Adjustable bearing for the shell of a deflection roll

Details Adjustable bearing for the shell of a deflection roll Adjustable bearing for the shell of a deflection roll

D - Textiles, Paper

21

F

D21F 3/08 (2006.01) B21B 13/14 (2006.01) D21G 1/02 (2006.01) F16C 13/00 (2006.01) F16C 13/02 (2006.01)

Patent

CA 2164869

A press roll (10) for forming a controlled press nip (N) with an opposed roll (11), such as in a papermaking machine, including a rotatable roll shell (16) with a support shaft (14) extending axially through the roll shell and controllable hydrostatic support means (7) positioned between the roll shell and shaft for applying a controlled radial supporting force to the roll shell with the nip line of the roll shell forming a support plane (P) with the axis of the shaft and guide means (18, 18a) accommodating relative movement between the shaft and the roll shell in said support plane with the end guide means (18, 18a) including a V-shaped projection (19, 20) at each end of the shaft and on each side of the shaft, and adjustable blocks (25, 26; 27, 28; 42, 43) carried on the roll shell self-aligning bearings (35, 39) slidable against the end guide means on the shaft.

Un rouleau exprimeur (10) permet de former un point de contact (N) par pression, régulé avec un rouleau opposé (11), tel que dans une machine de fabrication du papier, et comprend un carter rotatif (16) et un arbre support (14) s'étendant axialement dans le carter du rouleau ainsi qu'un élément support hydrostatique réglable (7) positionné entre le carter du rouleau et l'arbre en vue d'appliquer une force d'appui radiale régulée sur le carter du rouleau, la ligne du point de contact du carter du rouleau formant un plan d'appui (P) avec l'axe de l'arbre et du dispositif de guidage (18, 18a) ajustant un déplacement relatif entre l'arbre et le carter du rouleau dans le plan support avec le dispositif de guidage terminal (18, 18a) comportant une partie saillante en V (19, 20) à chaque extrémité de l'arbre et de chaque côté de l'arbre, et des blocs réglables (25, 26; 27, 28; 42, 43) supportés sur le carter du rouleau par des roulements à rotule (35, 29) pouvant coulisser contre le dispositif de guidage terminal de l'arbre.

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