Abstract
In some manufacturing industries, starting raw material size is critical to determining how much material will be scrapped by the end of a process. Process planners working in aluminum profile extrusion industry, for example, need to select appropriate aluminum billet sizes to be extruded to meet specific customer orders while minimizing resulting scraps. In this research, extrusion process is classified according to how billets are extruded, namely multiple extrusions per billet and multiple billets per extrusion. Mass balance equations for each configuration are used to formulate a yield optimization problem where billets are pre-cut to specific sizes and kept in stock. Both models are non-linear and discrete. The solution procedure is developed using an enumeration technique to identify the optimal solution. It is validated with extrusion data from an industrial company. Its effectiveness is demonstrated using various case studies.
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Hassamontr, J., Leephaicharoen, T. (2021). Modeling of Aluminum Profile Extrusion Yield: Pre-cut Billet Sizes. In: Vasant, P., Zelinka, I., Weber, GW. (eds) Intelligent Computing and Optimization. ICO 2020. Advances in Intelligent Systems and Computing, vol 1324. Springer, Cham. https://doi.org/10.1007/978-3-030-68154-8_41
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DOI: https://doi.org/10.1007/978-3-030-68154-8_41
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