Electrode casting system

Details Electrode casting system Electrode casting system

B - Operations, Transporting

22

D

22/80

B22D 47/00 (2006.01) B22D 35/00 (2006.01)

Patent

CA 1331270

ELECTRODE CASTING SYSTEM ABSTRACT A system for casting electrodes includes a row of stationary, adjacent, plate casting molds flanked by a launder containing molten metal and a walking beam conveyor. One or two travelling carriages straddle the molds, launder and conveyor. A travelling carriage comprises a pair of rotary dippers, a pair of tipping dispensers and electrode lifting means. Each dipper scoops a predetermined amount of molten metal from the launder and, while rotating, discharged it into a dispenser. When filled, the dispensers simultaneously tip to fill a mold from both sides of a mold centre line over substantially the full length of parallel sidewall portions of the mold, whereby wave action is dampened and molten metal solidifies with even thickness and without flash. The bottom of the mold is water-cooled during casting. While an electrode is cast in one mold, the lifting means lifts an electrode from an adjacent mold and transfers it onto the conveyor which then moves electrodes over a distance equal to that between electrode centre lines. The operation of the travelling carriage, dippers, dispensers, water sprays, lifting means and conveyor are carefully timed, sequenced and concurrent where possible. Using two travelling carriages over a row of 20 molds, a production rate of about five electrodes per minute is achieved.

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