CONTINUOUS CASTING MACHINE FOR THIN BILLET

摘要

PURPOSE:To provide a continuous casting machine for thin billet which improves the life of a pair of convergent side plates for short side faces provided at both side edges of a pair of metallic belts for long side faces by constituting said side plates on the side in contact with a casting metal of metallic plates provided with coating layers sprayed thermally with refractories. CONSTITUTION:The casting space of this continuous casting machine for the thin billet is constituted by combining a pair of the metallic belts 1, 2 for the long side faces which move cyclically while maintaining the space for holding the casting metal and a pair of the convergent side plates 4, 5 for the short side faces disposed between the belts 1 and 2. The side plates 4, 5 are constituted of the metallic plates provided with the layers sprayed thermally with the refractories on the side where the side plates contact with the casting metal. The thermal spalling, cracking and wear of the side plates 4, 5 are thus eliminated, by which the life of the side plates is improved and the operation is stabilized. The CrC refractories consisting of, for example, 65-90wt% Cr3C2 and 35-10wt% NiCr are used for the refractories for coating the metallic plates as the side plates 4, 5.