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Impact of measurement procedure when error mapping and compensating a small CNC machine using a multilateration laser interferometer

Linares, J-M, Chaves-Jacob, J, Schwenke, H, Longstaff, Andrew P., Fletcher, Simon, Flore, J, Uhlmanne, E and Winteringe, J (2014) Impact of measurement procedure when error mapping and compensating a small CNC machine using a multilateration laser interferometer. Precision Engineering, 38 (3). pp. 578-588. ISSN 0141-6359

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Abstract

This paper deals with the accuracy of compensation of machine tools using a tracking interferometer using the multilateration method. The measurement strategy and thermal drift compensation of the measurements are studied. It shows that most effects of temperature are accurately compensated by the laser tracking interferometer software. However, thermal drifts of accessories are not taken into account, and are therefore not corrected. To validate the robustness of procedures, the geometrical errors of the same machine tool were measured by five measurement strategies using the same equipment. Each strategy is devised and carried out independently by a different person from several institutions. For each strategy, the geometrical compensations were applied to a set of nominal toolpath points. The difference, between the nominal points and the compensated or uncompensated points was calculated. This criterion was used to discuss the procedures employed by the participants.

Item Type: Article
Subjects: T Technology > TJ Mechanical engineering and machinery
Schools: School of Computing and Engineering > Centre for Precision Technologies > EPSRC Centre for Innovative Manufacturing in Advanced Metrology
School of Computing and Engineering > Centre for Precision Technologies > Engineering Control and Machine Performance Research Group
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Depositing User: Helene Pickles
Date Deposited: 11 Mar 2014 15:37
Last Modified: 17 Jul 2014 08:14
URI: http://eprints.hud.ac.uk/id/eprint/19799

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