数控机床的数字化全闭环控制

针对发展国产高精度数控机床的需求，提出一种数字化全闭环控制方法，开发出新型数字化全闭环位置控制系统，实现了以数字驱动、数字检测和数字位控为特征的全数字化刀具轨迹控制，有效保证了数控机床的加工精度。该系统已在多种国产数控机床上进行了应用，在复杂精密零件加工方面取得良好效果。

Digitized Closed Loop Control of NC Machine Tools

According to the request by developing high accuracy NC machine tools,a digitized closed loop control method is presented and a new kind of position control system with fully digitized closed loop based on that method is developed.In this way,the fully digitized control of cutter trajectory is implemented with the features of digitized driving,digitized measuring and digitized position control,so that the machining accuracy of the NC machine tools is effectively assured.This system has been used on varieties of NC machine tools and very good results have been obtained in the machining of complex precision parts.