Casting mold refers to metal models, such as aluminum model and iron model, which are often used for manual modeling, wood model, plastic model and mechanical modeling to obtain qualified part models. Wax model for precision casting and polystyrene model for EPC.

Casting mold means that in order to obtain the structural shape of the part, the structural shape of the part is made of other materials that are easy to form in advance, and then the mold is put into the sand mold to form a cavity with the same structural size as the part, and then the liquid is poured into the cavity, and the part with the same shape and structure as the mold can be formed after the liquid is cooled and solidified.