B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/110
B22D 11/00 (2006.01) B22D 11/04 (2006.01) B22D 11/041 (2006.01)
Patent
CA 1188479
CONTINUOUS CASTING MOLD FOR BEAM BLANKS ABSTRACT OF THE DISCLOSURE The continuous casting of beam blanks involves a problem in that cracks are frequently formed at the fillet parts thereof. In a known type of continuous casting, the mold 1 is provided with a taper at the web part 5 in the casting direction so as to decrease the number of restrained cracks in the beam blanks. In the present invention, the curvature 1/R of the curved fillet parts 9 successively varies in accordance with the amount of free shrinkage of the solidified shell 3, thereby decreasing the tendency of the restrained crack formation. Such variation in curvature is particularly significant in the casting of beam blanks having a web height close to 1 m.
395878
Ariyoshi Toshihiko
Masui Tamenori
Ono Hitoshi
Goudreau Gage Dubuc
Nippon Steel Corporation
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