This paper discusses a PC-NC system based on PC bus and some relevant key technologies, and presents a method of realization of dispatching real-time tasks in the software part of system.
讨论了一种基于PC总线的PC数控系统的结构及其有关的关键技术问题，并提出了该结构下数控系统软件的一种实时控制任务调度的面向对象实现方法。
The software is self independent and can fulfill tasks like error checking and NC code's formula forming automatically according to the characters of NC programming.
该功能软件模块化强，针对数控代码特点，可实时生成代码格式符并自动进行错误检查。
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