52. Miniature rotary tables with piezoelectric hemispheres: research and development

R. Bansevičius1, A. Bubulis2, V. Jūrėnas3, G. Kulvietis4, D. Mažeika5

1, 2, 3Kaunas University of Technology, Institute of Mechatronics,
Kęstučio 27, LT-44312 Kaunas, Lithuania

4, 5Vilnius Gediminas Technical University, Saulėtekio al. 11, LT-10223 Vilnius, Lithuania

1Corresponding author

E-mail: 1ramutis.bansevicius@ktu.lt, 2algimantas.bubulis@ktu.lt, 3vytautas.jurenas@ktu.lt, 4gk@vgtu.lt, 5dalius.mazeika@vgtu.lt

(Received 25 May 2014; received in revised form 15 July 2014; accepted 30 July 2014)

Abstract. The aim of this research is to develop and investigate two modifications of high resolution miniature rotary tables, based on the transformation of 3D resonant oscillations of hemisphere actuators into continuous or start-stop motion of contacting rotary table. To generate 3D resonant oscillations of the contacting points, the electrodes of the actuators are sectioned into several parts, enabling the generation of traveling wave type higher forms of oscillations. The results of modeling of hemisphere actuators are presented together with experimental investigation of resolution and response time. It is shown that axial oscillations of the table and its torsional oscillations can be generated, extending the functionality of the devices.

Keywords: piezoelectric transducer, high resolution control, rotary table, traveling waves, hemisphere transducers.

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Cite this article

Bansevičius R., Bubulis A., Jūrėnas V., Kulvietis G., Mažeika D. Miniature rotary tables with piezoelectric hemispheres: research and development. Journal of Measurements in Engineering, Vol. 2, Issue 3, 2014, p. 140‑144.

 

Journal of Measurements in Engineering. September 2014, Volume 2, Issue 3
© JVE International Ltd. ISSN Print 2335-2124, ISSN Online 2424-4635, Kaunas, Lithuania