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3) The surface of the runner rod for wax hanging should be smooth and flat to avoid excessive wax flow.

The creation of sand cast iron begins with the preparation of a mold made from a mixture of sand and a binding agent. This unique composition allows for intricate designs while retaining structural integrity. Once the mold is formed, molten iron, heated to a temperature exceeding 1200 degrees Celsius, is carefully poured into the cavity. The cooling process solidifies the iron, enabling it to take on the shape of the mold. The resulting cast exhibits a smooth finish, thanks to the meticulous preparation of the sand mixture and the careful pouring technique.

The primary components of green sand include silicon dioxide (the main ingredient), clay, and water. The silicon dioxide provides the bulk of the sand, while the clay acts as a binder that helps the sand grains stick together. The addition of water is crucial, as it enhances the mold's strength and workability during the casting process. The specific types of clay used, typically bentonite, give the green sand its unique properties, including good moldability and thermal stability.

Η συνεργασία μεταξύ τεχνοκρατών και βιομηχανίας είναι καθοριστική. Η ανταλλαγή γνώσεων και ιδεών οδηγεί σε καινοτόμα προϊόντα και διαδικασίες που βελτιώνουν την ανταγωνιστικότητα της βιομηχανίας. Οι εταιρείες που επενδύουν σε τεχνολογίες χύτευσης και την έρευνα και ανάπτυξη, έχουν τη δυνατότητα να ξεχωρίζουν στην αγορά.