Laser assisted turning (LAT) is one of the advanced machining technologies,which uses laser power to heat the surface of a workpiece before the material is removed.It has several advantages of low manufacturing costs,...Laser assisted turning (LAT) is one of the advanced machining technologies,which uses laser power to heat the surface of a workpiece before the material is removed.It has several advantages of low manufacturing costs,high productivity and high qualities to machine difficult-to-cut materials such as silicon nitride,mullite,zirconia and Ni.A large part of studies on LAT have been focused on a round bar.With increasing demands for high quality products and high performance engineering system,the researches on LAT for clover and square section members are necessary.But,these workpieces are impossible to be machined on conventional CNC lathe and to generate NC code with current CAM softwares.As a basic research for combining LAT with a tilting index table type 5-axis machining center,i.e.laser assisted turn-mill,a new method is suggested to generate NC code that can process various types of clover and square section members through development of C++ program.展开更多
以数控系统NC代码解释器为研究对象,探索了一种面向开放式数控系统NC代码解释器的设计与实现方法。通过引入Regex技术作为词法、语法和语义分析的工具;使用所谓委托调用插补函数的方式,在Visual Studio 2005开发平台上实现了一种面向开...以数控系统NC代码解释器为研究对象,探索了一种面向开放式数控系统NC代码解释器的设计与实现方法。通过引入Regex技术作为词法、语法和语义分析的工具;使用所谓委托调用插补函数的方式,在Visual Studio 2005开发平台上实现了一种面向开放式数控系统NC代码解释器。这种解释器能适用于不同类型的数控系统,具有很强的通用性和兼容性。实例NC代码验证了由所述设计和实现方法实现的开放式数控系统NC代码解释器的可行性。展开更多
提出了一种基于STEP-NC的数控车削加工仿真系统,该仿真系统能够验证STEP-NC数控程序、模拟实际系统运行。讨论了仿真系统的译码器、基于特征的加工数据库、实体建模以及仿真驱动等组成模块实现的关键技术和方法。介绍了仿真系统的建模工...提出了一种基于STEP-NC的数控车削加工仿真系统,该仿真系统能够验证STEP-NC数控程序、模拟实际系统运行。讨论了仿真系统的译码器、基于特征的加工数据库、实体建模以及仿真驱动等组成模块实现的关键技术和方法。介绍了仿真系统的建模工具V isua l C++和O penGL。最后指出了本文研究对于STEP-NC数控加工研究的意义。展开更多
基金Project(2011-0017407)supported by the National Research Foundation of Korea(NRF)funded by Korea government(MEST)
文摘Laser assisted turning (LAT) is one of the advanced machining technologies,which uses laser power to heat the surface of a workpiece before the material is removed.It has several advantages of low manufacturing costs,high productivity and high qualities to machine difficult-to-cut materials such as silicon nitride,mullite,zirconia and Ni.A large part of studies on LAT have been focused on a round bar.With increasing demands for high quality products and high performance engineering system,the researches on LAT for clover and square section members are necessary.But,these workpieces are impossible to be machined on conventional CNC lathe and to generate NC code with current CAM softwares.As a basic research for combining LAT with a tilting index table type 5-axis machining center,i.e.laser assisted turn-mill,a new method is suggested to generate NC code that can process various types of clover and square section members through development of C++ program.
文摘以数控系统NC代码解释器为研究对象,探索了一种面向开放式数控系统NC代码解释器的设计与实现方法。通过引入Regex技术作为词法、语法和语义分析的工具;使用所谓委托调用插补函数的方式,在Visual Studio 2005开发平台上实现了一种面向开放式数控系统NC代码解释器。这种解释器能适用于不同类型的数控系统,具有很强的通用性和兼容性。实例NC代码验证了由所述设计和实现方法实现的开放式数控系统NC代码解释器的可行性。
文摘提出了一种基于STEP-NC的数控车削加工仿真系统,该仿真系统能够验证STEP-NC数控程序、模拟实际系统运行。讨论了仿真系统的译码器、基于特征的加工数据库、实体建模以及仿真驱动等组成模块实现的关键技术和方法。介绍了仿真系统的建模工具V isua l C++和O penGL。最后指出了本文研究对于STEP-NC数控加工研究的意义。
