Abstract

Thin steel plates are widely used in various industrial products. However, they have the problems of flaws in the coating caused by contact support during transport and the deteriorati on 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 the 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 a levitated steel plate. In addition, we have reported that it is possible to suppress the elastic vibration of the steel plate in the vertical direction using the electromagnetic actuators for horizontal positioning. In this paper, the effect of a magnetic field from the horizontal direction on the transport performance of a magnetically levitated flexible steel plate is reported.

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