Understanding the Benefits and Limitations of （理解的优点和局限性）.pdf

International Journal of Scientific and Research Publications, Volume 2, Issue 1, January 2012 1 ISSN 2250-3153 Understanding the Benefits and Limitations of Six Sigma Methodology Nilesh V Fursule, Dr. Satish V Bansod, Swati N. Fursule Abstract- Six Sigma is both a philosophy and a methodology However, despite the immense popularity and the wide-spread that improves quality by analyzing data with statistics to find the adoption of Six Sigma, there is an increasing concern across root cause of quality problems and to implement controls. industries regarding the failure of Six Sigma programs. One Statistically, Six Sigma refers to a process in which the range reason many Six Sigma programs fail is because an between the mean of a process quality measurement and the implementation model detailing the sequence of Six Sigma nearest specification limit is at least six times the standard elements/activities is not available. The existing literature deviation of the process. identifies many elements of Six Sigma which does enhance our Despite the pervasiveness of Six Sigma program understanding of Six Sigma programs. However, the success of implementations, there is increasing concern about Six Sigma programs hinges on the sequence of many Six Sigma implementation failures. One reason many Six Sigma programs elements/activities o