Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1988-10-14
1989-10-31
Lin, Kuang Y.
Metal founding
Process
Shaping liquid metal against a forming surface
164504, B22D 2702
Patent
active
048770795
ABSTRACT:
A casting mold in a continuous casting line has a counterflow electromagnetic stirring (CEMS) apparatus disposed about the mold. The CEMS apparatus includes electrically-conductive coils arranged in first and second groups of adjacent coils with the coils connected together in predetermined phase relationships for generating side-by-side magnetic fields in molten metal flowing through the casting mold. The first and second groups of adjacent coils are disposed respectively along respective halves of the casting mold with the coils in the first group generating one magnetic field and the coils in the second group generating the other magnetic field. The magnetic fields so generated in the molten metal move in counterrotating relation to one another about respective spaced axes extending generally parallel to one another and to the longitudinal axis of the casting mold. The counterrotating movement of the magnetic fields extends in transverse relation to the direction of molten metal flow through the casting mold and produces movement of molten metal in clockwise and counterclockwise stirring patterns in the casting mold in which the molten metal flowing in the respective patterns collide and intermix at the interface of the patterns.
Henrickson James A.
Long Lawrence J.
Lin Kuang Y.
Westinghouse Electric Corp.
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