Abstract The thrust of this research is the comparison of the constant work in process (CONWIP) order release strategy versus a typical MRP order release strategy and the validation of a CONWIP model in an actual plant environment. The Westinghouse Electric-College Station, Texas Plant served as a test facility. This plant is a typical small batch electronics products manufacturer, currently using MRP for production planning. All plant operations from order kitting, order release, assembly, testing, inspection, and shipping were modeled. Simulation results indicate that the CONWIP order release strategy could be utilized as a valid aid in reducing plant WIP, while insuring current levels of throughput.
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