Quality Improvement Tool Six Sigma: A Literature Review

Six Sigma Methodology which was developed in 1980`s at Motorola (USA) has recently caught up with time in improving quality in large and as well as medium sized industries. Here, we are talking about the concept of six sigma & its implications in several fields. After going through the paper the reader will become fully aware of six sigma methodology as to how it optimizes the manufacturing without compromise with quality. These days apart from big industries, medium scale industries are also adapting it fast to optimize the quality. No doubt this is a revolutionary way of improving quality! Six Sigma is a systematic approach or strategic tools used by the leading organizations to achieve accuracy or good quality of the product with the maximum profit or at low cost. Six Sigma is based on the principle or methodology named as DMAIC principle contains a systematic examination of the process from starting to the finishing of the product. In the starting, we choose the product having the Part per Million (PPM) in terms of rejection is very high and need to be improved. We apply Six Sigma methodology in the terms of DMAIC principle for reducing the Part per million (PPM) of the product in terms of rejection so, In this situation, quality improvement activities have become a part of the business culture and a way of life. The very paper reflects light on the same theme.