Consumable electrode remelting furnace and method

Details Consumable electrode remelting furnace and method Consumable electrode remelting furnace and method

1984-04-27

1986-02-04

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Ingot remelting

373 69, 373 49, H05B 700

Patent

active

045690561

ABSTRACT:
An improved consumable electrode remelting furnace and a method of monitoring decreases in the weight of a consumable electrode during remelting are provided. An electrode support structure is movably supported above a mold for moving the electrode into and out of substantially coaxial relationship with the mold. The base of a load cell is supported above the mold by the electrode support structure so that the load cell is electrically remote from the electric melting current conducting paths in the furnace. Apparatus are provided for: (1) suspending the weight of the electrode and substantially only that weight from the top of the load cell; and (2) vertically displacing the mold and the electrode relative to each other toward and away from a position of the electrode in the mold where the electrode can be remelted. By this arrangement, the load cell is uniquely free from loading by masses other than those of the electrode and the apparatus used to suspend the electrode from the load cell and is uniquely free from electrical interference.

REFERENCES:
patent: 3179734 (1965-04-01), Redel et al.
patent: 3272905 (1966-09-01), Wooding
patent: 3379818 (1968-04-01), Wynne
patent: 3614284 (1971-10-01), Scheidig et al.
patent: 4002816 (1977-01-01), Zhupakhin et al.
patent: 4131754 (1978-12-01), Roberts
patent: 4303797 (1981-12-01), Roberts

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