Uniformly-cooled casting wheel

Details Uniformly-cooled casting wheel Uniformly-cooled casting wheel

B - Operations, Transporting

22

D

B22D 11/06 (2006.01)

Patent

CA 2078334

2078334 9113709 PCTABS00007 Metal strip (9) cast directly from the melt onto a cylindrical casting drum (20) is made more uniform in thickness and in structure by making the temperature of the casting surface and, therefore, heat transfer more uniform, thus reducing distortion of the casting surface. This is accomplished by a novel arrangement of helical coolant channels (25) extending below the casting surface (10) and in heat transfer relationship with the casting surface and being at an angle of between about 15· and 75· (and preferably between about 45· and 75·) to the drum axis. At least one coolant inlet (21) and one coolant outlet (22) supply and withdraw coolant to each channel. In one embodiment, inlets (21a, 21b) are alternated on the same side of the shell with outlets (22a and 22b) of adjacent channels so that the cooler regions around inlets are alternated with higher temperature outlet regions to balance the temperature around the surface.

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