A tubular roll provided with hydraulically loaded glide...

D - Textiles – Paper – 21 – G

Patent

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Details

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

Patent

CA 2239189

The invention concerns a method for providing a tubular roll mantle with glide bearings. The roll mantle (12) is supported on the roll axle (11) by means of hydraulic glide bearing elements (14, 14a), which are loaded hydraulically by means of a pressure medium. The roll is loaded from outside radially in the principal loading direction (A), and the roll mantle (12) is supported on the roll axle (11) by means of glide bearing elements (14, 14a) in said principal loading direction (A). The loading pressure and the lubricant are fed to said glide bearing elements (14, 14a) as separated from one another so that the movement of the roll mantle (12), the speed of movement, and the change in the speed are regulated by opening, closing, and/or throttling the flow in the pressure duct (32, 32a) of the loading pressure. The lubricant can be fed to the glide bearing elements (14, 14a) irrespective of the loading pressure. The invention also concerns a roll provided with glide bearings.

La présente invention concerne un procédé permettant de pourvoir une enveloppe de cylindre tubulaire de coussinets à glissement. L'enveloppe (12) du cylindre est soutenue sur l'axe du cylindre (11) au moyen de cousssinets à glissement hydrauliques (14, 14a) qui sont chargés hydrauliquement au moyen d'un milieu sous pression. Le cylindre est chargé radialement depuis l'extérieur dans la direction de chargement principale (A), et l'enveloppe (12) du cylindre est soutenue sur l'axe (11) du cylindre au moyen de coussinets à glissement (14, 14a) dans ladite direction de chargement principale (A). La pression de chargement et le lubrifiant sont distribués séparément aux coussinets à glissement (14, 14a) de manière que l'on peut régler le mouvement de l'enveloppe (12) du cylindre, la vitesse du mouvement, et les variations de vitesse en ouvrant, fermant ou restreignant l'écoulement dans la conduite de pression (32, 32a) de la pression de chargement. Le lubrifiant peut être distribué aux coussinets à glissement (14, 14a) indépendamment de la pression de chargement. La présente invention se rapporte également à un cylindre muni des coussinets à glissement décrits ci-dessus.

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