Patent ID: 6527042
Filing Date: 2003-03-04
Classification: B22D

Abstract:
Roll body for a continuous casting machine able, in its central part the so-called rolling zone, to carry a cylindrical shell and comprising a cylindrical outer surface and a cooling circuit, said circuit comprising at least one cooling liquid supply conduit, at least one cooling liquid evacuation conduit, a plurality of distribution collectors recessed into said outer surface and having a first depth, a plurality of evacuation collectors recessed into said outer surface, wherein each of said plurality of distribution collectors and each of said plurality of evacuation collectors has a substantially equal length Lc, at least one distribution pipe connecting each collector to the corresponding conduit, and a plurality of ring channels recessed into said outer surface, having a second depth less than said first depth and connecting the plurality of distribution and evacuation collectors, said plurality of distribution and evacuation collectors and ring channels being used to place the cooling liquid circulating in said circuit in contact with the inner surface of the shell to cool the shell, said body being characterized in that the plurality of distribution and evacuation collectors are arranged in an alternating configuration both in the peripheral direction and in the longitudinal direction, and wherein each of said plurality of distribution and evacuation collectors is separated from one another in the longitudinal direction by a distance of about 5% to 25% of said length Lc.