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Tuesday, September 3, 2013

LEAN - Muda , Muri , Mura

MUDA is one what we call the “3Ms” . The other two are MURI, overburden, and MURA, unevenness. Eliminating all three of these will result in efficient, rationalized production.
MUDA : Non-value added or waste
MURI : Overburden
MURA : Unevenness
MURI, or overburden, is at opposite end of the spectrum from MUDA.  MURI is pushing a machine or person beyond natural limits. Overburdening people results in safety and quality problems, and overburdening machinery is a direct cause of breakdowns and defects.
MURA, the third of the 3M’s, can be viewed as combination of the first two M’s: at times there is excess capacity and at time overburden. Such unevenness results from an irregular production schedule or fluctuating production volume.
MUDA, is an automatic result of because unevenness in production levels means that it is always necessary to have on hand enough equipment, materials and people for highest level production–no matter what the level may be at any given time.

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