Metal founding – Means to shape metallic material – Including means to heat mold
Patent
1994-08-26
1996-01-16
Lin, Kuang Y.
Metal founding
Means to shape metallic material
Including means to heat mold
1641221, 1641514, B22D 200, B22D 2704
Patent
active
054840082
ABSTRACT:
A thermocouple positioning device is provided for a directional solidification casting apparatus having a furnace for receiving a mold disposed on a chill plate that, in turn, is carried on a movable ram. The thermocouple positioning device comprises a support bracket disposed on the ram for movement therewith. The bracket includes an upstanding slide member and a slideway member disposed on the slide member and having a thermocouple holder thereon. A stop member is disposed in fixed position below the furnace for releasably engaging a stop engaging member on the slideway member as the ram is raised to position the mold in the furnace. Engagement between the stop member and the stop engaging member as the ram is raised positions the thermocouple in a temperature sensing position relative to the mold in the furnace. The thermocouple remains at the temperature sensing position as the mold is withdrawn from the furnace to effect directional solidification of the melt in the mold to form a columnar or single crystal casting in the mold.
REFERENCES:
patent: 3931847 (1976-01-01), Terkelsen
patent: 4175609 (1979-11-01), Elgammal et al.
Howmet Corporation
Lin Kuang Y.
Timmer Edward J.
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