Lost foam sand casting apparatus

Details Lost foam sand casting apparatus Lost foam sand casting apparatus

1988-05-31

1989-07-04

Godici, Nicholas P.

Metal founding

Means to apply vacuum directly to work or to hold or...

164326, B22D 2715, B22D 4702

Patent

active

048441422

ABSTRACT:
A lost foam sand casting system wherein patterns supported by holding rings in sand filled molds vaporize, when molten metal is poured into the molds and fills the voids created, to thereby form castings. The system includes an indexable turntable surrounded by a series of adjacent processing stations. The processing stations include a sand depositing and compacting mechanism for filling a mold in which a foam pattern has been placed, a pouring station with a ladle for pouring a measured volume of metal into each mold while a suction is applied to the bottom of the mold, cooling stations, and a mold emptying station. The turntable is supported for rotary travel by a series of floor mounted rollers and a hydraulic cylinder mechanism extends below the upper level of the rollers into engagement with pins depending at intervals from the turntable to index the turntable from station to station.

REFERENCES:
patent: 2049967 (1936-08-01), Luton
patent: 3741281 (1973-06-01), Hauser-Lienhard

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