PROCEDIMENTO PER OTTENERE GETTI DI GHISA PIENI E MACCHINA CONCHIGLIATRICE PER LA SUA REALIZZAZIONE
Solid iron castings are produced by pouring metal into a permanent mould, and leaving it until a skin has been formed capable of holding the shape of the casting. The side-pieces of the mould are then drawn back. While the casting is cooling, the surface of the lower part is reheated, by reducing he...
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