3 years ago

Exploring cogging free magnetic gears.

Ingo Rehberg, Wolfgang Schöpf, Stefan Borgers, Simeon Völkel

The coupling of two rotating spherical magnets is investigated experimentally, with particular emphasis on those motions where the driven magnet follows the driving one with a uniform angular speed, which is a feature of the so called cogging free couplings. The experiment makes use of standard equipment and digital image processing. The theory for these couplings is based on fundamental dipole-dipole interactions with analytically accessible solutions. Technical applications of this kind of coupling are foreseeable particularly for small machines, an advantage which also comes handy for classroom demonstrations of this feature of the fundamental concept of dipole-dipole coupling.

Publisher URL: http://arxiv.org/abs/1801.03416

DOI: arXiv:1801.03416v2

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