Proper Lean Six Sigma implementations today focus on using the right tools for the job. As the saying goes: if all you have in your toolbox is a hammer, everything begins to look like a nail.
As a result, the principles of Lean Manufacturing have combined with the methodology and toolset of Six Sigma to make Lean Six Sigma, sometimes called Lean Sigma. It’s your job, as the practitioner, to master all the tools of Lean Six Sigma, and to use only the appropriate tools to solve any business problem you’re facing.
So Why is Lean Six Sigma Useful?
Lean Six Sigma provides a comprehensive toolset that allows a practitioner to solve any problem they’re facing in their business. And if there happens to be a better tool outside of the “normal” toolset, such as Theory of Constraints, Lean Six Sigma practitioners know that they should seek them out and incorporate them into the DMAIC methodology at the appropriate time…not too early, not too late.
Other methodologies and toolsets that are often combined or used within the Lean Six Sigma DMAIC framework include: