Author(s)

D.G. Ford

Abstract

Ths paper outlines the detailed investigations that have been undertaken to avoid, measure and correct for process errors that affect the volumetric accuracy of machine tools. The areas examined include the CNC machme tool design, assembly and calibration phases of build. Complete machines and constituent elements of machines were investigated for the determination of geometric, load and thermal errors. The correction methods discussed are mainly of the pre-calibration type. 1 Introduction The Centre of Precision Technologies (CPT) provides services and support to industry as well as an outlet for the research activities. It undertakes contract research sponsored by bodies such as DTI, EPSRC, industrial and European sources. The CPT research activity is d

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