March 03, 2009

Lean and Six Sigma

Today while researching I realised that the main difference between lean and six sigma is that one focuses on the process route while the other focusses on a specific part of the business or process to reduce variation. The main aim for both is to reduce variation. If both are combined it can be a very useful tool to fight variation in the process.

Lean works on redesigning the process while six sigma works on a part of the business. Different methods used i lean are cell manufaturing, just in time.......while in six sigma one uses the dmaic cycle and so on.

- 2 comments by 1 or more people Not publicly viewable

  1. I’ve been doing on the same question as yours, Ahbi.
    Just wanna know some clarifications about what u said “six sigma works on a part of the business”.
    Because i think SS may be able to apply in various part of business. Is that about SS can be used only on quantitaive measurement?
    May i have an example about the part of the business?

    Cheers, :)


    03 Mar 2009, 21:41

  2. Toon, sorry for confusing you. I mean six sigma can work on various parts of the business. I may have to do the pdca cycle on the affected area. For example late deliveried in presto pizza example. It was the primary focus. While lean will look at the enitre process from start to finsh and see that the route is optimum, does not waste time and little to no waste.

    I hope this helps

    04 Mar 2009, 16:33

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