Lean Six Sigma – E2 – Lean Methodology and the 7 Wastes

Lean Manufacturing, Lean Production, Lean Office have the common root of the Lean Methodology. In this video is explained the Lean portion of the Lean Six Sigma Methodology and the 7 wastes.

📹 Related Videos

– Lean Six Sigma – E1 – Six Sigma and DMAIC Cycle

– Lean Principles

📕 Related Books

Toyota Production System: Beyond Large-Scale Production

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✏️ Here is the Transcript of the Video


In the first video of this Lean Six Sigma tutorial, I introduced Six Sigma and the DMAIC cycle.

In this second video, we will analyze the Lean methodology.

I am Mark Anderson a Lean expert with over 20 years of successfully implemented projects and founder of Lean Vlog.

The Lean methodology aims to identify and eliminate waste to obtain maximum speed and flexibility of production and business processes to obtain what is needed when needed and in the quantity needed by the customer who requests it.

▶ Lean Methodology

Using terms such as lean manufacturing or lean production can be limiting as the Lean method can be used both in production processes but also in support processes, for example:

Lean Manufacturing or Lean Production is used in production processes.
Lean Office is used in support and service processes.
Lean Design is used in research and development.
Lean Healthcare is used in hospitals.
Lean Construction is used in the construction of buildings.

It should be clear, however, that the Lean methodology applies to any process with results in terms of productivity, lowering costs, increasing speed, etc.


▶ The 7 Wastes

We have therefore established that the Lean methodology focuses on reducing waste.

But what is the meaning of the word waste?

Waste means that we have an expense of resources such as time, material, man-hours, etc.

For which the customer is not willing to pay as through the use of these resources no value is added to the product or service provided.

By eliminating waste, it is, therefore, possible to increase the value of products and services for the end customer, saving the use of resources.

Taiichi Ohno, who is recognized as the father of Lean Manufacturing was the first to categorize waste into 7 categories.

The categories are:
– Transport
– Inventory
– Motion
– Waiting
– Overprocessing
– Overproduction
– Defect

Taiichi Ohno, in his book Toyota Production System Beyond large-scale production
overproduction is defined as the father of all waste and therefore the first of the waste to be eliminated.

You can easily remember the 7 wastes through an acronym. TIM WOOD.

▶ Conclusions

In this video, I defined that the Lean methodology aims to identify and eliminate waste.

Waste costs resources and does not add value for the end customer.

Waste was categorized by Taiichi Ohno and the father of all waste is overproduction.



my name is Mark Anderson a 20+ year Lean Expert.
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