Abstract
This article presents a study on the effect of Lean practices on lead time reduction. In this study, we have proposed the consideration of human, technical and environmental factors in the study of the impact of production scheduling and SMED on manufacturing lead time. Based on the fact that scheduling and SMED go well beyond a calculation function. From our point of view, it is preferable to broaden the field of study of this impact by going beyond the fields of mathematics, operational research and artificial intelligence. In this study, we propose to start from the idea that there are other factors that can influence the expected results, namely human, technical and environmental factors. To achieve this, we went through a literature review and then tried to validate our hypotheses through a quantitative study.
Highlights
Most manufacturers would agree that lead time can be an effective competitive weapon as customers become less patient and less willing to wait for delivery of what they order
A good Lean practices implemented such as production scheduling and SMED produces high quality product at the speed of customer demand with minimum waste (Peter Ward & Honggeng Zhou, 2006)
After the implementation of Lean practices, the majority of companies find a significant discrepancy between the results calculated theoretically and the results found in the field
Summary
Most manufacturers would agree that lead time can be an effective competitive weapon as customers become less patient and less willing to wait for delivery of what they order. Many companies with an aim of increasing efficiency and effectiveness (Womack and all., 1990; Snee, 2010) have adopted lean practices This means continuous improvement in quality services and products, waste and cost reduction, customer satisfaction and job satisfaction. We can say that the study of the effect of Lean practices (production scheduling and SMED) on the manufacturing lead time by taking into consideration these factors still remains a blank space and raises several questions. It is in this context that our research work takes place. We will present the data collected, the sample chosen and the results obtained
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