Sand Casting Process, Prices, Equipments ... - Iron foundry
2020-12-31 Then, we put patterns into the sand boxes, then put green sand or resin sand into the boxes, then make the sand become solid by pressure come from molding machines or manual methods, then take the patterns out, and so, the space taken by patterns will become hollow, then inject melted liquid iron into the hollow space, then after cooling, the hot iron water will become iron parts, the after sand blasting process
