Friday, May 3, 2013

Lost Wax Casting Process



The lost wax process has been around for thousands of years and can be used to make anything from tiny rings and jewelry to huge statues.

The process involves a number of steps: making a clay form...creating a rubber or plaster mold...filling the mold with wax...chasing (cleaning and correcting) the wax form...spruing the wax form...dipping the wax into ceramic slurry/sand layers...heating out the wax...heating the ceramic forms...pouring the molten bronze...breaking off the ceramic...polishing and finishing the bronze.

I'm not entirely sure what we're seeing at 4:50 when the patina is being applied. The flat sheet of bronze there certainly doesn't seem to have been made through the lost wax casting process. The bottles in the foreground don't give much of a clue there.

But we do get some bouncy piano music at open and close the video.


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