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the a.p. art gallery collection of bronze sculptures is cast in the traditional lost wax technique. the human race has been creating sculptures
using the lost wax bronze casting method for 5,000 years. the basic
technique remains unchanged through the ages while materials advance. |
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Art Gallery
Bronze Sculpture
invitation
a.p. casting portfolio
demo
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The first step in creating bronze or aluminum sculptures starts with the sculptor and an idea.
The sculptor may create his or her art in almost any material – wood, stone, clay, even the human body itself
may be the medium for the artist’s vision. |
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1. Rubber Molding
Often done in several parts, the sculpture is coated with a thick layer
of rubber which, in turn, is covered with reinforced plaster.The Original's Negative After the sculpture is removed and the different sections of
the mold are rejoined, an exact negative of the original is obtained.
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2. The Wax PositiveThe inner part of the rubber mold is then
coated with several layers of wax, creating an
almost exact replica of the sculpture. Retouching the Wax
Since smoothing out the seams and imperfections are done at this stage, the sculpture is very much involved.
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3. Building the Ceramic ShellWax sticks are soldered to the wax positive to enable the flow of molten metal and the escape of gases as
the casting stage is drawing near.
The reproduction is now repeatedly dipped in ceramic and sand alternately, to form a silicate shell into
which the metal will be poured. The wax is run-off in a kiln, hence the name lost wax. |
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| Contact us: by E-mail
(apcasting@012.net.il)
Hadassa Neurim, Israel, 40298
Tel: 972-9-8665640
Fax: 972-9-8665726 |
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4. Melting the BronzeNow comes the exciting part. Bronze is melted at a temperature of
1150o C, or 2100o F.
At the same time, the ceramic shells are heated too, to allow the metal to flow freely and fill all the cavities as it is poured
into the vacancy left by the lost wax. |
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5. Casting SculpturesThe bronze is poured into the cavity. After cooling down, the shell is removed (using hammers and a
sand blaster) and the channels through which the bronze flowed are cut away.
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6. Chasing the Bronze
The sculpture is off to the metal shop, where it is smoothed and polished to the artist’s specifications.
Many sculptures require an inner skeleton to support the outer bronze skin. Larger sculptures are cast in sections which
must be welded together. |
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7. Finishing TouchesAll that remains is to apply a patina of chemical colors in order to fulfill the sculptor’s vision in full.
The sculpture is then coated with a fine wax layer to preserve the color, and mounted on its base for display.
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 a.p. casting
invites you to participate in an age old tradition:the making of bronze cast fine art sculptures. |
