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黑龙江工程学院本科生毕业设计摘 要本文结合企业实际工程项目，以丰田花冠轿车为研究对象，对车门布置与设计流程进行了相关研究与分析，重点完成了车门机能件布置流程的研究。通过对国内外车身技术的发展趋势的回顾与理解，我们用现代计算机技术与国外先进的流程化设计思想，对车门基本结构与组成进行相关分析；然后我们对车门的开发流程进行了相关研究，重点对车门布置阶段的各个要点进行理论分析与知识库经验的判断；最后对该车的具体结构进行选型与布置讨论，形成用于详细设计的总布置文件。车门是车身结构中一个重要而复杂的总成，熟悉车门结构的功能要求、结构特点和较见的结构处理方法是车门结构设计的基础；另外，在具体的结构设计过程中，正确的方法、步骤是实现合理设计的关键，如车门总体结构的确定、附件的布置及运动校核、结构的统一协调和强度、刚度、可靠性等方面都有一定的规律和要求。结合产品年开发的具体实践对车门结构设计的几个问题做了较详细的论述。关键词：密封条；门附件；轿车车门；车门内板；车门外板；升降器；限位器 ABSTRACTIn this paper,we study the processes of the door layout and design through one actual engineering project development of a sedan car,focusing on the function of pieces to complete the door layout of the study process.Technology at home and abroad through the development trend of the body of the review and understanding,we do the analysis on the basic structure and the component using the modern computer technology and advanced design concepts of the process.And we carried out relevant research on the door development process,focusing on the theoretical analysis of the various important points and the estimation of the experience and knowledge. Finally,we selected the structure of the door and discuss the package of the door,creating the detailed design for the overall layout of parts.Car body door is an important assembly of complexity in the body structure.Structural function requirement,specialty of structure and general handling method of structure are the basis of body door structure design.In the course of door structural design,correct method and procedure are the key points to realize rational design,such as determination of door structure outlay,arrangement of accessories,motion verification and also others as overall coordination of structure,strength,rigidity,reliability etc.,all have definite rule and demand. Fairly detailed discussion is made for some problem of door structural design combining the substantial practice o