Just In Time Production (Shigeo Shingo)

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Just in time production is about supplying the costumers with what they want, exactly when they want it. Traditional manufacturing tended to large batch production as this gave economies of scale, however required large inventories of raw materials and finished goods. Orders are "pushed" through the system. The aim of just in time is to minimize inventories by only producing what is required, when it is required. Orders are "pulled" through the system, triggered by a costumer order. This reduces costs and waste throughout the production process. In summary, Shigeo Shingo focused on practical differences that made immediate differences, rather than theory.