Metal founding – Means to shape metallic material – Including means to apply coolant to mold or casting
Patent
1995-06-07
1997-07-15
Lin, Kuang Y.
Metal founding
Means to shape metallic material
Including means to apply coolant to mold or casting
164312, 1641221, B22D 2704
Patent
active
056474261
ABSTRACT:
A multi-piece wheel mold defining a mold cavity having a wheel rim cavity and a wheel disc cavity includes a large mass of metal adjacent to the outboard end of the wheel rim cavity and a small mass of metal adjacent to the inboard end of the wheel rim cavity. The mold also includes tapered side segments having a portion adjacent to the inboard end of the wheel rim cavity which is formed from a metal having a first conductivity of heat transfer. The side segments further have a second portion adjacent to the outboard end of the wheel rim cavity which is formed from a second metal having a second conductivity of heat transfer which is greater than the conductivity of heat transfer of the first portion. Molten metal in the mold cavity initially begins to solidify in the outboard end of the wheel rim cavity. Solidification of the molten metal then proceeds simultaneously in an axial direction across the wheel rim cavity towards the inboard end of the wheel rim and in a radial direction across the wheel disc cavity towards the center of wheel disc.
Chen Bor-Liang
Prieto Romulo A.
Wei Daniel C.
Hayes Wheels International, Inc.
Lin Kuang Y.
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