在华中I型数控系统上开发了曲面数控仿型系统,分析了数控仿型系统的硬件和软件体系结构,讨论了其中的关键技术,实现了仿型加工实时多任务控制,并针对仿型加工中的测头跟随控制问题,介绍速度圆矢量分解的算法。%This paper discusses key techniques,real time and multitask control in profiling on the platform of Huazhong NC system. An algorithm of rate circle is presented for the control of a probe tracking the profiling of an object.
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