This paper describes the thermal analysis in the filling system of sand casting process. The thermal effects play important role to overcome defects in casting process. Therefore, an experiment was carried out in order to obtain the temperature history in the sand casting process. Two types of experiments were carried out i.e. 2-ingate mould and 3-ingate mould. The results revealed that the sand points of 3-ingate moulds give higher temperature than 2-ingate mould. For cast points, temperature of 2-ingate moulds dropped faster than the 3-ingate moulds. The temperature gradient was recorded in the casting cycle. The results were also presented in a format, which enable convenient comparison with predicted data.
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