Sand casting or ground casting is one of the most traditional casting processes that is still used for the production of the pre-series or small series of a metal products. It consists in casting the melted metal inside a mold composed of a special sand (foundry sand), which will be dismantled at the end of the process to be able to extract the piece. This process, which is versatile and extremely basic, allows a finishing product conform at the design that usually need to evaluate the piece for the eventual die casting series.