Metal founding – Process – Shaping a forming surface
Patent
1985-05-03
1988-03-29
Godici, Nicholas P.
Metal founding
Process
Shaping a forming surface
164 34, 164130, 164137, 164167, 164324, B22C 904, B22C 2500, B22D 4702
Patent
active
047337133
ABSTRACT:
A production casting line includes a foam pattern former producing destructible foam patterns for the forming of cast parts. A pattern clusters inventory station is provided immediately adjacent to the process line having a plurality of different preformed foam pattern clusters which are immediately available for introduction and insertion into the production line by interposing of the same into the process line. A substantial number of different patterns are stored. The foam patterns are stable, can be inventoried for long periods and are relatively inexpensive. The versatility with the inventoried patterns increases the operating efficiency and reduce the overall cost of the manufacturing operation. The cast line includes flasks within the pattern clusters and are mounted at a receiving station. Sand is compacted about the foam pattern. Molten metal is introduced at a power station resulting in vaporization and destruction of the plastic pattern and filling of the cavity to duplicate the pattern in the metal. If a demand exists for an alternate inventoried part during a run of a part, the inventoried patterns are moved directly from inventory into the line without shut down. When the special run is completed, the system reverts to the scheduled run of a previous part.
REFERENCES:
patent: 2134117 (1938-10-01), Floyd et al.
patent: 4121646 (1978-10-01), Rikker
patent: 4224979 (1980-09-01), Rosin et al.
Batten, Jr. J. Reed
Godici Nicholas P.
Kohler General Corporation
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