Muri (Japanese term)

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For other uses, see Muri (disambiguation).

Muri (無理) is a Japanese word meaning "unreasonableness; impossible; beyond one's power; too difficult; by force; perforce; forcibly; compulsorily; excessiveness; immoderation",[1] and is a key concept in the Toyota Production System (TPS) as one of the three types of waste (muda, mura, muri).[2]

Implementation

In fact[citation needed] the big contribution of Henry Ford and his manufacturing techniques was the reduction of Muri and not so much the production line itself. In order for the production line to function each station on the line had to achieve standard work because the next station was only equipped to work on standard condition components.

The Ford production line approximates to an implementation of Takt time which gives enough time to perform the standard work.

References

  1. ↑ Kenkyusha's New Japanese-English Dictionary (2003), 5th edition, Tokyo: Kenkyusha, p. 2537.
  2. ↑ Emiliani, Bob; Stec, David; Grasso, Lawrence; Stodder, James (2007). Better thinking, better results: case study and analysis of an enterprise-wide lean transformation (2nd ed.). Kensington, Conn: Center for Lean Business Management. ISBN 978-0-9722591-2-5. 
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