chapter 7Improve Stage

After the types and sources of variation in the analyze stage are understood, the improve stage of the define, measure, analyze, improve, and control (DMAIC) problem-solving methodology can begin to define and implement changes necessary for process improvement.

Objectives

There are several issues to be completed within the improve stage of DMAIC:

• New process operating conditions are determined.

• Failure modes for the new process are investigated and addressed.

• Benefits associated with the proposed solution are estimated by the team and approved by the sponsor.

• Process improvement is implemented and verified.

The outcome of each of these steps may cause a reconsideration of the assumptions from prior steps, forcing ...

Get Six Sigma Demystified, Second Edition, 2nd Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.