全套设计（图纸）加扣扣194535455全套设计（图纸）加扣扣194535455湖北汽车工业学院毕业（设计）论文摘要论文主要介绍了东风越野车有限公司项目——后围密封梁拉延模具设计。它侧重于拉延模具的结构设计和工艺计算分析，使用AutoCAD绘制二维工程图，运用UnigraphicsNX和Pro/ENGINEERWildfire5.0软件进行三维数字化建模和模具的虚拟装配，以及装配体的干涉分析。本文对模具主要零部件的结构、功能要求作了详细说明；对工艺方案的经济性和技术可行性进行了分析比较；对模具部分结构参数作了理论计算；对整个模具的装配步骤作了介绍，对主要零部件的工艺路线做了分析。在整个拉延成形模的设计过程中，严格按照零件的工艺要求，综合考虑了模具结构的可靠性与科学性，运用数字化手段缩短模具设计制造周期，提高了制件精度，从而获得了高质量的产品。关键词：后围密封梁；拉延成形模具；CAD/UG；三维数字化设计；虚拟装配；模具设计湖北汽车工业学院毕业（设计）论文AbstractThispapermainlyintroducedtheprojectofDFMC--therearwallbeamsdrawingdiedesign.ItfocusesonStructuraldesignandprocessAnalysisofthedrawingmould,drawingtwo-dimensionalengineeringdrawingsbyusingAutoCAD,usingUnigraphicsNXandPro/ENGINEERWildfire5.0softwareforthree-dimensionaldigitalvirtualmoldassemblyandassemblyinterferenceanalysis.Structuralandfunctionalrequirementsofthemainmoldpartareexplainedindetail;economicandtechnicalfeasibilityoftheprocessplanareanalyzedandcompared;madeatheoreticalcalculationofthestructureparameterofmouldpart;assemblystepsforthemouldisintroduced,analyzedthemainpartsoftheprocess.Throughoutdrawingdiedesign,thetechnologicalrequirementofthepartareinstrictaccordance,consideringthereliabilityandscienceofthemoldstructure,usingdigitalmeanstoshortentheperiodofmoulddesignandmanufacturing,improvetheprecision,andgetahighqualityproducts.Keywords:rearwallbeam;drawingdie;CAD/UG;3Ddesign;virtualassembly;moulddesign湖北汽车工业学院毕业（设计）论文目录摘要............................................................................................................1Abstract..........................................................................................................21绪论.....................................................................................................-1-1.1课题来源、目的、意义................................................................................-1-1.1.1课题的来源.........................................................................................-1-1.1.2本课题研究目的........................