经济型数控机床的半闭环补偿控制

Semi Close Loop Compensation Control of Economical NC Machine Tool

概述了影响经济型数控系统工作精度的因素。应用光电编码器作为滚珠丝杠转角位置检测元件实现了半闭环补偿控制，提高了系统的精度。

The effective factors on working accuracy of economical NC machine tool have been summarized in this paper. The photoelectric encoder is used for measuring the angular position of rotating ballscrew. Semi closed loop compensation control is realized and system accuracy is improved.