Abstract

AbstractBlasting system has been widely used in industry so far. The optimization to reduce the blasting cost is necessary. The current study presents on a method to optimize the replaced nozzle diameter made of aluminum oxide of blasting system. The solved issue is based on finding the objective function of minimizing the blasting cost. The Design of Experiment (DOE) method is applied using Minitab19 to investigate the influence of seven input parameters on the response, the optimum replaced nozzle diameter. According to the obtained results, it is known that the optimum replaced nozzle diameter is crucially/highest impacted by the initial nozzle diameter dN0. Furthermore, the interactions between input parameters also have important effects in which the initial nozzle diameter is the key factor when combined with others and has significant impacts on the response. In addition, the effectively suggested regression model is wholly suitable to the experimental data. With this result, it is simple to calculate the optimum replaced nozzle diameter.KeywordsAbrasive blastingSand blastingReplaced nozzle diameterAluminum oxide nozzle

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