Rotary acoustic sand-core shakeout

Details Rotary acoustic sand-core shakeout Rotary acoustic sand-core shakeout

1979-02-05

1980-06-10

Baldwin, Robert D.

Metal founding

Stripper or ejector

164345, B22D 2900

Patent

active

042068002

ABSTRACT:
An acoustically enclosed apparatus for shaking out sand-cores from metal castings. A plurality of percussive shakeout stations are spaced around the circumference of a turntable. The stations are separated one from the other and from their surroundings by an acoustical enclosure which rotates with the turntable and within a stationary enclosure. The castings are loaded and unloaded through outwardly facing access openings in the rotatable enclosure as they become registered with an access port in the stationary enclosure. Shaking out is effected while the access openings are out of registry with the access port. The sand collector beneath the stations attenuates the sound emitted from beneath the station.

REFERENCES:
patent: 3486938 (1969-12-01), Dubitsky
"A. Voisin Constructeur Brochure for Decoring Cabin," 3/1977.

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