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Lost-wax casting – also called investment casting, precision casting, or cire perdue (French: [siʁ pɛʁdy]; borrowed from French) [1] – is the process by which a duplicate sculpture (often a metal, such as silver, gold, brass, or bronze) is cast from an original sculpture. Intricate works can be achieved by this method.
Inlet-outlet cover of a valve for a nuclear power station produced using investment casting. Investment casting is an industrial process based on lost-wax casting, one of the oldest known metal-forming techniques. [1] The term "lost-wax casting" can also refer to modern investment casting processes.
Roman Bronze Works, now operated as Roman Bronze Studios, is a bronze foundry in New York City.Established in 1897 by Riccardo Bertelli, it was the first American foundry to specialize in the lost-wax casting method, [1] and was the country's pre-eminent art foundry during the American Renaissance (ca. 1876–1917).
Centrifugal casting, or centrifuging, [1] is used as a means of casting small, detailed parts or jewelry. [2] An articulated arm is free to spin around a vertical axle, which is driven by an electric motor or a spring. The entire mechanism is enclosed in a tub or drum to contain hot metal should the mold break or an excess of metal be used.
Dhokra (also spelt Dokra) is non–ferrous metal casting using the lost-wax casting technique. This sort of metal casting has been used in India for over 4,000 years and is still used. One of the earliest known lost wax artifacts is the dancing girl of Mohenjo-daro . [ 1 ]
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The wax is easily taken to a fine finish in the end using a bit of nylon stocking or steel wool. After the wax product is finished, it may be molded or used in the lost wax casting process to create a final cast product.
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