An Essay on Basics of Six Sigma

This is a custom written essay on six sigma

This is a custom written essay on six sigma. The essay can be one of the best among custom essay writing services. You can comment on the quality The Greek alphabet sigma has been used as a measure of variation from a central mean of a physical quantity that varies randomly about the mean. Higher the sigma value higher the variation. Most production processes do exhibit a tendency to vary about the mean value. A typical normal distribution curve as shown in figure 1 helps to understand the two key terms that have been used i.e., mean and variation. With the above property, it is clear that if process has a variation such that the acceptable limits of the process fall outside the range of 6 () then the process will have a defect rate less than 2 parts per billion. In most industrial processes both the () and the mean (m) tend to change with time. A Six Sigma process is one that can deliver a defect rate of less than 3.4 parts per million even when the mean itself shifts by up to 1.5() in either positive or the negative direction. The Six Sigma philosophy While Six Sigma may appear to be just another quality control tool that aims at delivering defect free products to an organization's customers, it goes much beyond being just a defect-eliminating tool. It is a process that aims at customer satisfaction by delivering his requirement. Six Sigma is therefore customer centric and all improvement action begins with a clear definition of what the customer needs are. Central to the theme of Six Sigma is the elimination of waste of all kind resulting in the optimal use of all resources in an organization. Optimal use of resources results in reduced costs and thus improved profitability, improved customer satisfaction also results in increase market share which in turn results in improved profitability. The outcome can be represented as shown in figure 2. Implementation Implementing Six Sigma involves a five step process also called DIMAC. Define: The goals of the existing system. Choose a process or product critical to business success. A clear customer focus is implicit in defining the goals of the system. It is only when the customer requirements are clearly understood that the critical processes can be identified and the process goals established. Improve: The system determines methods to change the process significantly and cut defect levels. This may involve redesigning both process and products so that they are in line with customer requirements. Advanced tools such as experimental design could also be used. Measure: The current system identifies the process parameter or product attribute that is critical to achieving the product/process goal. Establish to what extent the product /Process is achieving the goals. Analyzes: The system identifies potential areas for improvement, using simple quality tools like pareto analysis, cause and effect diagrams etc and basic statistics. Control: The new system monitors the new process to ensure the gains are realized and also sustained over a period of time. This will involve use of Statistical Process Control (SPC) techniques. The impact In striving to improve customer satisfaction, reduce wastage; improve margins and market share one has to endeavor to improve the entire value chain. Working internally within the company can yield good results but for long-term results one will also have to work with operations external to the organization. In a typical value chain represented above the only aspect of the chain strictly within the organizations control is the value adding process. However, to achieve the goal of delivering the customer requirement the organization will have to work closely with both the suppliers and the distributors of the product or service. This can lead to a cascading effect wherein all the elements in a supply chain can over a period of time achieve minimization of waste. Conclusion Six Sigma is a powerful tool to improve the long-term viability of an organization and can be an agent of both change and growth. This is amply proven by the experiences of a number of companies three of whom have been cited as examples. The Six Sigma approach is not restricted to an organization alone it does have a cascading effect and has the potential to be the change agent of the Indian economy as a whole, making Indian industry more competitive globally. The Author has been writing for custom essay writing services for many years. His specialization includes management essays, philosophy essays and admission essays.

An Essay on Basics of Six Sigma

By: Philip Scott

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