Principles for selection of coordinate measuring machines – a case study

Abstract

In this paper are presented the principles for selecting a coordinates measuring machine in order to accomplish the requirements of the workshop or laboratory where it is used. The present work is structured on two parts according the below presented structure. In the first part are presented the usually criteria for the selection of this machine type, the verification of the measuring uncertainty, the tolerances of the measurements and some final considerations. In the second part is presented the practical realization of two acceptance tests, made on the coordinates measuring machine. The conclusions obtained based on these tests allow to sentence that the coordinates measuring machine functions at the parameters provided by supplier and still may be used for the research work, fully assuring the precision and accuracy demanded by this activity type.