磁性流体を用いた進行波形シートキャリア

概要

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This paper reports the development of a sheet carrying mechanism by means of the progressive wavy motion of a thin elastic membrane which is sustained by magnetic fluid. The sheet carrier consists of a magnetic fluid layer in a shallow rectangular vessel, a thin elastic membrane covering the magnetic fluid, and digital electronic equipment to drive and control a series of magnetic coils. By applying the magnetic field in the form of sinusoidal waves, progressive wavy motions of the magnetic fluid and the elastic membrane are excited, and the sheets of paper or plastic film can be carried on the surface of the membrane. An interesting transportation behavior and its dependence on the wavelength and the frequency of the progessive waves are examined experimentally.
1992-07-25