Preliminary Investigations on a Diamagnetically Levitated Linear Conveyor

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  • Barrot François
    Laboratoire de Systèmes Robotiques EPFL (Ecole Polytechnique Fédérale de Lausanne) Abteilung Structural Engineering, EMPA (Eidgenössische Materialprüfungs- und Forschungsanstalt)
  • Chapuis Dominique
    Laboratoire de Systèmes Robotiques EPFL (Ecole Polytechnique Fédérale de Lausanne)
  • Bosgiraud Thomas
    Laboratoire de Systèmes Robotiques EPFL (Ecole Polytechnique Fédérale de Lausanne)
  • Löhr Bernhard
    Laboratoire de Systèmes Robotiques EPFL (Ecole Polytechnique Fédérale de Lausanne)
  • Sache Laurent
    Laboratoire de Systèmes Robotiques EPFL (Ecole Polytechnique Fédérale de Lausanne)
  • Moser Roland
    Laboratoire de Systèmes Robotiques EPFL (Ecole Polytechnique Fédérale de Lausanne)
  • Bleuler Hannes
    Laboratoire de Systèmes Robotiques EPFL (Ecole Polytechnique Fédérale de Lausanne)

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Abstract

Diamagnetic levitation is the only passive levitation at room temperature. It is interesting to use this principle for a contactless conveyor in applications where friction and wear-particle contamination should be avoided such as in a microfactory. Using planar arrangements of permanent magnets, it is indeed possible to levitate a conveyor made of diamagnetic materials. In this article the authors are investigating the use of diamagnetic levitation in conjunction with various contact-less drive concepts to design a totally contact-free conveyor to carry small components in microfactories.

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