Parameter optimization of CO2 casting process by using Taguchi method

This study demonstrates optimization of CO2 casting process parameters by using Taguchi’s design of experiments method. The CO2 casting process involves a large number of parameters affecting the various quality features of the final product. The process parameters considered in this research work are weight of CO2 gas, mould hardness number, sand particle size, percentage of sodium silicate, sand mixing time, pouring time, pouring height, pouring temperature, and cooling time of poured metal. The effect of the selected process parameters on casting defects and subsequent setting of the parameters have been accomplished by using Taguchi’s parameter design approach. The result indicates that the selected process parameters significantly affect the defects of CO2 casting. The results are further conformed by conducting confirmation experiments.

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