Method of cleaning and of heat treating lost foam castings

Details Method of cleaning and of heat treating lost foam castings Method of cleaning and of heat treating lost foam castings

2005-10-25

2005-10-25

Lin, Kuang Y. (Department: 1725)

Metal founding

Process

Shaping a forming surface

C164S131000, C164S132000

Reexamination Certificate

active

06957685

ABSTRACT:
A method of cleaning and of heat treating lost foam castings utilizing a heated, fluidized sand bed is disclosed. The fluidized action of the sand, the movement of the casting through the sand and the heat of the bed, combine to remove residue coating resulting from the lost foam casting process from the casting.

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patent: 6042369 (2000-03-01), Bergman et al.
“Heat Treatment of Aluminum Casting Alloys for Vacuum Die Casting”, Light Metal Age, Schneider and Feikus, 1998.
“Solution Heat Treatment for AlSiMg Foundry Alloys”, Liss Pederson, Apr. 1999.
“Short Term Solution Heat Treating—The Industrial Application”, Ray Donahue, 2001.

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