摘要
提出利用通用可编程控制器（ＰＬＣ）对旧式数控机床进行升级改造，并通过实例介绍了改造机床中可编程顺序控制的设计、编程等。
This paper introduces a numerical control system for lathe using 8031 single controller.The system functions and technical target,hardware circuit,software structure are introduced.The system has high accuracy,strong function,lower price and good reliablity.
关键词
数控机床
可编程控制器
机床改造
Single chip microcomputer\ \ Lathe\ \ Numerical control\ \ Close loop
