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A Case Study of the Use of an Experimental Design in Preventing Shorts in Nickel-Cadmium Cells

Summary: The work of a "Juran team" set up to solve a quality problem that was costing the company tens of thousands of dollars annually in scrapped nickel-cadmium cells is described in this case study. The team used a Pareto chart to determine the two most common forms of the problem, an Ishikawa cause-and-effect diagram to determine the best way to manufacture the item. The study resulted in a production process with almost zero defects, a savings of tens of thousands of dollars annually, an improved quality reputation and higher worker morale.

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  • Topics: Design of Experiments
  • Keywords: Design of experiments (DOE),Ishikawa diagram (Fishbone diagram ),Pareto charts,Case study
  • Author: Ophir, Shraga; El-Gad, Uri; Snyder, Mitchell
  • Journal: Journal of Quality Technology