From the course: Lean Foundations

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The pull approach

The pull approach

- Technology management consultant, David J. Anderson, recently wrote, "An interesting side effect of pull systems "is that they limit work-in-progress "to some agreed-upon quantity." Now, that's a great line, but I'm not so sure I agree about it being a side effect. It seems to me that the actual purpose of a pull system is to limit that inventory to the lowest level possible, while still meeting your customer's requirements. A pull system is driven by the customer requirements. For example, material is moved through a factory only when needed to fill a customer order, or in some factories, an anticipated order, one based on a demand forecast. Okay, but how do we do that? A common approach is the use of a Kanban system. Kanban is a production control system that uses visual signals to control what will be produced and when. A standard signal in the factory, for example, is a Kanban card or container. Based on a customer…

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