Moulding flasks is a tool used in foundries. When the moulding machine works, the Moulding flasks holds the sand to form a certain structure. After material like molten iron was poured into the molded sand which was held by Moulding flasks, the molten material will solidify and form to the casting that you need. Moulding flasks is normally made from material of cast iron and then machined to meet specifications.
