Metal founding – Means to shape metallic material – Continuous or semicontinuous casting
Patent
1985-05-01
1987-02-03
Lin, Kuang Y.
Metal founding
Means to shape metallic material
Continuous or semicontinuous casting
164348, B22D 11124
Patent
active
046403370
ABSTRACT:
A continuous casting apparatus comprising a cooler body surrounding a graphite die. Alternatively, the cooler body itself defines the opening through which molten metal is passed. The cooler body has a plurality of integral grooves on an outer surface thereof defining ribs, and a shell or a plate encloses the grooves to define axial passages. The ribs have longitudinally spaced recesses in the form of semicircles on the edge of the ribs and indentations greater than the depth of the rib, whereby coolant moving along the axial passages is subjected to a turbulent flow. The coolant moving along the ribs enters the recesses and indentations and expands from the heat and is forced out to provide a continuous agitation of the coolant flow changing the speed of the moving coolant along the ribs for better heat transfer from the cooler body to coolant liquid. The coolant entering the axial passages from the end of the ribs is subjected to more turbulent flow by entering the enlarged section of the axial passages and more agitation is provided for better heat transfer from the increased cooling area and consequently better results are achieved in the cast products.
REFERENCES:
patent: 3625498 (1971-12-01), Adamec
patent: 3853309 (1974-12-01), Widmer
patent: 4217094 (1980-08-01), Crowley
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