Centrifugal casting machine

Details Centrifugal casting machine Centrifugal casting machine

1977-10-17

1978-12-19

Spicer, Jr., Robert L.

Metal founding

Means to shape metallic material

Pressure shaping means

249137, 264311, 425435, B22D 1306

Patent

active

041301587

ABSTRACT:
A centrifugal casting machine of the broken arm type has a rotatable casting arm on which a swing arm, which supports a crucible and a casting ring, is pivotably mounted. The crucible is tiltable so that upon initial rotation of the casting arm the crucible tilts to a pouring position to pour molten metal into the casting ring. A cam follower on the swing arm engages a cam on the base of the machine to hold the swing arm, during a start up period of rotation, in an orientation in which the flow path of molten metal lies in a plane approximately tangential to a circle concentric with the axis of rotation of the casting arm. This orientation and the tilting action eliminates splashing or other metal losses.After the initial period of rotation during which the metal enters the casting ring, the cam releases the swing arm for alignment with the casting arm so that the action of centrifugal force in filling the mold cavity is maximized.

REFERENCES:
patent: 1944435 (1934-01-01), Kerr et al.
patent: 2192043 (1940-02-01), Hooper
patent: 2235443 (1941-03-01), Steinback et al.
patent: 2438817 (1948-03-01), Nalick
patent: 2847738 (1958-08-01), Lewis
patent: 2893057 (1959-07-01), Rekettge
patent: 3559718 (1971-02-01), Hitchings

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