机械计算机辅助技术(CAD)及其发展趋势

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姓名：尹光辉 学号:20120334622班级：数控122机械计算机辅助技术(CAD)及其发展趋势Computer aided technology (CAD) and itsdeveloping trend摘要 CAD技术发展的主要趋势是标准化、集成化、智能化、网络化、并行工程、虚拟技术及多学科多功能综合产品设计技术等。针对现阶段我国机械制造业 现状，系统地分析了我国机械制造业发展趋势及CAD/CAM技术的要求，对国内外各种 CAD/CAM软件的特点及其应用坏境进行了分析，指出了 CAD/CAM系统应用的选型原则及 开发原则，阐述了 CAD/CAM技术的发展及应用对我国机械制造业的意义所在。研究我 国机械行业CAD/CAM技术应用现状，探讨其发展前景，对加快我国机械行业CAD/CAM 技术推广应用步伐，提高我国机械制造业的国际竞争力具有深远意义。Abstract The main trend of the development of CAD technology isstanddrdizdtion, integration, intelligenee, networking, concurrent engineering, virtual technology and multi - subject and multifunctional in tegrated product desig n tech no] ogy, etc.. For the prese nt stage Chinas machinery manufacturing industry present situation, systematica]ly analyzes China's machinery manufacturing industry development trend and CAD / CAM technology requirements, the characteristics and the application environment of domestic and foreign CAD / CAM software are analyzed and pointed out that the application of CAD / CAM system of the selection principle and the developmenl, elaborated the CAD / CAM technology development and application of China/ s machinery menufacturing industry of significanee. Study of China machinery industry present situation of CAD / CAM technology, discuss the development prospects and to accelerate the China Machinery Industry CAD / CAM technology, the pace of tho popularization and application, to improve China's machincry manufactuning industry's international competitiveness has far-reaching significance.【关键词】：CAD/CAM机械制造业 发展趋势[Keywords]: CAD/CAM machinery manufacturing industry trends0引言CAD是英文名"Computer Aided Design”的缩写，其中文名为"计算机辅助设计”。 它是一种利用计算机辅助设计人员进行快速、高质、低设计成本、方便地完成产品设 计任务的现代设计技术。CAD/CAM/CAE R术是制造工程技术与计算机技术紧密结合、相 互渗透而发展起来的一项综合性应用技术，具有知识密集、学科交叉、综合性强、应 用范围广等特点。CAD/CAM/CAE技术是先进制造技术的重要组成部分，它的发展和应用 使传统的产品设计、制造内容和工作方式等都发牛了根木性的变化。CAD/CAM/CAE技术 已成为衡量一个国家科技现代化和工业现代化水平的重耍标志之一.0 IntroductionCAD is the abbreviation of the English name "Aided Design Computerz，, and its Chinese name is "'computer aided design. 〃 〃? It is a modern design technology which uses computer aided design persormel to carry out the design work quickly, high quality, low design cost and easy to finish product design task.. CAD / CAM / CAE technology is the【mirmfactirring engineering technology and computer technology combine closely, mutual penetration and developed a comprehensive application technology, with the characteristics of knowledge intensive, interdisciplinary, comprehensive, application scope wide. CAD/CAM/CAE technology is an important part of the advanced nidnufacturing technology, its developmer)t and application of the traditional product design, manufacturing content and work way have taken place fundamental changes. CAD/CAM/CAE technology has become an important symbol of the modernization of scienee and technology and the level of industry modernization.1 CAD技术发展概述CAD技术发展主要经历了以下阶段：20世纪50年代末一一CAD技术思想的起源； 20世纪60年代——极为简单的CAD系统;20川：纪70年代——以表面模型为特点的 自由 关 键 词： 机械 计算机辅助 技术 CAD 及其 发展趋势

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