Combination sand cleaning and heat treating apparatus for sand c

Details Combination sand cleaning and heat treating apparatus for sand c Combination sand cleaning and heat treating apparatus for sand c

1992-02-26

1993-10-19

Lin, Kuang Y.

Metal founding

With means for handling expelled cast product

1642701, 164 5, 148538, B22D 2900, B22D 3000

Patent

active

052536980

ABSTRACT:
Sand castings are removed from their molds before cooling and reheated in a heat treating booster furnace. The castings are transferred from the booster furnace to a rotary drum filled with agitation media. As the castings pass through the media drum, they are simultaneously cleaned of sand particles and down-quenched by the agitation media. The system is particularly suited for austempering cast iron parts.

REFERENCES:
patent: 1712082 (1929-05-01), Koppers
patent: 2332701 (1943-10-01), Dowsett
patent: 2420376 (1947-05-01), Johansson
patent: 2592783 (1952-04-01), Aspegren

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