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A Real-Time Tool Positioning Sensor for Machine-Tools

AuthorsJiménez Ruiz, Antonio R. ; Guevara Rosas, Jorge; Seco Granja, Fernando ; Prieto Honorato, José Carlos; Esteve Taboada, José Juan; Micó Serrano, Vicente; Molina Jiménez, Teresa
Keywordstool localization
oscillation and deformation measurement
Issue DateOct-2009
PublisherMultidisciplinary Digital Publishing Institute
CitationSensors 9(10):7622-7647(2009)
AbstractIn 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.
Publisher version (URL)http://dx.doi.org/10.3390/s91007622
ISSNISSN 1424-8220
Appears in Collections:(IAI) Artículos
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