Oct 27 2023
Is SPC Still Relevant? | D.C. Fair & S. Hindle | Quality Digest
“Today’s manufacturing systems have become more automated, data-driven, and sophisticated than ever before. Visit any modern shop floor and you’ll find a plethora of IT systems, HMIs, PLC data streams, machine controllers, engineering support, and other digital initiatives, all vying to improve manufacturing quality and efficiencies.
That begs these questions: With all this technology, is statistical process control (SPC) still relevant? Is SPC even needed anymore? Some believe manufacturing sophistication trumps SPC technologies that were invented 100 years ago. But is that true? We the authors believe that SPC is indeed relevant today and can be a vitally important aid to manufacturing.”
Source: QualityDigest
Nov 13 2023
Process Capability Indices
Within the quality profession, a capable process is one with a high C_{p_k}. In the field, it is not quite so simple. My colleague Joerg Muenzing recently shared concerns about the process capability indices:
Let’s take a closer look.
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By Michel Baudin • Data science • 5 • Tags: capability index, Cp, Cpk, Process capability, Quality