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[Process] Casting Equipment


I saw a process in which someone was designing by carving on a block
of hard wax and casting small metal handles. Round rubber molds with
what looked like a metal strapping around them were also used. They
were using what looked like a kiln with a hole in the top and pouring
hot metal (?) in the middle. I was interested in doing this, but
have only used a centrifugal machine a long time ago. Does anyone
know what equipment and process was used for this—the was, kiln
(?), crucible (?), mold material? Thanks in advance.


Hi, I believe what you may be describing is a pewter/white metal
casting system. A round rubber mold (usually black or white in color)
made of organic rubber is inserted into a centrifugal machine that is
designed to clamp the mold shut and allow the operator to pour molten
tin/ Pewter /lead/ zinc into the mold through the center opening in
the mold while the machine is spinning. There are a number of pieces
of equipment and a reasonable amount of various skills required to be
successful at this. A 3 post or 4 post vulcanizer capable of 30 tons
of pressure under controled heat as well as a number of different
size mold frames are neccessary to make the molds. The vulcanizer can
cost around $3500 new(maybe more) the frames range from $150-$500
depending on diameter and height required. The small centrifugal
casting machines can handle 9" to 12 " diameter rubber molds up to
4" thick and can easily cost around $3000 + depending on the model
selected. The metal is normally melted in a gas fired melting system
with a reasonably accurate temperature control system and a ducted
hood to remove heat and fumes from the metal( some metal alloys may
have cadmium and/or lead in them but many metals available are lead
free and cadmium free depending on the aplication.) the furnace and
controller should be around $2500. and now all of this has to be
installed , wired , plumbed …etc… Much of this machinery is
available as used equipment at lower prices from a variety of places.
If anyone needs to have this form of casting done, we can help you

Please visit our website
Daniel Grandi


Marge, What you are looking for is termed Spin Casting or White Metal

Best Regards and Good Luck. Neil George