Combination vacuum assist centrifugal casting apparatus and meth

Details Combination vacuum assist centrifugal casting apparatus and meth Combination vacuum assist centrifugal casting apparatus and meth

1991-01-28

1993-01-19

Seidel, Richard K.

Metal founding

Process

Shaping liquid metal against a forming surface

164286, 164DIG3, B22D 1300

Patent

active

051799952

ABSTRACT:
A centrifugal vacuum assist ambient air casting apparatus and method to fill a casting flask having a mold with a pour opening in communication with the pour opening of a casting crucible filled with molten metal and ceramics comprising: centrifugally spinning the casting flask and casting crucible with their pour openings aligned such that the resulting centrifugal forces empty the contents of the casting crucible into the casting flask, while simultaneously applying a directional vacuum to the casting flask in alignment with the resultant centrifugal forces to evacuate trapped gases from the mold and assist in drawing in the molten metal and ceramics into the mold.

REFERENCES:
patent: 3402755 (1968-09-01), Christian
patent: 3863702 (1975-02-01), Hallerberg
patent: 3865173 (1975-02-01), Rohrberg
patent: 3941181 (1976-03-01), Stoody
patent: 4027719 (1977-06-01), Strempel
patent: 4134445 (1979-01-01), Goodrich
patent: 4703806 (1987-11-01), Lassow
patent: 4726413 (1988-02-01), Hellebrand
patent: 4781237 (1988-11-01), Sing

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