Sensors 2009, 9(10), 7622-7647; doi:10.3390/s91007622

A Real-Time Tool Positioning Sensor for Machine-Tools

1,* email, 1email, 1email, 1email, 2email, 2email and 2email
Received: 4 August 2009; in revised form: 2 September 2009 / Accepted: 3 September 2009 / Published: 28 September 2009
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Spain)
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Abstract: In machining, natural oscillations, and elastic, gravitational or temperature deformations, are still a problem to guarantee the quality of fabricated parts. In this paper we present an optical measurement system designed to track and localize in 3D a reference retro-reflector close to the machine-tool’s drill. The complete system and its components are described in detail. Several tests, some static (including impacts and rotations) and others dynamic (by executing linear and circular trajectories), were performed on two different machine tools. It has been integrated, for the first time, a laser tracking system into the position control loop of a machine-tool. Results indicate that oscillations and deformations close to the tool can be estimated with micrometric resolution and a bandwidth from 0 to more than 100 Hz. Therefore this sensor opens the possibility for on-line compensation of oscillations and deformations.
Keywords: tool localization; laser-tracking; machine-tool; oscillation and deformation measurement; interferometry
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Ruiz, A.R.J.; Rosas, J.G.; Granja, F.S.; Honorato, J.C.P.; Taboada, J.J.E.; Serrano, V.M.; Jimenez, T.M. A Real-Time Tool Positioning Sensor for Machine-Tools. Sensors 2009, 9, 7622-7647.

AMA Style

Ruiz ARJ, Rosas JG, Granja FS, Honorato JCP, Taboada JJE, Serrano VM, Jimenez TM. A Real-Time Tool Positioning Sensor for Machine-Tools. Sensors. 2009; 9(10):7622-7647.

Chicago/Turabian Style

Ruiz, Antonio Ramon J.; Rosas, Jorge G.; Granja, Fernando S.; Honorato, Jose Carlos P.; Taboada, Jose Juan E.; Serrano, Vicente M.; Jimenez, Teresa M. 2009. "A Real-Time Tool Positioning Sensor for Machine-Tools." Sensors 9, no. 10: 7622-7647.

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