【摘要】：經濟全球化的不斷深入使得企業(yè)面臨著越來越大的競爭壓力。在激烈的競爭環(huán)境中，企業(yè)在追求低成本、高效率的同時希望能夠為客戶提供高質量的產品，愈來愈多的管理者開始關注“精益的速度”與“六西格瑪?shù)馁|量”之間的融合問題，即精益六西格瑪管理法。眾多中國企業(yè)也紛紛開始積極探索精益六西格瑪管理法,然而能真正成功實施精益六西格瑪?shù)膮s并不多見。國內對精益六西格瑪管理的研究主要停留在理論層面，如何同中國企業(yè)的發(fā)展實踐相結合，形成一套具有中國特色的精益六西格瑪管理方法是困擾許多企業(yè)的難題。 本文首先在對國內外相關研究進行綜述的基礎上，詳細論述了精益生產管理和六西格瑪管理的主要內容及工具方法，，并介紹了精益六西格瑪管理的理論體系，提出精益六西格瑪管理的改善流程DMAIC II。本文的研究主要圍繞A公司提升130DB機種變壓器的制程直通率來展開，介紹精益六西格瑪管理工具DMAIC II在產品質量改進中的具體運用。在定義階段，運用精益生產原理，注重價值流程分析，識別關鍵質量特性，確定改善范圍和項目目標；在測量階段，通過對Y的測量系統(tǒng)分析、過程能力分析、FMEA分析之后，對于簡單的影響因素X用精益改善快速處理，而復雜的影響因素X則進入分析階段；在分析階段，針對復雜影響因子X采用二元ANOVA方法和篩選DOE方法判斷因子的顯著性；在改善階段，通過量化DOE實驗和因子RSM分析方法來得到最佳因子參數(shù)，從而確定最佳改善方案，同時運用精益現(xiàn)場管理對生產環(huán)境進行全方位優(yōu)化；在控制階段，確認項目改善效果，對項目效益科學評估，建立合理的控制計劃，進行標準化處理。 本文在前人研究的基礎上提出了精益六西格瑪管理的理論體系，并歸納總結了精益六西格瑪管理工具DMAIC II在產品質量改進中的具體應用步驟，對國內中小企業(yè)成功推廣實施精益六西格瑪管理有一定的借鑒意義。
[Abstract]:With the deepening of economic globalization, enterprises are facing more and more competition pressure. In the fierce competitive environment, enterprises in pursuit of low-cost, high-efficiency, while hoping to provide customers with high-quality products, More and more managers begin to pay attention to the integration of Lean Speed and quality of six Sigma, that is, Lean six Sigma Management method. Many Chinese enterprises have begun to explore Lean six Sigma management method, but few of them can implement Lean six Sigma successfully. The domestic research on Lean six Sigma Management is mainly on the theoretical level. How to combine with the development and practice of Chinese enterprises to form a set of Lean six Sigma Management methods with Chinese characteristics is a difficult problem that puzzles many enterprises. Firstly, on the basis of summarizing the related research at home and abroad, this paper discusses the main contents and tools of Lean production Management and six Sigma Management in detail, and introduces the theoretical system of Lean six Sigma Management. The improvement process DMAIC II. of Lean six Sigma Management is put forward. The research of this paper mainly focuses on improving the process pass-through rate of 130DB transformer by Company A, and introduces the application of Lean six Sigma management tool DMAIC II in the improvement of product quality. In the definition stage, use the lean production principle, pay attention to the value flow analysis, identify the key quality characteristics, determine the improvement scope and project objectives; In the measurement stage, after the measurement system analysis, process capability analysis and FMEA analysis of Y, the simple influence factor X is improved and processed quickly, while the complex influence factor X enters the analysis stage. In the analysis stage, using binary ANOVA method and screening DOE method to judge the significance of the complex influence factor X; In the improvement stage, the best factor parameters are obtained by quantitative DOE experiment and factor RSM analysis, and the optimal improvement scheme is determined. At the same time, the lean field management is used to optimize the production environment in an all-round way. In the control stage, confirm the project improvement effect, scientifically evaluate the project benefit, establish the reasonable control plan, and carry on the standardization processing. Based on the previous research, this paper puts forward the theoretical system of Lean six Sigma Management, and summarizes the concrete application steps of Lean six Sigma Management tool DMAIC II in the improvement of product quality. To the domestic small and medium-sized enterprises successful promotion implementation Lean six Sigma management has certain reference significance.
【學位授予單位】：南昌大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：F273.2;F426.4

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