lean thinking
https://gyazo.com/f37d37bc2eebd14e486643319fc71b13
After Lean Startup was talked about, you might think, "Is there a new book out?" but the original first edition was published in 1996. The book is the beginning of the beginning of the crystallization of the concept of Lean in the language of Lean.
Part 1: Lean Principles
Phosphorus thinking and waste
value
Stream of Value
flow
pull
Pursuit of perfection
Part 2: Leap to Lean: From Thought to Action
Simple case
Complicated cases
touchstone
Lean Thinking and German Technological Supremacy
Giant Toyota, Small Showa Ironworks
plan of action
Part III.
A ditch for a creek, a valley for a ditch.
Dreaming of perfection
Illusion that batch processing is more efficient
Taichi Ohno
Agriculture = annual harvest season = annual batch
Reducing batch size is not possible due to climate constraints
1913 Henry Ford "Model T Ford" final assembly reduced man-hours by 90% by making it a flow operation.
Note: The same Model T Ford was produced for 19 years
Optimization of mass production of the same thing
After WW2: Taichi Ohno
Flow production system" in high-mix low-volume production is necessary
Stream Metaphor
Not a big river, but a creek
pull
Upstream does not produce a product or service until downstream customers demand it
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