The open four-axis CNC system based on PC and motion control card can accomplish the cutting of various-angle welding plate.
并以基于PC和运动控制卡的开放式四轴数控系统实现支管端头的变角度焊接坡口面切割。
To adapt to the trend in development of open CNC system and modem manufacture technique, a CNC principle experimental instructional system based on PC is developed.
为适应开放式数控系统及现代制造技术的发展趋势，开发研制了基于PC机的数控原理实验教学系统。
The paper introduces background of open CNC system-PCNC based on PC.
介绍了以PC为基础的开放式数控系统——PCNC的产生背景；
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