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All you wanted to know about Six Sigma

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  1. Introduction
  2. A short study of the importance of Six Sigma
  3. The genesis and history of Six Sigma
    1. Chronology of events
    2. Concept of Six Sigma
  4. One to six sigma conversion table
  5. Methodologies of Six Sigma
  6. Define, measure, analyze, improve and control
  7. The levels of Six Sigma
  8. Strategies of Six Sigma introduction
  9. The Six Sigma as an organization
  10. Financial benefits of Six Sigma projects
  11. Limitations of Six Sigma
  12. Six Sigma vs Total Quality Management
  13. Application of Six Sigma in various industries
  14. Tips of managing Six Sigma effectively
  15. Future of Six Sigma
  16. Conclusion

Six Sigma can be used to create a brand new business process from ground up. Six Sigma strives for perfection. It allows for only 3.4 defects per million opportunities for each product or service transaction. Six Sigma relies heavily on statistical techniques to reduce defects and measure quality. Six Sigma experts (Green Belts and Black Belts) evaluate a business process and determine ways to improve upon the existing process. Six Sigma incorporates the basic principles and techniques used in Business, Statistics, and Engineering. These three form the core elements of Six Sigma. Six Sigma improves the process performance, decreases variation and maintains consistent quality of the process output. This leads to defect reduction and improvement in profits, product quality and customer satisfaction. Six Sigma methodology is also used in many Business Process Management initiatives these days. These Business Process Management initiatives are not necessarily related to manufacturing. Many of the BPM's that use Six Sigma in today's world include call centers, customer support, supply chain management and project management. Indian companies are feeling the increasing strain of the rapidly shrinking global village. If they are to compete, a reliance on low cost leverage is no longer enough to remain competitive. A growing number of organizations within India are now discovering that Six Sigma is the powerful catalyst needed to successfully combine higher quality and substantial cost savings to achieve a breakthrough.

[...] All improvement ideas are likely to be credited to six sigma regardless of the approach actually used The Six Sigma Engineering Organization: Here, the attempt is to develop skills in the Engineering functions. The project objectives are usually based on new products, product changes or problem solving. One of the advantages is the relatively higher level of educational and technical background of the individuals that enables them to learn at a faster pace. On the other hand, individuals from other functions do not appreciate the efforts in absence of the awareness of the techniques Strategic selection of six sigma projects: The senior management sometimes feels that the current quality processes are generally working well to achieve the overall strategic plan. [...]


[...] Listing out all these benefits clearly shows the potential impact that the six sigma process can have on any organization. The question is that how does one achieve six sigma. I will throw some light on that part of it in the application section of this project from my understanding on how to achieve six sigma. Just to conclude on why I chose this topic for my project on quality control I would like to say that six sigma can achieve in the following success factors: Cost reduction Productivity improvement Market share growth Customer retention Cycle time retention Defect reduction Culture change Product/service development Generates sustained success Sets a performance goal for everyone Enhances value to customers Accelerates the rate of improvement Promotes learning and ?cross-pollination? Executes strategic change LIMITATIONS /BOTTLENECKS OF SIX SIGMA 1. [...]


[...] Although often perceived as a quality control effort, SIX Sigma activities attempt to prevent errors rather than repairing defects already incurred. Typical organizations operate at three-sigma error rate per product or process output. Sigma unit increases portray significant reductions in defects (variability within the population) and higher yields (output) that conform to expected quality standards. A positive sigma unit movement can translate into a 20 percent improvement in operating margin. Error prevention can also enhance working capital turnover by increasing cash collections and lessening inventory stocks, speed product innovation, and reduce capital spending needs through better utilization of existing capacity. [...]

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