Gravity die casting is a manufacturing process for
producing accurately dimensioned, sharply defined, smooth or
textured-surface metal parts. It is accomplished by gently pouring molten
metal into re usable metal dies under the force of gravity. The term "die
casting" is also used to describe the finished part.
To begin the process a cast iron mould capable of
producing tens of thousands of castings must be made in at least two
sections to permit removal of castings. These sections are mounted
securely to a solid base and are arranged so that one is stationary (fixed
die half) while the other is moveable (ejector die half).
To begin the casting cycle, the die caster clamps the
two die halves tightly together. Molten metal is poured into the die
cavity where it solidifies quickly. The die halves are drawn apart and the
casting is ejected. Die casting dies can be simple or complex, having
moveable slides, cores, or other sections depending on the complexity of
the casting.
The main advantage of gravity die casting over sand
casting is the high speed of production. The reusable die tooling allows
for many hundreds of castings to be produced in a day. High definition
parts reduce machining costs and superior surface finish reduces finishing
costs.
Although die-castings are in most cases cheaper than
sand castings, die tooling is considerably more expensive than sand
tooling so an optimum number of castings need to be produced to make the
process cost effective in the long run.
We have a wealth of experience in the die casting
process and will offer our expertise in satisfying your individual needs.
We provide a complete service from design and manufacture of die tooling
to final delivery of castings.
Our aim being to provide a quality casting delivered
on time and at a truly competitive price.