Lost pattern mold removal casting method and apparatus

Details Lost pattern mold removal casting method and apparatus Lost pattern mold removal casting method and apparatus

B - Operations, Transporting

22

C

B22C 7/02 (2006.01) B22C 9/04 (2006.01) B22D 29/00 (2006.01) B22D 30/00 (2006.01)

Patent

CA 2496791

A method and apparatus for the lost pattern casting of metals employs an erodable mold including a particulate material and a binder. An erodable backing or coating may be used to support the erodable mold. After a molten metal casting is poured in the mold, the erodable backing and the mold are contacted with a solvent. This cools the molten metal so that it at least partially solidifies to form a casting. At least a part of the mold is removed. Also, the coating or backing may be removed.

L'invention concerne un procédé et un appareil de moulage à modèle perdu de métaux utilisant un moule érodable comprenant une substance particulière et un liant. Un support ou revêtement érodable peut être utilisé pour supporter le moule érodable. Ensuite, on verse dans le moule le produit moulé en métal liquide et le support érodable ainsi que le moule entrent en contact avec un solvant. Ceci refroidit le métal liquide de manière à le solidifier au moins partiellement afin d'obtenir un produit moulé. Le moule est au moins partiellement retiré et le revêtement ou support peut également l'être.

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