Author(s)

A. D. Hope & D. M S. Blackshaw

Abstract

The application of artefacts and lasers to performance verification of co-ordinate measuring machines A.D. Hope' & D.M.S. Blackshaw* ' Faculty of Technology, Southampton Institute, UK ^ Intelligent Information Technology Ltd, UK Abstract In order to meet the ever increasing demands on product quality it is essential that the accuracy of Co-ordinate Measuring Machines (CMMs) are regularly monitored and their stated performance levels are verified against accepted standards. Performance verification testing is currently carried out according to a number of international standards, of which the most widely used in Europe is ISO 10360, Part 2. This Standard specifies a wide range of mechanical artefacts for CMM performance verification and this can cause some confusion amongst CMM users. Also it is difficult to verify the performance of CMMs with working volumes in excess of one cubic metre using existing artefacts. In the machine tool industry performance verification testing usin

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