【作者】 杨旭东；

【导师】 廖文和；

【作者基本信息】 南京航空航天大学 ， 航空宇航制造工程， 2003， 硕士

【摘要】 随着计算机在制造业中的广泛应用，作为计算机辅助设计与制造(CAD/CAM)技术的重要组成部分，数控加工自动编程技术成为了现代制造技术中降低生产成本、提高生产效率的重要环节之一。 本文以江苏省2001年重大科技攻关计划(工业)科技计划项目中提出研究高精度高速机床及其配套软件的课题为背景，研究了在开发一个数控加工车削自动编程系统过程中所涉及的关键算法和技术。通过对IGES和STEP等产品数据交换标准的探讨，尤其是对应用广泛的DXF的深入分析，建立了与不同CAD系统实现数据共享的编程接口；根据零件的不同加工特征提出了相应的走刀路线，并通过机床配置文件，初步实现了通用后置处理；研究了数控系统和NC代码的特点，建立了仿真通用接口，并提出代码翻译地基本思路。 最后，从软件工程的角度出发，采用面向对象的方法设计并实现了该自动编程系统。在与仿真系统的集成使用中，工作稳定，提高了NC代码生成的效率。更多还原

【Abstract】 With the Wide application of Computer in manufacturing, the NC machining Auto programming, which is an important component of Computer-Aided Design and Computer-Aided Manufacturing (CAD/CAM), has been the key technology to improve the productivity and create more economic benefits in modern manufacturing.From the view of supporting the project of Jiangsu scientific technology, the key algorithms and technologies are deeply investigated during developing a NC machining Auto programming system for NC lathing, which is introduced in this paper. Based on the study of IGES; STEP, especially the study of DXF, a program interface is developed, by which the data can be shared among different CAD systems. According to the different Characters, the respective tool paths are designed. And by a machine configure file, the General postposition process is deal with. On the research of the general simulation technology that is based on the NC codes. By analyzing the characteristics of the CNC system and the NC codes, a set of general simulation interface is developed.Last, under the direction of OO-SE, analyze and design the NC machining Auto programming system. The system has deeply improved the generating efficiency of NC code更多还原