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    Overview and origin of stamping die and metal stamping


    Metal stamping (also called stamping) is a process in which flat metal is placed in a stamping die in the form of a blank or coil for stamping. The surface of the stamping die usually needs heat treatment to increase its hardness. Stamping processing includes various sheet metal stamping forming, such as stamping, punching, embossing, bending, flanging and embossing using a punch or hydraulic press. This can be a single process operation, in which each process of the punch press produces the desired shape on the sheet, or it can be automated with a continuous metal mold for stamping. The stamping process is usually performed on a metal plate, but can also be used for other materials, such as polystyrene and other plastic sheets. The stamping progressive die is usually made of steel coils, which are used to feed the coils into the straightening machine to level the coils, and then into the feeder, which sends the material to the press and passes the metal stamping die for stamping processing. According to the complexity of the parts, the stamping process in the stamping die and the number of stamping die stations can be determined.

    Metal stamping is usually formed by cold stamping on a metal plate. Metal stamping parts were mass-produced bicycles in the 1880s. Metal stamping replaces die forging and machining, thereby greatly reducing costs. Although not as strong as forged parts, they are of adequate quality.

    Stamped bicycle parts were imported from Germany to the United States in 1890. American companies then began to have stamping presses customized by American machine tool manufacturers. At that time, Western Europe was able to stamp most of the bicycle hardware stamping parts.

    Several automakers used metal stamping parts before Ford Motor Company. Henry Ford rejected the engineer's suggestion and refused to use stamping parts, but when the company could not meet the demand for die forgings, Ford was forced to use stamping parts later.