Milling roller and method for reconditioning

Details Milling roller and method for reconditioning Milling roller and method for reconditioning

B - Operations, Transporting

02

C

B02C 4/30 (2006.01)

Patent

CA 2665078

The invention relates to a grinding roller of a high-pressure bed roller mill with profiled members (2', 3', 4') a part of the length of which is inserted into bores (12, 13, 14) of the roller body (I'), and the remaining part of the length of which projects over the surface of the roller body (1'), wherein in the novel state of the grinding roller, the bores (12, 13, 14) have varying depths in differently occupied parts of the width of the roller body, and the profiled members (2', 3', 4') have varying lengths. With this type of design, with low cost production is achieved long service life of the roller and cost-effective reconditioning after operation-related wear.

Cylindre broyeur d'un broyeur cylindres à lit de matière à haute pression comportant des corps profilés (2', 3', 4') qui sont montés sur une partie de leur longueur dans des évidements (12, 13, 14) du corps de cylindre (1') et font saillie sur la partie restante de leur longueur sur la surface du corps de cylindre (1'). Selon la présente invention, à l'état neuf du cylindre broyeur, les évidements (12, 13, 14) présentent dans des parties à sollicitation variable de la largeur du corps de cylindre une profondeur différente et les corps profilés (2', 3', 4') une longueur différente. Une telle conception permet d'obtenir, pour un coût de fabrication économique, une longue durée de vie du cylindre et un réusinage peu onéreux après une usure due au fonctionnement.

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