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This document discusses causes of broken or cracked castings. Some key causes mentioned include irregular casting designs with isolated heavy or light sections, lack of fillets in designs, improper gating and risering systems that promote stresses, cores or flask equipment that restrict collapse during cooling, and molding sands with poor collapsibility. Improperly designed patterns, gates without break-off notches, and metal compositions that are sensitive to section size or cooling rate can also contribut

Author

Anastasia Eva

Language

EN