Levelling machine and method

B - Operations – Transporting – 21 – D

Patent

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Details

B21D 1/02 (2006.01)

Patent

CA 2596130

A levelling machine (10) for working the coiling tendencies out of sheet metal and the like, comprising an upper set of work rolls (58) with sets of backup rollers (94) rotationally mounted within upper backup carriers (90) pivotable about a first axis (P2) and a lower set of work rolls (60) with sets of backup rollers (72) each in a lower backup carrier (68) pivotable about a second axis (P1), where the first and second axes are substantially parallel and fixed relative to each other in use. A method for controlling such a levelling machine and an apparatus and method for removing casettes (22) from the main frame (18) of a levelling machine.

La présente invention concerne une machine de planage destinée à faire disparaître les tendances à l'enroulement des tôles et analogues. Cette machine comprend un jeu supérieur de cylindres de contrainte comportant des jeux de cylindres d'appui montés rotatifs à l'intérieur de supports d'appui supérieur, capables de pivotement autour d'un premier axe. La machine comprend également un jeu inférieur de cylindres de contrainte comportant des jeux de cylindres d'appui montés rotatifs chacun à l'intérieur de supports d'appui inférieur, capables de pivotement autour d'un deuxième axe. En l'occurrence, ces deux axe sont sensiblement parallèles et invariables l'un par rapport à l'autre pendant l'utilisation. L'invention concerne également un procédé pour commander une telle machine de planage, et un appareil et un procédé de dépose de cassettes du bâti principal d'une telle machine de planage.

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