Posted by admin on 06/9/08 in Uncategorized
Foundry Supplies and
Casting Supplies are important especially when you are looking and Foundry
Supply Hobby Supplies.
Metal
casting supplies can run the gamut of cheap to expensive. Home foundries tend
to use supplies that are not too costly or that can be found close at
hand. After all, home metal casting is usually a hobby and many get into
this hobby since they need a cheaper source of parts and pieces that are either
far too expensive or just impossible to find. This reason is actually what
draws many people to metal casting in the first place. Given this, metal
casting supplies used in smaller backyard foundries are generally cheap and
made of items that are available in the garage or can be found at home
improvement stores. There are several online resources and stores that offer
supplies specially made for metal casting and if you have the money and are
unable to create your own, it is encouraged that you purchase already made
supplies.
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Foundry Supplies, Casting Supplies, and Foundry Supply Hobby Information
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Posted by admin on 05/11/08 in Uncategorized
Learn about the basics of Casting Sand, Green Sand, and the
uses of Casting Sand.
Green Sand: Green sand is also called as foundry sand or molding sand.
This is utilized for sand casting. When this sand is oiled or moistened, it has
a tendency to pack well and retain the shape. Green sand is a mix of pulverized
coal, water, bentonite clay and sand. Out of these four components, the biggest
part is that of the sand. There are
several proportions of these four components. The different ratios are used to
adjust the surface finish, moldability and capacity of the hot molten metal to
degas. The prime use of this sand is in the metal casting. The coal is usually
called as sea coal in foundries. The amount of sea coal is less than 5 percent.
It undergoes partial combustion when there is molten metal present and this
causes offgassing of organic vapors.
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Casting Sand, Green Sand, and Metal Casting Information
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Posted by admin on 05/10/08 in Uncategorized
Learn about the basics of Metal Casting Crucibles, what kind
of Crucibles you need, and the definition of these Metal Casting Crucibles.
A pot in which metal is held,
while melting in a furnace is called as a “Crucible.? It is made of silicon
carbide and clay graphite.
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