Apart from contact micromanipulation, there exists a large variety of levitation techniques among which standing wave levitation will be proposed as a way to handle (sub)millimetric components. This paper will compare analytical formulas to calculate the order of magnitude of the levitation force. It will then describe digital simulation and experimental levitation setup. Stable levitation of various components (cardboard, steel washer, ball, ceramic capacity, water droplet) was shown along 5 degrees of freedom: The only degree of freedom that could not be mastered was the rotation about the symmetry axis of the acoustic field. More importantly, the present work will show the modification of the orientation of the radial force component in the presence of an object disturbing the acoustic field. This property can be used as a new feeding strategy as it means that levitating components are spontaneously pushed toward grippers in an acoustic plane standing wave.
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15 June 2011
Research Article|
June 16 2011
Acoustic wave levitation: Handling of components
Vincent Vandaele;
Vincent Vandaele
BEAMS Dpt.
Université Libre de Bruxelles
CP165/56 Avenue F.D. Roosevelt, 50–B-1050 Bruxelles, Belgium
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Alain Delchambre;
Alain Delchambre
BEAMS Dpt.
Université Libre de Bruxelles
CP165/56 Avenue F.D. Roosevelt, 50–B-1050 Bruxelles, Belgium
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Pierre Lambert
Pierre Lambert
a)
BEAMS Dpt.
Université Libre de Bruxelles
CP165/56 Avenue F.D. Roosevelt, 50–B-1050 Bruxelles, Belgium
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a)
Electronic mail: plambert@ulb.ac.be. Also at LIMMS/CNRS–Institute of Industrial Science, The University of Tokyo 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505 Japan.
J. Appl. Phys. 109, 124901 (2011)
Article history
Received:
August 30 2010
Accepted:
April 12 2011
Citation
Vincent Vandaele, Alain Delchambre, Pierre Lambert; Acoustic wave levitation: Handling of components. J. Appl. Phys. 15 June 2011; 109 (12): 124901. https://doi.org/10.1063/1.3594245
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