Stamping is stamping device by means of General or private power, makes the plate directly in the mold deformation and deformation, resulting in shape, size and performance of the products and parts production technology. Sheets, moulds and equipment are the three elements of punching. Punching is a method of cold deformation of metal processing. So called cold stamping and sheet metal, called stamping. It is metal and plastic processing (or press) one of the main methods, also belonging to material processing engineering.