H. James Harrington's November column is a cliffhanger. Harrington traces the roots of Six Sigma from Motorola through GE and into some further improvements from Allied Signal.
Motorola's Six Sigma program highlights:
- Record hard savings
- Focus on measurement
- Statistical analysis
- Process mapping
- Process capability analysis
- Statistical process control
- Graphical methods
GE's management ..brought some changes to the Motorola model:
- it added "define" to MAIC, making it DMAIC
- it placed a strong focus on the voice of the customer
- it added process redesign to Six Sigma
- it pushed Six Sigma into the product development area, creating Design for Six Sigma
- it extended Six Sigma to service
- it achieved cost savings as a result of changes to the process, not only from reductions to the staff.
Harrington then traces through the lean concepts at Ford, the death of lean at Ford, and ends with a question, :with lean all but dead in the auto industry, how and why did Toyota bring it back to life in the 1960's?"
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