Method and apparatus for cut to length control

Details Method and apparatus for cut to length control Method and apparatus for cut to length control

B - Operations, Transporting

23

D

341/45

B23D 36/00 (2006.01) B65H 35/06 (2006.01)

Patent

CA 1138962

ABSTRACT OF THE DISCLOSURE Length-control apparatus for use in association with a strip processing line processing strip material at varying velocities and having strip shear means movable along the axis of the moving strip and operable to close and open on the strip in order to cut the same while in motion and having sensing means for sensing the length of strip material and generating length signals, counter means for counting the length signals, and generating a trigger signal, means for sensing the velocity of the strip, and providing a signal proportionate to such velocity, means for shaping the velocity signal and delivering a servo control signal, servo means responsive to said servo control signal to deliver pulse signals proportional to such servo control signal, and, signal combining means for receiving the length signals and servo signals and combining them, for input to the counter, and a method of length control for such strip processing line.

358034

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