Abstract
Thin steel plates are widely used in various industrial products. However, they have problems of flaws in the coating caused by contact support during transport, and deterioration of surface quality. As a solution to these problems, a noncontact transport of steel plates using electromagnetic force has been considered. However, there is a risk that side slipping or dropping of the plate may occur owing to inertial force because the levitation control system does not provide a restraint for the direction of travel. Therefore we have proposed the addition of electromagnetic actuators to control the horizontal motion of levitated steel plate. In this study, we calculated the shape of steel plate with horizontal attractive force using the Finite Difference Method (FDM). We carried out basic experiments to discuss the effect of a horizontal attractive force applied to the stationary levitated steel plate on its elastic vibration. The result shows that the application of a magnetic field in the horizontal direction was confirmed to suppress deflection in the levitated flexible steel plate. In addition, the application of a magnetic field in the horizontal direction improves the levitation stability of steel plates.
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