8 Effects of Component Commonalities and Various Uncertain Factors on Production System
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Published:2010
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In this paper, the authors have investigated the effects components commonality and uncertainty - namely lead time and machine breakdown, in a multi-stage dependent demand environment. The throughput of the finished products and production cycle time are examined for different experimental scenarios with reference to an existing manufacturing setting. The situations of the production lines are analyzed in WITNESS. Simulation models are developed, and these are verified and validated with the collected historical data. It is observed that inclusion of common components in the manufacturing system is generally beneficial over the non-commonality environment, especially i) in uncertain situations, ii) for long procurement lead time of components and iii) when the number of parts increase in the system. Impacts of machine breakdown on system outcomes are higher than that of the lead time variation. The combination of uncertain factors has more impact on outcomes compared to the individual factor.