Patxi Ruiz-de-Arbulo-Lopez

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The term “lean manufacturing”, (Womack et al., 1990), refers to the generalization of the Toyota Production system (TPS), also called Just-in-Time (JIT). One feature of such system is the reduction of costs through elimination of waste (Sugimori et al., 1977). Waste or muda (in Japanese) is anything that does not add value to a product. Elimination of muda(More)
Purpose – Since lean manufacturing considers that “Inventory is evil”, the purpose of this paper is to find and quantify the relations between work-in-process inventory (WIP), manufacturing lead time (LT) and the operational variables they depend upon. Such relations provide guidelines and performance indicators in process management.(More)
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