Browsing by Author "Selamawit, Gebreyohannes"

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    Development of Integrated Lean Six Sigma-Baldrige Framework for Manufacturing Waste Minimization: (A Case of NAS Foods Plc.)
    (Addis Ababa University, 2018-06) Selamawit, Gebreyohannes; Kassu, Jilcha (PhD)
    In this research the integration of some advanced tool for waste minimization and continuous quality improvement of biscuit industry on production process are investigated. Nowadays, food industry makes significant contribution to national economy in many developing countries. Here in Ethiopia less contribution in an improvement of biscuit industry analyzed and waste minimization. There are different wastes that are identified by Six sigma (DMAIC) on NAS food Plc.as a result the value of waste ratio is 36.7%, this shows non lean. The defect of the company also calculated and defect per million are 67,308. This shows that the biscuit production has a production capability with a failure of 67,308 every 1,000,000 productions. The other problem here is there are limited studies were conducted so far to implement waste minimization tools like six sigma, lean and MBNQA framework. The main objective of this study is to develop an integrated continuous quality improvement model so as to minimize waste of biscuit process manufacturing. The lean six sigma were created to define, measure and improve the process waste of the company in other way baldrige with six sigma were created to define, measure and improve management perspective. The tasks were integrated using both quantitative and qualitative analyses. As a result and improve by using FMEA was carried out at each stage of the existing process used to determine the failure of the process and to analyze and improve the production quality and the result of highest RPN on Stacking and packaging process so they should take action for waste minimization and continuous quality improvement. Also correlation and regression analysis result by using SPSS software shown strong relation between each variance. Lastly, it proposed continuous quality improvement model.