Browsing by Author "Wondwossen, Adem"

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    Enhancing productivity of Ethiopian Hand Tool Industry through Lean tool (A Case of Negate Mechanical Engineering Sch.Co)
    (Addis Ababa University, 2020-09) Wondwossen, Adem; Sisay, Addissie (PhD); Yichalewal, Goshim (Mr.) Co-Advisor
    Introduction: Productivity Improvement in Ethiopian metal industries is a major area of economic activity that concerns, cost savings, measurable quality gains, improved consistency & rapid payback. Hand Tool industries in Ethiopia are not a skilled person to implement new technologies for improving productivity and flexibility. Lean manufacturing contributes significant improvement efforts to solve the productivity problem of the Ethiopian hand tool industry. Research Purpose: This paper is aimed at improving the productivity of the Ethiopian hand tool industry using a lean management tool and develops a continuous productivity improvement model of the Ethiopian hand tool industry. Methods: This paper has been implemented in Negate Mechanical Engineering Sch.co. This is located in Addis Ababa, Ethiopia. A well-designed questionnaire was distributed to 60 employees at the case company. Besides the questionnaire, semi-structured interview questions and workplace observation is conducted. The collected data was then entered and analyzed by using SPSS software version 20 and Visio professional. Results /Findings: The study shows that waste has a significant impact on Productivity. Pearson Correlation is used to determine the relationship between waste, idle time, Customer requirements, Productivity improvement problem, and Continuous improvement variable. The result shows the lead time of the current VSM higher than the future VSM. The result indicates that there is the highest correlation between waiting waste vs. unnecessary motion waste and Defect vs. over production waste. Lean and Kaizen have the highest correlation in continuous improvement variables. Conclusions: To minimize waste of the hand tool industries, Lean management has answered the research question and to improve the productivity of the company.