Some performance characteristics of a multi-axis touch trigger probe

Abstract

This paper examines the errors of a TP2-5W touch trigger probe using measurements performed with a three-axis co-ordinate measuring machine (CMM). Of the `user-selected properties' which can affect the accuracy of measurements, those examined are the direction of approach, the stylus length and diameter, the measuring speed, the approach distance, the location of the workpiece, the orientation of the workpiece and the mounting of the stylus stem.