The findings of a study on the optimization of Electric Discharge Machining(EDM)procedure for processing cylindrically shaped components with graphite electrodes are presented in this paper.Tool steel 90CrSi was the m...The findings of a study on the optimization of Electric Discharge Machining(EDM)procedure for processing cylindrically shaped components with graphite electrodes are presented in this paper.Tool steel 90CrSi was the material of choice for the study’s workpiece.Additionally,the Electrode Wear Rate(EWR)was chosen as the optimization problem’s objective function.An experiment using the Taguchi design was conducted to address this issue.Additionally,experiments were created and their outcomes were analyzed using the Minitab R19 program.The impact of the input process factors on EWR was investigated,including the powder concentration,the pulse on and off times,the servo current,and the servo voltage.Additionally,the best process variables for a minimal EWR were provided.展开更多
本文呈现了一个面向电火花加工的多轴数控系统的设计与实现。基于OSEC(open system environment for controller)标准的数控系统开放式结构设计思想,在分析电火花加工工艺和控制功能的基础上,构建了电火花数控系统的分层体系结构,根据...本文呈现了一个面向电火花加工的多轴数控系统的设计与实现。基于OSEC(open system environment for controller)标准的数控系统开放式结构设计思想,在分析电火花加工工艺和控制功能的基础上,构建了电火花数控系统的分层体系结构,根据任务的功能特性把控制系统划分成功能模块,通过功能模块配置和系统配置,实现不同加工对象的应用软件。同时介绍了电火花专用四轴运动控制器的设计,该控制器采用单片微处理器和专用运动控制芯片组成的双CPU结构,利用PCI总线接口芯片和共享内存实现与上下位机之间的高速通信。该控制系统经实际运行证明,性能稳定可靠,满足电火花数控加工的功能要求。展开更多
文摘The findings of a study on the optimization of Electric Discharge Machining(EDM)procedure for processing cylindrically shaped components with graphite electrodes are presented in this paper.Tool steel 90CrSi was the material of choice for the study’s workpiece.Additionally,the Electrode Wear Rate(EWR)was chosen as the optimization problem’s objective function.An experiment using the Taguchi design was conducted to address this issue.Additionally,experiments were created and their outcomes were analyzed using the Minitab R19 program.The impact of the input process factors on EWR was investigated,including the powder concentration,the pulse on and off times,the servo current,and the servo voltage.Additionally,the best process variables for a minimal EWR were provided.
文摘本文呈现了一个面向电火花加工的多轴数控系统的设计与实现。基于OSEC(open system environment for controller)标准的数控系统开放式结构设计思想,在分析电火花加工工艺和控制功能的基础上,构建了电火花数控系统的分层体系结构,根据任务的功能特性把控制系统划分成功能模块,通过功能模块配置和系统配置,实现不同加工对象的应用软件。同时介绍了电火花专用四轴运动控制器的设计,该控制器采用单片微处理器和专用运动控制芯片组成的双CPU结构,利用PCI总线接口芯片和共享内存实现与上下位机之间的高速通信。该控制系统经实际运行证明,性能稳定可靠,满足电火花数控加工的功能要求。