A closed die looks like a mold, attached to the anvil, in which the metal is placed. The hammer die is also shaped and when striking the workpiece the material flows and fills the die cavities. The hammer is dropped at very quick successions until the desired shape is achieved. Sometimes the shape requires the use of series of different cavities. Although the initial investment in closed-die equipment can be quite high because of the specific design of the dies cavities,drop forged parts become more economical with more volume. Therefore, drop forging is often used in the automotive and tooling industries.

Advantages of Drop Forging

Drop forging delivers all common benefits typical in the forging manufacturing process. The most important ones include:

Good surface finish

Enhanced mechanical properties

Machining service

Recyclable flash

Improved metal strength by aligning the grain along the lines of potential stress