作为制造环境中验证过程的主要方法，坐标测量机正变得越来越重要。目前的实践要求对三坐标测量机进行量规重复性和再现性研究，以评估测量设备消耗的公差百分比。三坐标测量机非常快速地检查许多特性，这导致了一个非常耗时的过程来评估系统。本文介绍了一种方法，该方法作为一种简单的评估方法，用于测试CMM项目是否准备好执行GR&R或需要改进。本文还提出了一种改进CMM能力的方法。

THE COORDINATE MEASURING MACHINE IS GAINING IMPORTANCE AS THE PRIMARY METHOD OF VERIFYING PROCESSES IN A MANUFACTURING ENVIRONMENT. CURRENT PRACTICE REQUIRES THAT THE CMM BE SUBJECTED TO A GAGE REPEATABILITY AND REPRODUCIBILITY STUDY TO EVALUATE THE PERCENTAGE OF TOLERANCE CONSUMED BY THE MEASUREMENT DEVICE. A CMM CHECKS MANY CHARACTERISTICS VERY QUICKLY WHICH RESULTS IN A VERY TIMES PROCESS TO EVALUATE THE SYSTEM. THIS PAPER ADDRESSES A METHODOLOGY THAT ACTS AS A SIMPLE EVALUATION METHOD TO TEST WHETHER THE CMM PROGRAM IS READY TO HAVE A GR&R PERFORMED OR NEEDS TO BE IMPROVED. IT ALSO PROPOSES A METHODOLOGY TO IMPROVE THE CAPABILITY OF THE CMM.