Electroslag remelting furnace with improved power connection

Details Electroslag remelting furnace with improved power connection Electroslag remelting furnace with improved power connection

1980-02-11

1981-07-28

Baldwin, Robert D.

Metal founding

Means to apply vacuum directly to work or to hold or...

Means applying vacuum or suction directly to molten casting...

13 9ES, B22D 2306, B22D 2702, H05B 360

Patent

active

042805503

ABSTRACT:
An electroslag remelting furnace with a power connection at the base and a coaxial conductor to eliminate the deleterious effects of magnetic fields upon the pool of molten metal. The furnace may have a vertically moveable crucible, and also a top supported inner mold to form a hollow ingot, for containing the molten portions of the metal as the ingot is formed. The upper portions of the annulus between an inner and outer mold can be greater in width than the width of the lower portion of the annulus to permit increased spacing between the electrodes and the walls of the molds or to permit the use of electrodes of a larger diameter than the width of the lower portion of the annulus.

REFERENCES:
patent: 3602623 (1971-08-01), Wooding
patent: 3610318 (1971-10-01), Simmons
patent: 3684001 (1972-08-01), Wooding et al.
patent: 3744989 (1973-07-01), Doenecke et al.
patent: 3944714 (1976-03-01), Shtanko et al.
patent: 4049901 (1977-09-01), Pomeschikov et al.

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