During the process of forming the hood multiple dings were found in the hoods in random patterns.
Through statistical analysis (Shainin method) is was found the cleaning system was not adequately recycling the water through the filtration system. As a result fitration system allowed particles cleaned from the metal to be re-deposited on the material just prior to the parts being stamped and formed which resulted in dings created in random patterns.
Approximately $300,000 dollars was saved in the amount of rework for removing the dings.
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