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October 20, 2019

Measure, the second phase of Lean Six Sigma

by Gustavo Sosa

In a previous article I wrote about the Define phase of LSS. Today we continue with the second phase of the DMAIC cycle of improvement. LSS is a data-driven methodology. As such, the measurement part of the method is what provides the critical information required to operate. We don’t make decisions based on hunches. Or at least, we try to avoid it when there is information available.

The objective of this phase is obtaining a view of the performance of the process. We already established what is important for us in the Define phase. Now it is time to effectively measure those variables.
 


1) Determine how the process currently performs

The current state of the process shall be recorded using a process map, which is some kind of flow chart. In LSS the standard is the Value Stream Map, that shows where value is added to the product and how, but there are different options that I may analyze in a future article.

2) Create a plan to collect the data

The Define phase tells you what data is important. Now you have to decide how to collect it. The process map becomes invaluable to avoid duplication of efforts and to identify critical bottle necks. For example, checking for aflatoxins is important, but it is better to do it before milling the grain. That way, if a batch is defective, you can throw it away without wasting energy and hours in processing it.


Read more HERE.
 

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