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 "Cpk ≥ 1.33" 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.…
