Six Sigma Activity and the Trend of Quality Management

What is the present Quality Management?

1. Today, Quality means the broad idea

2. Customers are most important

                                                                                                   The appearance of new products
The market is changing always          Change of products in customers
                                                                                                     Invasion by competitors

 

 

What is Quality?

 

3. Quality by all and by the quality of people

 

 

4. Activity in excellent companies

6 Sigma Activity
 

 

5. About the six sigma

 

Sigma (σ): A statistical term that shows dispersion.

Dispersion: Statistical frequency of occurrence.
 

The system to make every error and defect of business below 3.4 times in one million times.

Why Six Sigma was born in the USA?
Thorough Research of Japan by the United States


                   Comparison of Japan-U.S. on the occurrence of error

 

 

6. The process of Six Sigma Activity

 

In the Six Sigma, it is assumed, "The enemy of management is in the dispersion“ and the dispersion is expressed with COPQ (Cost of poor Quality). Reproduction cost, an abandonment cost, and an inspection cost are visible cost. However there are invisible costs such as cost for changing plan, materials procurement cost, design change cost, and inventory cost, etc.