Metal Casting Zone Info Blog

Hello,

Today we are going to talk about Die Casting.

What about Die casting?
Die casting is used by industrial foundries and manufacturers to create
practically anything and everything, such as die cast cars. Many small
foundries, like the one in your garage, backyard, of workshop may
find that die casting is really just not economical. But who said that
having fun and trying new things was ever economical? The process
of Die Casting involves a simple concept. The molten metal is
injected with high pressure into the mold or mold cavities.
The mold used in die casting can have several small civilities of
either the same pattern or different pattern.

The name Die Casting comes from the molds which are called dies. These
molds are reusable and are often made from steel but other alloys can be
used as long as they can withstand high pressure. The reason dies must be
created from metal and not from sand or other material is due to the high amount
of pressure used to get the molten metal into the mold. If sand molds were
used in a Die casting procedure then the mold would crumble. There are plenty
of advantages of using dies in a casting procedure which makes this method
desirable for anyone wishing to create a high volume of similar castings.

Die casting is perfect for anyone that needs to make a lot of the same thing
without any quality or pattern deviation. This is especially helpful in
certain industries where quantity and quality count. Many hobbyists may have
no use for die casting on a practical basis but will often try at least one
Die casting for the sake of trying.

There are two types of machines used in the Die Cast procedure. These machines
are essentially the same and are called the Hot-chamber and the Cold-chamber.

The Hot-chamber machine melts the alloy and feeds it into a section of the
machine referred to as the gooseneck. A piston then forces the alloy into
the mold. A separate furnace is not needed but the draw back of this is that
metals with higher melting points can not be used.

The Cold-chamber is used for metals that can not be used by the Hot-chamber
such as aluminum and copper. A separate furnace is needed to melt the alloy
which is then poured into the injection cylinder and then shot into the mold.

The advantages of using Die casting vary but the most noticeable advantages
are the repeated quality, smooth casting surface, and the quick production of
casts. While the initial cost of Die Casting exceeds several of the other
casting procedures, those that need a high number of casts in the shortest
amount of time possibly will benefit greatly from the investment.

Die casting is commonly used to create commercial goods as it yields a
high volume. The molds, or dies, used vary in life cycle depending upon the
material used to create the die. The die can have one cavity or several
cavities depending upon the need.

Here is a link to a Web Page that covers this first email:
http://www.metalcastingzone.com/die-casting/

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