Thursday, May 16, 2013

lost wax casting

      Lost-wax casting (also called by its French name, cire perdue) is the process by which a metal (such as silver, gold, brass or bronze) sculpture is cast from an artist's sculpture. Intricate works can be achieved by this method, primarily depending on the carver's skills. In industrial uses, the modern process is called investment casting. An ancient practice, the process today varies from foundry to foundry, but the steps which are usually used in casting small bronze sculptures in a modern bronze foundry are generally quite standardized. The oldest archaeological and literary evidence of Lost-wax casting can be found in India, dating back nearly 5,000 years to the Harappan period.
      Other names for the process include "lost mould," which recognizes that other materials besides wax can be used, including tallow, resin, tar, and textile; and "waste wax process" or "waste mould casting", because the mould is destroyed to unveil the cast item. Other methods of casting include open casting, bivalve mould, and piece mould. Lost-wax casting was widespread in Europe until 18th century, when a piece-mold process came to predominate. Read more . . . 


This is a short video showing how we make our jewelry using 
a technique called lost-wax casting.

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