Apparatus for melting hollow metal ingots during electroslag...

Details Apparatus for melting hollow metal ingots during electroslag... Apparatus for melting hollow metal ingots during electroslag...

B - Operations, Transporting

22

D

22/49, 22/51

B22D 25/00 (2006.01)

Patent

CA 1057022

APPARATUS FOR MELTING HOLLOW METAL INGOTS DURING ELECTROSLAG REMELTING OF CONSUMABLE ELECTRODES ABSTRACT OF THE DISCLOSURE An apparatus for melting hollow metal ingots during electroslag remelting of consumable electrodes has a hol- low chilled mould and a mandrel for moulding the cavity of an ingot which are mounted on a bottom plate at the beginning of the ingot melting cycle. According to the invention, the bottom plate has at least two projections on the working surface thereof. Each projection is shaped as a tooth of a thickness equal to the amount of space between the inner surface of the wall of the chilled mould and the outer surface of the mandrel which mould the ingot, and the height and width of each projection are commensurable with the thickness thereof, The projec- tions may be replaceable and may have a trapezoidal cross-section. The provision of the projections on the bottom plate prevents the mandrel from being jammed with the ingot being moulded at the beginning of the melting process.

230973

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