stamping is the process of placing flat sheet metal in either blank or coil form into a punch where a tool and die surface forms the metal into a net shape. stamping is usually carried out under cold state, so it is also called stamping, heat stamping is used only when the blank thickness is greater than 8-100mm.The blank material for /images/stamping is usually in the form of sheet or strip, and therefore is it also called sheet metal forming. Some non-metal sheets such as plywood. Mica sheet, asbestos. Leather can also be formed by stamping. stamping is widely used in various fields of the metalworking industry. And it plays a crucial role in the industries for manufacturing automobiles,instruments, military parts and household electrical appliances.