基于广义参数化技术的机械产品优化设计方法研究与应用

发布时间：2018-08-02 07:49

【摘要】：参数化设计是实现计算机辅助设计(Computer Aided Design,简称CAD)的重要手段,是提高产品设计效率的重要方法,但是它不能对产品设计参数和图纸进行优化,这极大地影响了参数化设计方法在工程实际中的应用。针对以上不足,本文提出了基于广义参数化技术的机械产品优化设计方法,对其设计思想和关键技术进行了详细介绍,并以桥式起重机端梁为研究对象,开发了实例验证系统。论文的主要研究内容和成果如下: (1)在研究参数化设计理论和优化设计理论的基础上,提出了一种基于广义参数化技术的机械产品优化设计方法; (2)对参数化建模技术进行了研究,总结了建立变型设计主模型应遵循的原则和步骤; (3)对参数化绘图技术进行了研究,论述了工程图主模板的绘制步骤和工程图信息文件的生成方法; (4)将参数化思想应用于机械产品设计计算过程中,提出了一种新的参数化优化设计方法,实现了机械产品设计参数的自动生成与优化; (5)对参数化变型设计技术进行了研究,总结了参数化模型驱动应遵循的原则,实现了系列化产品模型的快速生成; (6)对参数化工程图优化技术进行了研究,实现了符合国家和企业标准的工程图的自动生成; (7)构建了客户端/服务器/工作站体系结构,实现了局域网范围内的机械产品快速优化设计; (8)选用SolidWorks 2010作为三维CAD软件,SQL Server 2000作为数据库管理软件,Visual Basic 6.0作为编程语言,以桥式起重机端梁为研究对象,开发了实例验证系统,验证了本方法的有效性和实用性。本方法的应用可以提高产品的设计效率、设计质量和设计的规范化程度,降低产品的设计成本和生产成本,为企业带来可观的经济效益。
[Abstract]:Parameterized design is an important means to realize (Computer Aided Design, (CAD), it is an important method to improve the efficiency of product design, but it can not optimize the design parameters and drawings. This greatly affects the application of parameterized design method in engineering practice. In view of the above shortcomings, this paper puts forward the optimization design method of mechanical products based on generalized parameterization technology, introduces its design idea and key technology in detail, and takes the end beam of bridge crane as the research object, develops an example verification system. The main research contents and results are as follows: (1) on the basis of parametric design theory and optimization design theory, A mechanical product optimization design method based on generalized parameterization technology is proposed. (2) Parametric modeling technology is studied. The principles and steps to be followed in establishing the main model of variant design are summarized. (3) the parameterized drawing technology is studied. This paper discusses the drawing steps of the main template of engineering drawing and the method of generating the information file of engineering drawing. (4) applying the idea of parameterization to the process of design and calculation of mechanical products, a new method of parameterized optimization design is put forward. The automatic generation and optimization of mechanical product design parameters are realized. (5) the parameterized variant design technology is studied, and the principle of parameterized model driving is summarized. The rapid generation of serialized product model is realized. (6) the optimization technology of parametric engineering drawing is studied. The automatic generation of engineering drawings according to national and enterprise standards is realized. (7) the architecture of client / server / workstation is constructed. The rapid optimization design of mechanical products in LAN is realized. (8) SolidWorks 2010 is selected as the 3D CAD software SQL Server 2000 as the database management software Visual Basic 6.0 as the programming language, and the bridge crane end beam is taken as the research object. An example verification system is developed to verify the effectiveness and practicability of this method. The application of this method can improve the design efficiency, design quality and the degree of standardization of design, reduce the design cost and production cost of the product, and bring considerable economic benefits to the enterprise.
【学位授予单位】：中北大学
【学位级别】：硕士
【学位授予年份】：2011
【分类号】：TH122;TP391.72

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