Content by William A. Levinson

William A. Levinson's picture
William A. Levinson
The U.S. Military Academy’s Honor Code says that “A Cadet will not lie, cheat, steal, or tolerate those who do.” Lt. Gen. Darryl A. Williams, the USMA’s superintendent, elaborated, “The tenets...
William A. Levinson's picture
William A. Levinson
Shigeo Shingo was able to summarize entire concepts in single phrases, such as “paint parts, not air.” This meant that paint which misses parts in a spray booth constitutes wasted material and also...
William A. Levinson's picture
William A. Levinson
Luddism is, as depicted by Henry Ford, “...the theory that there is only so much work in the world to do and it must be strung out.”1 This dysfunctional paradigm is shared today by otherwise highly...
William A. Levinson's picture
William A. Levinson
This article contends that we should replace “quality” with “value” to address an enormous array of previously unaddressed risks and opportunities. Poor quality is only one of the Toyota Production...
William A. Levinson's picture
William A. Levinson
Part one of this article showed that it is possible, by means of a Visual Basic for Applications program in Microsoft Excel, to calculate the fraction of in-specification product that is rejected by...
William A. Levinson's picture
William A. Levinson
IATF 16949:2016 clause 7.1.5.1.1 requires measurement systems analysis (MSA) to quantify gage and instrument variation. The deliverables of the generally accepted procedure are the repeatability or...
William A. Levinson's picture
William A. Levinson
The first part of this series introduced measurement systems analysis for attribute data, or attribute agreement analysis. AIAG1 provides a comprehensive overview, and Jd Marhevko2 has done an...
William A. Levinson's picture
William A. Levinson
Measurement systems analysis (MSA) for attributes, or attribute agreement analysis, is a lot like eating broccoli or Brussels sprouts. We must often do things we don't like because they are necessary...
William A. Levinson's picture
William A. Levinson
The current national controversy over the need for a mandatory high minimum wage is but a symptom of a much larger underlying problem: the offshoring of American manufacturing capability. Offshoring...
William A. Levinson's picture
William A. Levinson
Traditional statistical methods for computing the process performance index (Ppk) and control limits for process-control purposes assume that measurements are available for all items or parts. If,...