Kaikaku
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
In contrast to "Kaizen" (incremental, small-step improvements), Kaikaku refers to radical, disruptive, structural changes (e.g., changing from assembly line production to cellular manufacturing).
SCAFFOLDING EFFECT
Reduce cognitive load
Break local optima. When you find that you are doing Kaizen every day but the results are getting worse, it indicates that the system has reached its limits. At this point, Kaikaku is needed to restructure the system, even if it brings short-term chaos.
Anchor fast decisions
Kaikaku is the "radical change" in lean management, as opposed to incremental Kaizen. Its principle is: systems have structural constraints; local optimization is limited by the old architecture, and marginal improvements diminish to zero. At this point, it is necessary to restructure system parameters (layout, processes, organization) and make a one-time leap to a better form. It acknowledges that "incremental" and "disruptive" are complementary—Kaizen refines the existing system, while Kaikaku replaces the system itself. The cost is short-term chaos and learning, and the benefit is breaking through local optima.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Kaikakuverified
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