KA-50数控座标测量机用于自动测量工件的线性尺寸与理论形状之间的偏差。它不仅能测量工件,而且能修正机床的加工程序;它既可单独使用,又可用于机床—测量机系统中,测量误差在±0.03毫米以内。本文叙述了此种测量机的构造原理、技术性能、调整方法和使用特点,说明了它的测量原理、测量方法、精度和应用范围,特别是介绍了针对此种测量研究出的一种动态误差修正法。 KA-50 CNC Coordinate Measuring Machine is used to automatically measure the deviation between the linear dimension of the workpiece and the theoretical shape. It not only measures the workpiece but also corrects the machine’s machining program; it can be used alone or in a machine-measuring system with a measurement error of ± 0.03 mm. This article describes the construction principle, technical performance, adjustment methods and characteristics of the measuring machine, explains its measurement principle, measurement method, accuracy and application range, especially introduces a kind of dynamic error Amendment Act.