B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 11/06 (2006.01) B21B 15/00 (2006.01) B21D 7/12 (2006.01)
Patent
CA 2622181
A method is disclosed for controlling the speed of a curved rotatably driven laying pipe through which a longitudinally moving product is directed to exit from the delivery end of the pipe as a helical formation of rings. The method comprises determining the maximum and minimum internal radii R max, R min of the pipe at the location of the maximum radius R of the pipe as measured from its rotational axis; continuously measuring the velocity V p of the product entering the laying pipe; and, controlling the rotational speed of the laying pipe such that the rotational velocities V max, V min of the pipe at said maximum and minimum internal radii bracket a range containing the velocity V p of the product.
L'invention concerne une méthode de contrôle de la vitesse d'un conduit de pose courbé rotatif dans lequel un produit se déplaçant longitudinalement est dirigé vers la sortie de l'extrémité de décharge du conduit sous la forme d'anneaux hélicoïdaux. La méthode comprend la détermination des rayons internes maximum et minimum, R max et R min, du conduit, mesurés à partir de son axe de rotation à l'emplacement du rayon maximum R du conduit; la mesure continue de la vitesse V p du produit entrant dans le conduit de pose; et le contrôle de la vitesse de rotation du conduit de sorte que les vitesses de rotation V max et V min du conduit auxdits rayons internes maximum et minimum sont dans une plage comprenant la vitesse Vp du produit.
Morgan Construction Company
Siemens Industry Inc.
Smart & Biggar
LandOfFree
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