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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.
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).
Much of the wax used in investment casting can be reclaimed and reused. [2] Lost-foam casting is a modern form of investment casting that eliminates certain steps in the process. Investment casting is so named because the process invests (surrounds) the pattern with refractory material to make a mould, and a molten substance is cast into the ...
Investment casting – Industrial process based on lost-wax casting; Lost-foam casting – Type of evaporative-pattern casting process; Lost-wax casting – Process by which a duplicate metal sculpture is cast from an original sculpture; Molding (process) – Shaping a liquid or plastic material by making it conform to a more rigid mold
Single use molds are prepared using the lost wax method. A small amount of metal in a crucible (a sort of ceramic pan) next to the mold is heated with a torch. When the metal is molten the arm is released, forcing (by centrifugal force) the metal into the mold.
There are a wide variety of wax types used in the lost wax casting process. Generally they fall into three main types, soft, hard and injection waxes. Injection waxes are made and intended to be used for injecting wax under pressure into rubber or other types of molds.
Casting is a method of producing one or more copies of a sculpture. Typically, the original sculpture is modeled as usual and covered with a molding material that sets hard when dry. The mold is then separated to release the original sculpture. Once the mold is reassembled, at its most simple the casting material is poured into the void and ...
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 ]