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lost-wax casting

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lost-wax casting: see cire perdue cire perdue [Fr.,=lost wax], sculptural process of metal casting that may be used for hollow and solid casting. The sculptor makes a model in plaster or clay that is then coated with wax. This model is then covered with a perforated plaster or clay mold.
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lost-wax casting

Traditional method of producing molds for metal sculpture and other castings. It requires a positive, a core made of refractory material and an outer layer of wax. The positive can be produced either by direct modeling in wax over a prepared core (direct lost-wax casting), or by casting in a piece mold or flexible mold taken from a master cast. The wax positive is invested with a mold made of refractory materials and heated to melt the wax, leaving a narrow cavity between the core and the investment. Molten metal is poured into this cavity. When the metal has solidified, the investment and core are broken away. See also investment casting.



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Casting Some metal sculptures are made by casting, sometimes called lost-wax casting.
SA Baxter's foundry makes possible the use of lost-wax casting which, along with its rapid-prototyping system, opens up a vast new universe for designers.
These produce 100% "real wax" patterns that are designed to perform like injected wax patterns in lost-wax casting.
 
 
 
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