Determination of Robust Parameters for Deodorant Spray Gas Filling Process Using the Taguchi Technique
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Abstract
The cosmetics industry, including deodorant sprays, is experiencing rapid growth, with increasing competition driving manufacturers to adapt and enhance the efficiency of their production processes. The gas filling process is particularly crucial, as it impacts both product quality and production costs. This research aims to determine parameters that are robust against temperature variations, ensuring that the gas filling mass stays within the target range, even in the presence of external disturbances. The experimental process employs the Taguchi technique, with the following parameters controlled: 1) gas filling pressure, 2) gas filling speed, and 3) cylinder volume, each as control variables with three levels. Additionally, 4) environmental temperature is considered a noise factor with three levels. The experiment utilized an orthogonal array to design the layout, with internal arrays for controlled factors and external arrays for noise factors, combined in a cross arrangement. After designing the crossed array, the gas filling experiment was conducted, and Minitab software was used to analyze the results. The signal-to-noise ratio was selected for a "target is best" response type to maintain the gas mass within the target range of 72 grams per can. The optimal parameters identified were 1) gas filling pressure of 2.0 MPa, 2) gas filling speed of 65 cans per minute, and 3) cylinder volume of 128 mL. After adjustments, the results achieved a target mass range of 70.97–72.54 grams per can, with a 30.22% reduction in standard deviation, leading to a 52.20% reduction in waste and costs.
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