6 years ago#1
elas
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a method by which a wax model is attached to a sort of funnel then encased in some sort of material that can withstand molten metal been poured into the inverted mass. The mass containing the wax is put into a oven and the wax burnt out, hence the term lost wax casting. The dental trade is credited with the process of centrifugal casting. The wax is encased with investment in a steel tube which after burn-out is placed in the machine, the metal melted in a crucible, upon release of the arm the molten metal is flung into the cavity, filling the void. Term two is more probmatic. In modern times it might be called vacuum assited gravity poured.Or newer technology called anti-gravity casting. But it is very doubtfull ancient metal workers had the use of vacuum machines. The term pulled seems also to eliminate pressure casting. I would be most interested in hearing what others have to say on the subject. I will do some research on this subject. Best Regards, Don S. Thompson, Metalsmith

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6 years ago#2
Iron Sun
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soft stone. A two piece mold with a funnel to pour the metal into the carving which was bound together. The metal was then poured into the mold. Upon cooling the cast piece was 'pulled' from the separated mold. Pulled as in 'to draw from'. Hope this helps. Don S. Thompson

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6 years ago#3
blueberrypie
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[In ancient China, the use of fired ceramic piece-molds superseded carved stone molds at a very early date. I'm fairly sure that early Korean metalworkers were aware of this technique. However Don's reasoning seems like it would still apply; the metal parts would be 'pulled' from the enclosing ceramic mold in the same way.]

Andrew Werby

UNITED ARTWORKS- Sculpture, Jewelry, and other art stuff http://unitedartworks.com http://www.computersculpture.com for 3d design tools

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6 years ago#4
richard2
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There is a detailed description of the lost wax bronze process on my web site at http://www.rosenet.net/~jcchism

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