Investigation into the accuracy of a proposed laser diode based multilateration machine tool calibration system

Fletcher, Simon, Longstaff, Andrew P. and Myers, Alan (2005) Investigation into the accuracy of a proposed laser diode based multilateration machine tool calibration system. Journal Paper of Physics: Conference Series, 13. pp. 398-401. ISSN 1742-6588

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Abstract

Geometric and thermal calibration of CNC machine tools is required in modern machine shops with volumetric accuracy assessment becoming the standard machine tool qualification in many industries. Laser interferometry is a popular method of measuring the errors but this, and other alternatives, tend to be expensive, time consuming or both. This paper investigates the feasibility of using a laser diode based system that capitalises on the low cost nature of the diode to provide multiple laser sources for fast error measurement using multilateration. Laser diode module technology enables improved wavelength stability and spectral linewidth which are important factors for laser interferometry. With more than three laser sources, the set-up process can be greatly simplified while providing flexibility in the location of the laser sources improving the accuracy of the system.

Item Type:	Article
Additional Information:	© 2005 IOP Publishing Ltd
Uncontrolled Keywords:	Laser diodes, multilateration
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics
Schools:	School of Computing and Engineering School of Computing and Engineering > Centre for Precision Technologies School of Computing and Engineering > Centre for Precision Technologies > Engineering Control and Machine Performance Research Group
References:	Automated Precision Inc, Rockville, Maryland, USA, ‘http://www.apisensor.com’ [2] Longstaff A P, Postlethwaite S R and Ford D G 2001 Assesment of the volumetric accuracy of a machine with geometric compensation Laser metrology & machine perfrmance V 41-50. [3] Schmitz T, Ziegert J, 2000, Dynamic evaluation of spatial CNC contouring accuracy, Precision Engineering 24, Issue 2 99-118 [4] Stone J A, Stejskal A and Howard L, 1999 Diode lasers in length metrology: application to absolute distance interferometry Int. Journal of Metrology. [5] Takaaki H, Mamoru H and Hideki N 2001 Wavelength-stable laser diode and photodiode array for laser interferometer positioning systems Yokogawa technical report english edition 32. [6] MAOS 2003 Diode Pumped Nd:YAG-Laser, technical article ‘www.meos.com/Basic.htm’. [7] Kim S W, Rhee H G and Chu J Y, 2003, Volumetric phase-measuring interferometer for threedimensional coordinate metrology, Precision Engineering 27 205–15.
Depositing User:	Briony Heyhoe
Date Deposited:	18 Jul 2007
Last Modified:	29 Mar 2018 10:31
URI:	http://eprints.hud.ac.uk/id/eprint/295

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