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Mura is the
variation and inconsistency in quality and volume in
both products and human conditions. Lean focuses on how
the work design is implemented and the elimination of
fluctuation at the scheduling or operations level, such
as quality and volume.
Muda is the
Japanese word for waste. It specifies it specifies any
human activity, which absorbs resources, but does not
directly add customer value. These non-value-adding
activities and results are to be eliminated.
Lean
Manufacturing is, in its most basic form, the
systematic elimination of
7 wastes – overproduction, waiting, transportation,
inventory, motion, over-processing, defective units –
and the implementation of the concepts of continuous
flow and customer pull.
Muda is discovered after
the process is in place and is dealt with reactively. It
is seen through variation in output. It is the role of
management to examine the muda in the processes and
eliminate the deeper causes by considering the
connections to the muri and mura of the system. The muda
and mura inconsistencies must be fed back to the muri,
or planning, stage for the next project. |
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Toyota Problem Solving
Techniques
3 Basic Principles
of Continuous Improvement
10 Kaikaku
Commandments
14 TQM Slogans at
Pentel, Japan
Key Features of Lean Production
Characteristics of Lean Manufacturing Systems
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