Sand Casting is a widely used form of casting. As the name suggests, the mold is made from sand. Sand Casting requires placing a finished part model or a wooden model (pattern) in the sand, then filling the sand around the pattern, and taking the pattern out of the box to form a mold. So what is the

The surface of the wax mold is covered with a layer of refractory ceramic material. Once the ceramic material hardens, the desired casting geometry is formed inside it, and then the wax is melted and exported, and the cavity is filled with molten metal. After the metal solidifies in the ceramic mold