Method and apparatus for electro-magnetic casting of complex sha

Details Method and apparatus for electro-magnetic casting of complex sha Method and apparatus for electro-magnetic casting of complex sha

1984-05-24

1986-09-23

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164467, 164503, 164421, 164122, B22D 2702

Patent

active

046129723

ABSTRACT:
An apparatus is provided for electromagnetically coiling a molten material into a longitudinally extending casting defining a longitudinal axis thereof. The casting has a desired cross section extending perpendicular to the longitudinal axis. At least one portion of the outer peripheral surface of the casting extends transversely of the longitudinal axis and has a small radius of curvature. The apparatus includes an inductor extending transversely about the molten material for providing an electromagnetic containment force field acting on the outer peripheral surface of the molten material to form the desired cross section. The improvement comprises a device for turning the electromagnetic containment force field about the longitudinal axis to cause a corresponding turn of the transverse cross section of the molten material about the longitudinal axis.

REFERENCES:
patent: 3467166 (1969-09-01), Getselev et al.
patent: 3605865 (1971-09-01), Getselev
patent: 3846082 (1974-11-01), Labelle, Jr. et al.
patent: 4014379 (1977-03-01), Getselev
patent: 4158379 (1979-06-01), Yarwood et al.
patent: 4161206 (1979-07-01), Yarwood et al.
patent: 4321959 (1982-03-01), Yarwood et al.
Magistry et al., "Automatic Control of DC Casting with a Programmable Controller Based System", Light Metals, AIME, vol. 2, 1979, pp. 665-669.

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