The die casting process is versatile for producing engineered metal
parts by forcing molten metal under high pressure into reusable steel
molds. These molds, called dies, can be designed to produce complex
shapes with a high degree of accuracy and repeat-ability. Parts can be
sharply defined, with smooth or textured surfaces, and are suitable for a
wide variety of attractive and serviceable finishes.aluminum die casting
Die castings are among the highest volume, mass-produced items
manufactured by the metalworking industry, and they can be found in
thousands of consumer, commercial, and industrial products. Die cast
parts are important components of products ranging from automobiles to
toys. Parts can be as simple as a sink faucet or as complex as a
The die casting process (video below) has evolved from the original
low-pressure injection method to techniques including high-pressure
casting- at forces exceeding 4500 pounds per square inch- squeeze
casting and semi-solid die casting. These modern processes are capable
of producing high integrity, near net-shape castings with excellent
Die Casting is an efficient, economical process offering a broader range
of shapes and components than any other manufacturing technique. Parts
have long service life and may be designed to complement the visual
appeal of the surrounding part. Designers can gain a number of
advantages and benefits by specifying die cast parts.
High Speed Production: Die casting provides complex shapes within
closer tolerances than many other mass production processes. Little or
no machining is required and thousands of identical castings can be
produced before additional tooling is required.
Dimensional Accuracy and Stability: Die casting produces parts that are
durable and dimensionally stable, while maintaining close tolerances.
They are also heat resistant.
Strength and Weight: Die cast parts are stronger than plastic injection
moldings having the same dimensions. Thin wall castings are stronger and
lighter than those possible with other casting methods. Plus, because
the die castings do not consist of separate parts welded or fastened
together, the strength is that of the alloy rather than the joining
Multiple Finishing Techniques: Die cast parts can be produced with
smooth or textured surfaces, and they are easily plated or finished with
a minimum of surface preparation.