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1、湖湖 南南 涉涉 外外 经经 济济 学学 院院本科毕业论文（设计）本科毕业论文（设计）题目题目心形零件凹模的数控编程及 仿真加工作者作者学院学院专业专业学号学号指导教师指导教师二 一 五 年 五 月 二十五 日湖南涉外经济学院本科毕业论文（设计）诚信声明本人声明：所呈交的本科毕业论文（设计）是本人在指导老师的指导下，独立开展工作所取得的成果，成果不存在知识产权争议，除文中已经注明引用的内容外，本论文不含任何其他个人或集体已经发表或创作过的作品成果。对本文工作做出重要贡献的个人和集体均已在文中以明确方式标明。本人完全意识到本声明的法律结果由本人承担。本科毕业论文（设计）作者签名：二一五 年 五
2、月 二十五 日I摘摘 要要随着数控技术的发展，数控技术给传统制造业带来了革命性的变化，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，它对一些重要行业的发展起着越来越重要的作用。随着科技的发展，数控技术也在不断的发展更新，现在数控技术也称计算机数控技术，随着加工软件的更新，CAD/CAM 成为了一项实践性很强的技术，如 UG , PRO/E , MasterCAM ,CAXA 制造工程师等。数控技术是技术性极强的工作，尤其在模具领域应用最为广泛，所以这要求从业人员具有很高的机械加工工艺知识，数控编程知识和数控操作技能。本论文主要通过对复杂零件的数控工艺分析与加工，综合所学的
3、专业知识，全面考虑可能影响铣削的因素，设计其加工工艺和编辑程序，完成要求。关键词：关键词：数控；模具设计；仿真加工；UG、CAD/CAM 技术IIABSTRACTWith the development of numerical control technology, numerical control technology for the traditional manufacturing industry has brought the revolutionary change, manufacturing has become the symbol of industrializatio
4、n,and with the development of technology and application domain expansion. It is important to some of the development of industry that plays a more and more important role. With the development of science and technology, numerical control technology is in the development of updates. Now, numerical c
5、ontrol technology are called computer numerical control technology. The application of CAD/CAM is a practical technique, like UG, PRO/E, Master CAM, CAXA manufacturing engineers, etc.Numerical control technology is highly technical work, especially in the mold domain. Practitioners requires high mac
6、hining technology knowledge, CNC programming knowledge and skills.This text based on the analysis of nc craft and machining, comprehensive knowledge of professional knowledge, comprehensive consideration the influence factors of milling process, design the craft and editing program, complete require
7、ments Follow the plastic mold industry fast development, mobile phone shell, audio, mobile power, U disk, display these electronic products need to use much of the plastic mold design and production can be carried out in the country. In the aspect of precision plastic parts, precision has reached IT
8、6-IT7 level, the general level of roughness can reach Ra0.01-0.025 m, the life of injection mold are also can be up to one million times. In the process of mould design and manufacturing, CAD and CAM techniques are often applied, in addition, hot runner injection technology is used more widely.Keywo
9、rds: mobile phone shell; numerical control nc; plastic mold design; machining simulation; UG; CAD/CAM TechnologyIII目目 录录诚信声明诚信声明.I摘要摘要.IIAbstract.III第一章第一章 绪论绪论.11.1 研究的背景.1 1.2 研究的意义.2 1.3 论文结构.2第二章第二章 零件设计及零件设计及 MasterCAM 参数设置参数设置.32.1 零件数控加工分析.3 2.1.1 零件分析.3 2.1.2 工艺分析.3 2.1.3 工序安排.3 2.2 心形凹模加工工序表.4 2.2.1 加工参数设置.4 2.2.2 平面加工.5 2.2.3 凹槽粗加工.8 2.2.4 凹槽侧壁精加工.12 2.2.5 生成的部分 NC 代码（详细代码请见附录 A）.14第三章第三章 机床的数控仿真机床的数控仿真.
