Continuous differential-pressure casting method wherein molten m

Details Continuous differential-pressure casting method wherein molten m Continuous differential-pressure casting method wherein molten m

1993-06-17

1995-01-31

Bradley, P. Austin

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164 41, 164119, 374140, B22D 1118, B22D 1804

Patent

active

053852001

ABSTRACT:
A casting method wherein casting cycles are continuously performed with respective molds and a common mass of molten metal accommodated in a container, such that in each casting cycle, the mold cavity is filled with the molten metal through a pouring tube connected at one end to a sprue hole of the mold and immersed at the other end in the molten metal mass, due to a difference between pressures to which the mold and the container are exposed, and wherein the molten metal temperature is estimated from the detected amount of consumption of the immersed tube, and the actual molten metal temperature is regulated, on the basis of a difference between a predetermined desired temperature of the molten metal, and the estimated temperature which changes with the actual temperature.

REFERENCES:
patent: 3610601 (1971-10-01), Bishop, Jr.
patent: 4182181 (1980-01-01), Arvai
patent: 4585050 (1986-04-01), Merrien

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