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Muda, Muri, Mura

Muda, Muri, Mura. The Three Mu’s of Waste. The Three Mu’s. The Goal of Lean Methodologies is the elimination of Waste. Classifying Waste is an important step to this. The Three Mu’s are one way of doing so. They are Muda, Muri, Mura. What are the Three Mu’s.

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Muda, Muri, Mura

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  1. Muda, Muri, Mura The Three Mu’s of Waste www.uttana.com

  2. The Three Mu’s • The Goal of Lean Methodologies is the elimination of Waste. • Classifying Waste is an important step to this. • The Three Mu’s are one way of doing so. • They are Muda, Muri, Mura. www.uttana.com

  3. What are the Three Mu’s • Muda, Muri, Mura are Japanese terms for different kinds of waste. • All three are related to capacity • Translated into English they mean: • Waste (Muda) • Overburden (Muri) • Unevenness (Mura) www.uttana.com

  4. Muda • Muda can be thought of in different ways. • A general way: as any activity that does not add value. • Or, in the context of The Three Mu’s, as a waste of capacity. • This Waste is having a greater capacity than the load on the system. www.uttana.com

  5. Muri • Muri is waste that results when load exceeds capacity. • This excess load may seem necessary in order to finish work or meet deadlines. • However, it often causes errors and defects that require expensive rework. www.uttana.com

  6. Mura • Mura is waste created by a fluctuating work load on a set capacity. • This imbalance causes the errors and defects seen caused by Muri, or the waste of space and energy of Muda. • Mura links these all the Three Mu’s into a related flow. www.uttana.com

  7. Why the Three Mu’s • The purpose of thinking about waste in this way is to create balance. • A balanced workload creates the most efficient and enjoyable work environment. • Use these ideas to look for these wastes in your own operations. www.uttana.com

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