Application of articulated arm coordinate measuring machine in industrial measurement field

Knuckle arm CMM is a widely used standard in the field of industrial measurement. In this paper, the calibration of knuckle arm CMM and the industrial application of knuckle arm CMM are introduced. The calibration of articulated arm coordinate measuring machine can help us to know its measurement accuracy. This paper introduces the matters needing attention in the calibration process in detail. Knuckle-arm CMM is mainly used in automobile industry, heavy industry, surface inspection, blade measurement, casting blank inspection, reverse engineering and cultural relic digitization. This paper analyzes its application in automobile industry as a case.