The internal core production sector produces 100% of the cores for castings constructed. It is fitted with the most up-to-date 100-litre plant for core boxes split horizontally, vertically, hinged or mixed capable of producing cold box cores weighing 150 kg in a single action. The EUROMAC machine supplied is equipped with an autonomously operated plant for sand preparation equipped with a highly accurate system to control the quantity of resins used. A plant served by five machines operating in series complete the equipment used to produce the cold box cores: two 25-litre machines, one 12-litre machine, one 5-litre machine, one 40-litre machine. The core production sector is equipped with a machine that produces shell moulding cores