Aluminum Precision Products

CLOSED DIE FORGING

CLOSED DIE FORGING is the process where a pressing of forging stock is accurately and uniformly shaped into a die, or set of top and bottom dies, depending on the design requirements. The alloy deformation is confined within the shaped cavity of the dies to achieve the desired engineering configuration. Depending on such factors as complex multi-segmented precision wrap dies to simple two-piece conventional top-and-bottom dies.

APP utilizes hydraulic, mechanical, and upstater presses to produce our closed die forgings. Hydraulic presses forge metal slower by squeezing the metal versus with sharp blows, and rely on one of more hydraulic rams to force the dies together. The mechanical press can usually complete a forging action with one quick blow to the forging stock metal. mechanical presses rely on force from energy through the rotating flywheel. This stored energy is transferred to the dies each time the press is activated. Upsetters are double acting mechanical presses in a horizontal plane. The force from the flywheel is directed to the forging stock metal between two dies and deformed by a punch that exerts force to the end on the stock metal. Press requirements are determined according to the production and budget specifications. APP’s sales and engineering staff will talk you through the appropriate process for your product.