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Journal of Applied Physics / Volume 109 / Issue 12 / ARTICLES / Interdisciplinary and General Physics

J. Appl. Phys. 109, 124901 (2011); http://dx.doi.org/10.1063/1.3594245 (7 pages)

Acoustic wave levitation: Handling of components

Vincent Vandaele, Alain Delchambre, and Pierre Lambert

BEAMS Dpt. Université Libre de Bruxelles CP165/56 Avenue F.D. Roosevelt, 50–B-1050 Bruxelles, Belgium

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(Received 30 August 2010; accepted 12 April 2011; published online 16 June 2011)

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.

© 2011 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. MODELS COMPARISON
  3. DIGITAL MODEL
  4. EXPERIMENTAL SETUP
  5. RESULTS AND DISCUSSION
    1. Digital benchmarking
    2. Experimental validation
    3. Stable levitation
    4. Examples of components levitation
    5. Feeding
  6. CONCLUSIONS

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KEYWORDS and PACS

Keywords

acoustic field, acoustic wave propagation, ceramics, digital simulation, steel

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3594245

PUBLICATION DATA

ISSN

0021-8979 (print)  
1089-7550 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    Z. Y. Hong, W. J. Xie, and B. Wei, J. Appl. Phys. 107, 014901 (2010)JAPIAU000107000001014901000001.

    J. Li, W. Cao, P. Liu, and H. Ding, Appl. Phys. Lett. 96, 243507 (2010)APPLAB000096000024243507000001.


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