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The data you've already collected can be reused for further process improvements
Credit: IBM Curiosity Shop

Douglas C. Fair
Plant-floor quality issues tend to focus on a company’s technical resources. When products fall out of spec, alarms sound and all hands are immediately on deck to fix things. Despite large...
    As you drive east on I-70 coming from the Rockies, there is a point where you seem to have stopped descending, but a sign says, “Trucks: Don’t be fooled. Four more miles of steep grades and sharp curves.” The message is that it would be premature to relax at this point, and vigilant driving is...
    Automated SPC Tools
    I have daily conversations with manufacturer plant managers, quality managers, engineers, supervisors, and plant production workers about challenges when using statistical process control (SPC). Of the mistakes I witness in the application of SPC, I’d like to share the five most prevalent; they...
    I n part one of this two-part series, I described the need for empiricism in root cause analysis (RCA). Now, I’ll explain how to achieve empiricism when performing a RCA by combining the scientific method and graphical explorations of data. The statistician John Tukey believed data should be...
    There are many reasons for performing a root cause analysis (RCA). These reasons include determining the cause of a failure in a product or a process as well for determining the root cause of the current level of performance when a product or process has been selected for improvement. There...

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