The Four Pillars of Built-In Quality

A good foundation is essential to an effective quality system

The Toyota Production System (TPS) house diagram is often drawn with a triangular roof, a rectangular foundation, and two rectangular columns between the foundation and roof. The space between the columns is filled with one’s choice of the systems, tools, and principles to suit the lean enterprise application. There is some variation on what goes into the foundation, but few disagree that kaizen, standardized work, and heijunka belong there. The columns are just-in-time and built-in quality (aka jidoka).

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Comments

Good article for Manufacturing

Jon-

We have discovered that although standardization makes perfect sense for manufacturing, that it does not for service. It does not account for the variety of demand that service systems see. This has been learned through service engagements in a multitude of industries. The result too often is failure demand increasing costs and worsening service.

Tripp Babbitt

I didn't see Jon reference

I didn't see Jon reference anything other than manufacturing.