Deflection-controllable roll for a calender or similar device

Details Deflection-controllable roll for a calender or similar device Deflection-controllable roll for a calender or similar device

D - Textiles, Paper

21

G

D21G 1/02 (2006.01) B65H 27/00 (2006.01) F16C 13/00 (2006.01)

Patent

CA 2154806

A deflection-controllable roll for a calender has an inner support element and an outer support element. Each of the two support elements has a pressure portion and a piston. The pressure portions have support areas with inner and outer pockets. The pistons have pressure areas which delimit an inner pressure chamber and an outer pressure chamber, both of which are connected on one side with the associated pocket by a feed line equipped with a throttle, and on the other side, by a feed line in the carrier. In this way, the deflection-controllable roll is capable of operating in a wide range of line loads, using the available pressures.

Rouleau de calandre à déflexion contrôlée ayant un élément porteur interne et un élément porteur externe. Chacun des deux éléments porteurs comporte un élément de pression et un piston. Les éléments de pression ont des zones de support avec des cavités internes et des cavités externes. Les pistons ont des zones de pression qui délimitent une chambre de pression interne et une chambre de pression externe, les deux chambres étant reliées, d'un côté, au passage associé par une conduite d'alimentation pourvue d'un régulateur, et de l'autre côté, à une conduite d'alimentation. De cette manière, le rouleau à déflexion contrôlée est capable de fonctionner dans une vaste gamme de charges en utilisant la pression disponible.

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