Pressurized squeeze casting apparatus and method and low pressur

Details Pressurized squeeze casting apparatus and method and low pressur Pressurized squeeze casting apparatus and method and low pressur

1997-03-31

1999-05-25

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164319, B22D 1802, B22D 2711

Patent

active

059062355

ABSTRACT:
A pressurized squeeze casting apparatus and method for casting articles includes densifying means for mechanically applying force to a die assembly to compress and densify the molten metal material into a solid article having a near net shape. A shutoff member is provided to seal the interior cavity at the juncture of the runner and the cavity after the cavity is filled with molten metallic material and prior to densification. A low pressure furnace provides a supply of molten metallic material. The outlet from the furnace is biased into engagement with the runner by the gas pressure in the low pressure furnace to ensure a fluid tight connection between the furnace and the runner.

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