Method and apparatus for continuously casting copper bar product

Details Method and apparatus for continuously casting copper bar product Method and apparatus for continuously casting copper bar product

1977-11-02

1979-05-22

Simpson, Othell M.

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164 87, 164154, 164431, 164443, B22D 1106, B22D 1116

Patent

active

041553969

ABSTRACT:
Improved casting method and side dam apparatus for use in twin-belt continuous metal casting machines are described particularly adapted for casting rectangular copper bar providing a casting speed almost double that obtained in prior twin-belt machines and a damblock lifetime which is more than doubled, while producing a more homogeneous and symmetrical casting structure. The side dams are formed by stringing slotted damblocks along the entire length of a flexible metal strap, except for end portions of the strap. An end-to-end weld forms an endless strap loop of accurately predetermined length, and special damblocks having two mating interlocking halves are inserted into the remaining space along the strap, whereby all blocks are free to slide on the strap but with little cumulative space between blocks, which are preferably made of a bronze alloy presenting better resistance to heat cracking and higher heat conductivity than in previous damblocks. The damblocks are cooled by controlled liquid sprays in a chamber, their temperature after cooling is sensed, and then they have an insulative material applied thereto before re-entry into the machine.

REFERENCES:
patent: 3036348 (1962-05-01), Hazelett et al.
patent: 3220070 (1965-11-01), Tajkowski
patent: 3626479 (1971-12-01), Propfrzi
patent: 3682234 (1972-08-01), Vogel
patent: 3763922 (1973-10-01), Gyongyos
patent: 3860057 (1975-01-01), Garlick

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