Six Sigma Essay

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Total Quality Management Assignment On Six Sigma Six Sigma Introduction Six Sigma is a highly disciplined process that helps focus on developing and delivering near-perfect products and services. It was developed by Motorola in 1986, coinciding with the Japanese asset price bubble which is reflected in its terminology. Six Sigma became famous when Jack Welch made it central to his successful business strategy at General Electric in 1995. Today, it is used in many industrial sectors. The term Six Sigma originated from terminology associated with manufacturing, specifically terms associated with statistical modeling of manufacturing processes. The maturity of a manufacturing process can be described by a sigma rating indicating its yield or the percentage of defect-free products it creates. A six sigma process is one in which 99.99966% of the products manufactured are statistically expected to be free of defects (3.4 defective parts/million), although, as discussed below, this defect level corresponds to only a 4.5 sigma level. Motorola set a goal of "six sigma" for all of its manufacturing operations, and this goal became a by-word for the management and engineering practices used to achieve it. Sigma Levels: Sigma Level | Defective parts/million | 2 | 308,537 | 3 | 66,807 | 4 | 6,210 | 5 | 233 | 6 | 3.4 | Six Sigma Methodology: Six Sigma has following two key methodologies: 1. DMAIC: refers to a data-driven quality strategy for improving processes. This methodology is used to improve an existing business process. This methodology consists of following five steps. * Define: Define the Problem or Project Goals that needs to be addressed. * Measure: Measure the problem and process from which it was produced. * Analyze: Analyze data & process to determine root causes of defects and opportunities. * Improve: Improve

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