Metal stamping products are used in various industries, such as automobiles and household appliances. Automotive stamping parts are an important part of the metal stamping industry. Metal stamping can form sheet metal very efficiently. The metal stamping die is installed on the press, and each stroke of the press forms a workpiece.

The production of metal stamping is completed by metal stamping workers. Metal stamping dies are produced by machine tools or die factories. Some machine tools and mold factories also produce stamping parts. The following are three types of metal stamping:

Precision metal stamping

Precision stamping produces raised images or 3D parts and produces finished products with strict tolerances. Compared with other forms of stamping, precision stamping involves less material movement between machines, which makes the process faster.

The high accuracy of this stamping method allows the formation of complex designs that must strictly comply with their specifications. You can use precision stamping on components with a length tolerance of 0.001 to 0.002 inches and a roundness tolerance of 0.0005 to 0.001 inches. Aircraft components, engine components, electronic products, telecommunications equipment, and prototypes are usually made of precision metal stamping.

A variant of this process is micro precision stamping. This method can produce complex parts for the electronic or medical industry, which are as thin as 0.002 to 0.005 inches.

Progressive metal stamping

Progressive stamping, also known as progressive die stamping, passes metal parts through multiple stations, and each station performs separate operations on metal. In these different stages, the metal sheet is always attached to the strip material. The last machine cuts the finished product from the metal strip.

When choosing manufacturing methods for long-term processes that require mass production, progressive die stamping is a good choice. The mold lasts for a long time, and the process produces the least waste.

When creating larger parts that may require different presses, you will need to use transfer dies for stamping. This process differs from progressive stamping in only a few small ways. The workpiece is separated from the metal belt earlier, and the conveyor belt transfers the workpiece from the machine to the machine.

Hot metal stamping

Hot metal stamping is the process of forming metal using extreme heat. The metal boron steel is heated to more than 1700 degrees Fahrenheit and then quenched in the mold. The result is high-strength, lightweight steel components.

One of the main advantages of hot metal stamping is its high tensile strength, which ranges from about 50 kilopounds per square inch (Ksi) to about 200 Ksi once the process is completed. Hot stamping also allows you to form all complex parts at once, which means less welding or other connection measures. The parts produced by this method will not experience spring back and warpage like other high-strength steel-formed parts. Unfortunately, hardened parts are difficult to cut, which makes finishing and cutting after forming a challenge. For these processes, you usually need a powerful laser.

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