Assessing geometrical errors of multi-axis machines by three-dimensional length measurements

G.H.J. Florussen, F.L.M. Delbressine, M.J.G. Molengraft, van de, P.H.J. Schellekens

Research output: Contribution to journalArticleAcademicpeer-review

77 Citations (Scopus)


In this paper a method is presented for assessing geometrical errors of multi-axis machines based on volumetric three-dimensional length measurements. A universal machine error model is proposed since a large variety of machine configurations exists. Such models can be used for software error compensation techniques in order to improve the machine’s positioning behaviour as well as for diagnostic purposes. Length measurements are chosen for the measurement of the positioning errors of a multi-axis machine because these measurements can be executed in a short period of time in a relatively simple way combined with a high accuracy. In order to get comparable results for the geometrical errors as measured with conventional techniques, i.e., laser interferometry, the design of the measurement setup as well as the formulation of the machine error model (including parameter correlation effects) appeared to be of major importance and are subject of this paper.
Original languageEnglish
Pages (from-to)241-255
JournalMeasurement: Journal of the International Measurement Confederation
Issue number4
Publication statusPublished - 2001


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