高速移動体の電磁力を利用した非接触急停止機構の開発(第1報) : 停止装置の試作

概要

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This paper describes a development of noncontact sudden stopping device by electromagnetic impulsive force. The developed device consists simply of linear motion movement movable side to side, driving coils setted at both ends of moving and driving electric circuit. The action of the device is as follows. The movement is moving at constant velocity and at the point close to coil surface, an electromagnetic impulsive force interactively produced between movement and coil through which huge current flows from capacitor bank by sudden discharge. Experimental results showed that the velocity of movement can rapidly reduced by the force and that by selecting adequately the electric conditions and timing of discharge, the movement could stop without any contact to the coil surface in a very short time and displacement. As an application of the stopping mechanism, electromagnetic press with sudden stopping control was also developed. The performed blanking tests showed expected results ; namely the blanking punch could successfully stop without any contact when blanking operation perfectly performed.
公益社団法人精密工学会の論文
1989-05-05