A defense of old-fashioned WIP accumulation | Manufacturing Digital | lean manufacturing | Scoop.it
Toyota pioneered modern lean manufacturing and created a highly efficient and reliable manufacturing system that the rest of the world sought to adopt with huge variations in success. A main thrust of Lean philosophy is to closely examine manufacturing processes, find unnecessary steps and eliminate them. The same philosophy suggests that we should only allow room for value adding steps – in terms of value perceived by the customer – as this drives up efficiency and enables us to manufacture simpler and faster. It is said that accumulating work-in-progress through the process ties-up resources and can obscure problems and is therefore deemed to not add value, so conventional Lean thinking is to eliminate this wasteful step.With this thinking comes a generally held view that Lean manufacturing and Accumulation cannot coexist....