Automatic method for producing molds using chemically bonded san

Details Automatic method for producing molds using chemically bonded san Automatic method for producing molds using chemically bonded san

1977-10-17

1980-07-01

Baldwin, Robert D.

Metal founding

Process

Shaping a forming surface

164 37, B22C 912, B22C 1502

Patent

active

042101948

ABSTRACT:
An automatic method for producing molds using chemically bonded sands which consists of a molding machine adapted to produce either honeycomb (horizontally parted) or controlled contour (vertically parted) mold elements. The molding machine is provided with a venturi-type blow head having dual blow valves and an integral air chamber. Carriage means are provided to selectively move a sand magazine and catalyst manifold between their respective fill and work stations on the molding machine. A hydraulically actuated mold receiver, trunnion rollover and shuttle car means are provided to selectively receive the completed molds from the molding machine and transport them to associated mold finishing and closing means. A hydraulically actuated pattern clamp table is provided with an enclosed pattern and stripper pin stool having a separate hydraulically actuated stripper pin plate. The enclosed pattern and stripper pin stool is an integral catalyst exhaust manifold. A mold squeeze method is provided to selectively permit compression of the sand mold prior to the gassing of the chemically bonded sand mold.

REFERENCES:
patent: 2513785 (1950-07-01), Browne
patent: 3075262 (1963-01-01), Bilter
patent: 3089206 (1963-05-01), Abraham
patent: 3099868 (1963-08-01), Grott
patent: 3989087 (1976-11-01), McCormack

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