Method, system and apparatus for scraping a roll surface in...

Details Method, system and apparatus for scraping a roll surface in... Method, system and apparatus for scraping a roll surface in...

C - Chemistry, Metallurgy

23

C

C23C 2/22 (2006.01) C23C 2/40 (2006.01)

Patent

CA 2596508

Apparatus for scraping the surface of a sink roll in a molten metal coating process comprises a support member having movable arms disposed on opposite sides of said support member. Each arm includes a scraper assembly portion. Scraper assemblies include a forward blade and a rear blade. A blade- connecting portion has a pivot point attaching the connecting portion to the arm. for following the radial contours of the roll surface. A second pivot point permits the blades to follow the crown of the roll. Pneumatic cylinders advance the arms such that at least one scraper blade presses against the roll surface under pressure. Also included is means for controlling the pressure of the scraping force applied to the roll surface. A traversing means provides for lateral movement of the blades along the axis of the roll.

L'invention concerne un appareil de raclage de la surface d'un rouleau submersible dans un processus de revêtement avec du métal fondu. Ledit appareil comprend un élément de support pourvu de bras mobiles disposés sur des côtés opposés dudit élément de support. Chaque bras comporte une partie d'ensemble de racleur. Des ensembles de racleur comprennent une lame avant et une lame arrière. Une partie d'accouplement de lames possède un point pivotant rattachant la partie d'accouplement au bras de manière à suivre les contours radiaux de la surface du rouleau. Un second point pivotant permet aux lames de suivre la couronne du rouleau. Des cylindres pneumatiques permettent de faire avancer les bras, de telle façon qu'au moins une lame de racleur appuie contre la surface de rouleau sous pression. Cette invention a aussi pour objet un dispositif de régulation de la pression de la force de raclage appliquée sur la surface du rouleau. Un dispositif traversant engendre un mouvement latéral des lames le long de l'axe du rouleau.

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