六西格玛：追求零缺陷的质量水平(国外英文资料).docVIP

六西格玛：追求零缺陷的质量水平(国外英文资料) For the last twenty years, one word has attracted the CEO of big companies and Wall Streets financial analysts. The word is 6 sigma (Six Sigma). Six Sigma, as a very strict business process system, can be said to be a collection of all advanced quality management tools, and can help enterprises truly realize the zero defect of the product. Sigma is a statistical term used to measure the quality of a process. The magnitude of the sigma is 2~6, which represents how many defects there may be in a million products. For an average company, a 4 Sigma is a good achievement, which is equivalent to 6000 defects per million products (99.4% pass rate). Our goal is 6 Sigma, which is equivalent to 3.4 defects per million products, that is, the pass rate is 99.9997%. The higher the qualification rate, the higher the economic efficiency. Therefore, six sigma plays an important role in improving the operation of the company. There is a fundamental difference between the Six Sigma and quality improvement systems - Total Quality Management (TQM). TQM emphasizes the process of problem solving, which leads to the formation of improved teams and self-improvement teams. The implementation function depends on the quality department, which makes it difficult to form an integration plan throughout the business. And Six Sigma is different, it is a quality improvement strategy as the support of business strategy. It uses statistical methods to eliminate and prevent defects in processes, products, services, documents and decisions through problem-solving tools and preventive tools to achieve the perfect quality level of 99.9997%. Why Six Sigma? In todays market environment, it is very difficult for any product to maintain its monopoly position for a long time. Competition in similar products or services inevitably focuses on pricing, which lowers prices. If the cost of producing or delivering a service remains the same, it is clear that mere price cuts will affect the