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Unformatted text preview: around the pattern, taking on the shape of the desired casting. Sometimes the design of the casting entails internal passageways being formed into the mold. This is done by using sand cores which are made of a similar sand mixture. The cores are strategically placed to form the necessary passageways in the casting. The two halves of the mold are subsequently closed and metal is poured into the cavity and left to solidify. After solidification has taken place, the sand is vibrated until it is released from the casting. The finishing process can then be completed by grinding, machining, plating and painting....
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This note was uploaded on 10/23/2011 for the course BBENG KUEU4132 taught by Professor Dr.lim during the Spring '10 term at University of Malaya.
- Spring '10