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 still required to safely reach flat ground.
In a previous column based on our recent book, Manufacturing Money (Amazon Digital, 2015), we explained how to maximize ROI. Here we describe some changes that business owners and managers can make on their way toward becoming a Black Belt in a manufacturing and distribution business.
As our new year unfolds, I wanted to write a post to remind myself of three pieces of advice. They are from Epictetus (55–135 AD), Marcus Aurelius (121–180 AD) and George Pólya (1887–1985). Epictetus and Aurelius are two famous Stoic philosophers of the past, and Pólya is a famous Hungarian mathematician.
What can be done when a test is destructive? How do we characterize measurement error? How can we determine if a test method is adequate for a given product or application? How can we check for bias?
Who can be against apple pie, motherhood, or good measurements? This is why everyone stands up and salutes when we are told to maintain our measurement systems in good calibration. But what is good calibration? By what method will we achieve it? And how will we know when we have it?