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Tonnage in die casting refers to the amount of clamping force that is needed to hold the die closed while molten metal is injected into the cavity. This clamping force is essential to prevent the die from opening under the pressure of the injected metal, which can reach several thousand psi. The tonnage required is usually expressed in tons and is determined by various factors, including the size and shape of the part, the type of metal being cast, and the injection pressure.

Stamped metal parts are produced through a process that involves the cutting, bending, and shaping of metal sheets into precise forms. The stamping process can be executed through different methods such as bending, punching, and embossing using specialized machines. This manufacturing technique is favored for its efficiency, accuracy, and ability to produce large quantities in a short period. As these components often serve as fundamental building blocks within larger assemblies, their quality and precision are paramount.