Casting furnace, a casting method and a turbine blade made there

Details Casting furnace, a casting method and a turbine blade made there Casting furnace, a casting method and a turbine blade made there

1997-07-08

1999-12-21

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164126, 164348, B22D 2704

Patent

active

060035870

ABSTRACT:
A casting furnace for forming a large size turbine blade at a high casting rate using a casting alloy which has a single crystal structure or a columnar crystal structure, includes a main tank 2 in which a mold M is placed. A heater 6 heats the periphery of a mold M to a predetermined temperature. The heater is then vertically raised relative to the mold M while a cooling liquid metal immerses and cools the periphery of the heated mold M below the heater. The surface height of the cooling liquid metal is raised according to the rising of the heater.

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