Modular test parts to assess the quality of computed tomography dimensional measurements – V. C. Nordelli et al.

X Ray CT/9

Abstract

This paper presents a set of modular test parts specially designed for the evaluation of the extraction operation using CT measuring systems. The motivation in developing the test parts was to individually quantify different types of CT-induced measurement errors and their influence on measurement results. The characteristics of the test parts and the evaluation procedure used to access different types of measurement errors are described. An experimental study using the test parts is included. Discussions on the use of the test parts for evaluating the metrological performance of CT systems are carried out.