Abstract
This study describes the development of the sheet feeding mechanism using ultrasonic vibration actuator. It consists of a driving rotor, a sub-rotor, and two sets of piezoelectoric vibrators, which is called the dual vibrator in this paper. That vibrator generates the mode of bending vibration. Driving rotor is rotated by the ultrasonic vibration of the dual vibrator. The driving frequency and amplitude of one vibrator is different from that of the other. In this paper, the motion of driving rotor is analyzed theoretically, and it is confirmed that its rotor can be rotated in the clockwise or counterclockwise direction. As a result of fundamental experiments, it was proved that telephone card could be fed easily, and flat and compact sheet feeding mechanism could be obtained.
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