Electro-mechanial shower oscillator for papermaking machine

Details Electro-mechanial shower oscillator for papermaking machine Electro-mechanial shower oscillator for papermaking machine

D - Textiles, Paper

21

F

342/29, 341/97

D21F 1/32 (2006.01) F16H 25/20 (2006.01) H02P 7/00 (2006.01)

Patent

CA 1246193

ABSTRACT OF THE INVENTION An electro-mechanical oscillator has a DC motor with an output shaft coupled to a ball screw. A ball nut riding on the ball screw is coupled to an output sleeve which moves linearly with the ball nut. When the ball nut reaches one of two extreme positions its direction of movement is reversed by reversing the polarity of the voltage supplied to the motor. A control board is provided for monitoring the position of the ball nut, for reversing the motor and for controlling the speed of the motion.

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