Assessing thermally induced errors of machine tools using a telescopic double ball bar

F.L.M. Delbressine, G.H.J. Florussen, L.A. Schijvenaars, P.H.J. Schellekens

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

A new measurement technique is proposed for the assessment of thermally induced errors of machine tools. The basic idea is to measure changes of length by a telescopic double ball bar at multiple locations in the machine's workspace while the machine is thermally excited with various duty cycles. In addition to the measurement method, a thermal machine error model is proposed for software error compensation purposes to enhance the machine's positioning accuracy significantly. This model describes the relative positioning error of the tool with respect to the workpiece table as a function axis position and temperature. Numerous validation measurements reveal that about 60% of the thermally induced errors can be described by the thermal error model proposed.
Original languageEnglish
Title of host publicationProceedings of the 4th EUSPEN international conference : May 31 - June 2, 2004, Glasgow, UK
EditorsD. Chetwynd
Pages366-367
Publication statusPublished - 2004

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Machine tools
Error compensation
Temperature
Hot Temperature

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Delbressine, F. L. M., Florussen, G. H. J., Schijvenaars, L. A., & Schellekens, P. H. J. (2004). Assessing thermally induced errors of machine tools using a telescopic double ball bar. In D. Chetwynd (Ed.), Proceedings of the 4th EUSPEN international conference : May 31 - June 2, 2004, Glasgow, UK (pp. 366-367)
Delbressine, F.L.M. ; Florussen, G.H.J. ; Schijvenaars, L.A. ; Schellekens, P.H.J. / Assessing thermally induced errors of machine tools using a telescopic double ball bar. Proceedings of the 4th EUSPEN international conference : May 31 - June 2, 2004, Glasgow, UK. editor / D. Chetwynd. 2004. pp. 366-367
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title = "Assessing thermally induced errors of machine tools using a telescopic double ball bar",
abstract = "A new measurement technique is proposed for the assessment of thermally induced errors of machine tools. The basic idea is to measure changes of length by a telescopic double ball bar at multiple locations in the machine's workspace while the machine is thermally excited with various duty cycles. In addition to the measurement method, a thermal machine error model is proposed for software error compensation purposes to enhance the machine's positioning accuracy significantly. This model describes the relative positioning error of the tool with respect to the workpiece table as a function axis position and temperature. Numerous validation measurements reveal that about 60{\%} of the thermally induced errors can be described by the thermal error model proposed.",
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Delbressine, FLM, Florussen, GHJ, Schijvenaars, LA & Schellekens, PHJ 2004, Assessing thermally induced errors of machine tools using a telescopic double ball bar. in D Chetwynd (ed.), Proceedings of the 4th EUSPEN international conference : May 31 - June 2, 2004, Glasgow, UK. pp. 366-367.

Assessing thermally induced errors of machine tools using a telescopic double ball bar. / Delbressine, F.L.M.; Florussen, G.H.J.; Schijvenaars, L.A.; Schellekens, P.H.J.

Proceedings of the 4th EUSPEN international conference : May 31 - June 2, 2004, Glasgow, UK. ed. / D. Chetwynd. 2004. p. 366-367.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

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AB - A new measurement technique is proposed for the assessment of thermally induced errors of machine tools. The basic idea is to measure changes of length by a telescopic double ball bar at multiple locations in the machine's workspace while the machine is thermally excited with various duty cycles. In addition to the measurement method, a thermal machine error model is proposed for software error compensation purposes to enhance the machine's positioning accuracy significantly. This model describes the relative positioning error of the tool with respect to the workpiece table as a function axis position and temperature. Numerous validation measurements reveal that about 60% of the thermally induced errors can be described by the thermal error model proposed.

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Delbressine FLM, Florussen GHJ, Schijvenaars LA, Schellekens PHJ. Assessing thermally induced errors of machine tools using a telescopic double ball bar. In Chetwynd D, editor, Proceedings of the 4th EUSPEN international conference : May 31 - June 2, 2004, Glasgow, UK. 2004. p. 366-367