussestheuseofAutoCADfordiedesignprocess,andPro/e3Dmodeling,aswellasthecombinationofboth,virtualassembly.Keyword:trimmingcuttingpunchingdiedesign;Processanalysis;Structuredesign;Virtualassembly目录第一章概论..............................
7、...............................................................................71.1模具工业的发展与现状..............................................................................71.1.1模具工业发展概况..........................................................................71.1.2模
8、具工业未来前景...........................................................................81.2CAD在模具设计中的应用........................................