Retrospective Analysis of a Designed Experiment

Abstract:Design of experiment (DOE) techniques have been successfully used by India’s Department of Defense Production to optimize the process parameters for a plastic injection-molded part used in the manufacture of tank deterrents. The goal was to get results in a short time with minimal resources and budget. A two-level factorial design involving simultaneous adjustment of factors with a minimum number of experiments was considered adequate. Retroactive analysis showed that DOE provided an improved process variable setting, but that setting was not the optimal solution. A statistical software package helped in optimizing the process more …

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