26 Metal Forming Processes

The commonly used metal material forming process is the process method for producing parts, which is cold and hot forming. The common processes are generally divided into the following categories: casting, forging, welding, and cutting processing! Today, we will summarize these small categories of processes using dynamic diagrams and explanations.

Die casting (note that die casting is not abbreviated as pressure casting) is a metal casting process that utilizes a mold cavity to apply high pressure to molten metal. Molds are usually made from alloys with higher strength, and this process is somewhat similar to injection molding.

Sand casting is the production of molds using sand. Sand mold casting requires placing finished part models or wooden models (patterns) in the sand, and then filling them with sand on the weekend of the pattern. After opening the box and taking out the pattern, the sand forms the mold.

In order to remove the mold before casting metal, the mold should be made into two or more parts; During the mold production process, it is necessary to leave holes and exhaust holes for pouring metal into the mold to form a pouring system. After pouring the metal liquid into the mold, maintain it for an appropriate time until the metal solidifies. After removing the parts, the mold was destroyed, so a new mold must be made for each casting.