What Is the Relationship Between Cpk, Sigma, and PPM?
Cpk measures the capability of a process to meet specification limits, while Sigma level and PPM describe process variation and defect risk.…
Technical articles and insights on NEXSPC and Statistical Process Control (SPC).
Keyword "Defect rate" found 2 articles (current page)
Cpk measures the capability of a process to meet specification limits, while Sigma level and PPM describe process variation and defect risk.…
behind Cpk ≥ 1.33 is essentially a balance among: ① Low enough defect rates. ② Acceptable manufacturing cost. ③ Tolerance for long-term process drift. ④ Industry-standardized quality expectations.…
