数控专业毕业论文数控技术的应用.doc

毕业论文题目数控技术的应用专业数控加工与维护工程班级 07 大专数控(三)班学生 XXX 指导教师杨红朗西安工业大学函授部二00九年 1 摘要数控技术是当今世界制造业中的先进技术之一, 它涉及到计算机辅助设计和制造技术, 计算机模拟及仿真加工技术, 机床仿真及后置处理, 机械加工工艺, 装夹定位技术与夹具设计与制造技术, 金属切削理论, 以及毛坯制造技术等多方面的关键技术。数控技术及数控机床在当今机械制造业中的重要地位和巨大效益, 显示了其在国家基础工业现代化中的战略性作用。数控技术是发展数控机床和先进制造技术的最关键技术, 并已成为传统机械制造工业提升改造和实现自动化、柔性化、集成化生产的重要手段和标志, 应用数控技术是提高制造业的产品质量和劳动生产率必不可少的重要手段。数控机床作为数控技术实施的重要装备, 成为提高加工产品质量, 提高加工效率的有效保证和关键。数控技术及数控机床的广泛应用, 给机械制造业的产业结构、产品种类和档次以及生产方式带来了革命性的变化。制造业快速发展和产业结构调整, 使我国从传统的机械制造转变为现代的数控制造, 数控机床是现代加工车间最重要的装备。它的发展是信息技术(1T) 与制造技术(MT) 结合发展的结果。现代的 CAD/CAM 、 FMS 、 CIMS 、敏捷制造和智能制造技术,都是建立在数控技术之上的。掌握现代数控技术知识是现代机电类专业学生必不可少的。本次论文内容介绍了数控加工的特点、加工工艺分析以及数控编程的一般步骤。并通过一定的实例详细的介绍了数控加工工艺的分析方法。关键词: 数控技术机械制造加工工艺编程 1 目录第一章数控技术概论 数控技术·························································································· 2 数控加工特点及应用范围····································································· 3 数控机床的工作原理和结构································································· 3 机床的分类······················································································· 4 机床加工原理···················································································· 6 数控加工技术主要应用对象································································· 6 第二章数控加工工艺概述 数控加工工艺的基本特点····································································· 7 数控加工工艺的主要内容····································································· 7 第三章数控编程 数控编程的基本概念······································································· 10 数控车床常用基本编程指令································································· 10 第四章典型零件加工实例 加工工艺分析···················································································· 15 制定加工工艺卡················································································· 16 编写加工程序···················································································· 17 结束语致谢参考文献 2 第一章数控技术概论装备工业的技术水平和现代化程度决定着整个和现代化程度, 数控技术及装备是发展新兴高新技术产业和尖端工