Casting core shakeout

Details Casting core shakeout Casting core shakeout

1987-04-23

1988-02-02

Godici, Nicholas P.

Metal founding

Stripper or ejector

Means to separate cast product from shaping surface

164260, B22D 2902

Patent

active

047223863

ABSTRACT:
According to the invention, a vibratory apparatus is provided having a deck resiliently mounted relative to a surface bearing the vibratory apparatus, a clamp support for a casting on the deck, and a piston freely movably mounted relative to the deck. Vibration imparting structure vibrates the deck to shake out and to loosen foreign matter adhered to the casting supported on the deck and simultaneously reciprocates and ricochets the piston relative to the deck to further shake out and loosen foreign matter on the casting. A hammer plate is provided on the deck in the path of the piston. As the vibration imparting structure is operated, the piston is intermittently forcibly driven against the hammer plate to set up a different frequency of vibration than the frequency of the primary vibratory apparatus which enhances the shake out and cleaning function of the structure.

REFERENCES:
patent: 4168724 (1979-09-01), Graffunder et al.
patent: 4495826 (1985-01-01), Musschoot

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