Controlled method for injection casing using a mold under vacuum

Details Controlled method for injection casing using a mold under vacuum Controlled method for injection casing using a mold under vacuum

1996-03-11

1997-01-28

Lin, Kuang Y.

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164 63, 164255, 1641552, B22D 1732

Patent

active

055970320

ABSTRACT:
A device for injection casting includes a furnace within which is position a crucible, a bell mounted atop a table into which a mold is positioned and a tube interconnecting the crucible and the mold. A device is provided to sense the level of metal within the crucible; piping is provided into the bell and the furnace for controlling the respective pressures therein and various sensors are provided in the bell, mold, tube and furnace which sense various pressures and temperatures experienced within the device during the casting operation. These sensors provide signals to a control apparatus which controls the pressure inside the furnace in order to fill the mold with metal inside the crucible and regulates the speed and pressure inside the mold. A method of operating the device is also provided.

REFERENCES:
patent: 4585050 (1986-04-01), Merrien et al.
patent: 4714102 (1987-12-01), Koya

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