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1、内蒙古科技大学高等职业技术学校毕业设计摘 要制造业是我国国民经济的支柱产业，其增加值约占我国国内生产总值的 40%以上，而先进的制造技术是振兴制造业系统工程的重要组成部分。数控技术又是其核心技术，他的出现及所带来的巨大效益，已引起了世界各国科技与工业界的普遍重视。数控机床是现代机械工业的重要技术装备，也是先进制造技术的基础装备。目前，几乎所有传统机床都有了数控机床品种。数控技术极大地推动了计算机辅助设计、计算机辅助制造、柔性制造系统、计算机集成制造系统、虚拟制造系统和敏捷制造的发展，并为实现绿色制造打下了基础，而且数控机床逐渐成为机械工业技术改造的首选设备。数控技术的应用不但给传统制造业带来了
2、革命性的变化，使制造业成为工业化的象征，而且随着数控技术的不断发展和应用领域的扩大，他对国计民生的一些重要行业（it、汽车、轻工、医疗等）的发展起着越来越重要的作用，因为这些行业所需装备的数字化已是现代发展的大趋势。关键词：数控 工业发展 刀具 机床内蒙古科技大学高等职业技术学校毕业设计AbstractManufacturing is the pillar of the national economy industry, the added value of its gross domestic product in China accounts for about 40%, and adv
3、anced manufacturing technology manufacturing system is the important component of the project of. Numerical control. technology is the core technology, he emerged and brings the huge benefits, has caused the countries all over the world paid attention to science and technology and industry. Numerica
4、l control machine tool is the modern machinery industry of important technical equipment, advanced manufacturing technology and the basic equipment. Now, almost all the traditional machine has the numerical control machine tool varieties. Numerical control technology greatly promote the computer aid
5、ed design, computer aided manufacturing, flexible manufacturing system, computer integrated manufacturing system, virtual manufacturing system and agile manufacturing development, and to realize the green manufacturing and lay the foundation, and the numerical control machine tool gradually become m
6、achinery industry technical renovation the device of choice. Not only the numerical control technology application for the traditional manufacturing industry has brought the revolutionary change, make the manufacturing industry to become the symbol of industrialization, and along with numerical cont
7、rol technology unceasing development and application domain expansion, he and the peoples livelihood of some important industry (it, automobile, light industrial, medical and so on) development plays a more and more important role, because these industry equipment it needs the digitization already i
8、s the modern development trends.Key words: the numerical control machine tool industry development内蒙古科技大学高等职业技术学校毕业设计目录绪论 .5第一章 零件的工艺分析 .31.1 零件图的审查分析 .31.1.1 零件图的完整性与正确性 .31.2 零件的材料分析 .31.3 分析零件的技术要求 .41.4 合理的标注尺寸 .41.5 确定加工方法 .41.6 工艺设备的选择原则 .61.6.1 量具的选择 .61.7 夹具的选用 .71.8 刀具的选择： .71.8.1 选用数控铣刀时的注意事项 .71.9 对刀点与换刀点位置的确定 .81.10 车削用量计算 .91.10.1 背吃刀量 Ap.91.10.2 进给量 f .91.10.3 铣刀切削用量的选择 .91.10.4 计算切削用量 .111.11 工序与工部的划分 .161.11 加工路线的确定 .171.11.1 表面加工方法选择 .171.11.2 工序的集合与分散 .171.11.3 表面加工顺序的确定 .171.11.4 划分阶段 .181.12 定位基准的选择 .181.12.1 精基准的选择原则 .18内蒙
