Patent ID: 6241002
Filing Date: 2001-06-05
Classification: B22D

Abstract:
An arbourless casting roll for casting steel strip including:a cylindrical tube of copper or copper alloy having a wall thickness in the range of 30 mm-200 mm;a series of longitudinal holes through the wall of the tube defining longitudinal water flow passages arranged at equal circumferential spacing around the tube;a pair of steel stub shafts disposed one at each end of the tube and having end formations which fit snugly into the ends of the tube, and extend inwardly into the tube for a predetermined length, each end formation including a circumferential flange abutting the respective end of the tube;a plurality of fasteners extending through the circumferential flanges of the end formations of the stub shafts into the ends of at least some of the said holes to fix the stub shafts to the tube such that the stub shafts and the tube are coaxial and the wall of the tube is unsupported between the stub shafts; andwater flow ducts formed in at least one of the stub shaft end formations for flow of water to and from the longitudinal water flow passages.