1.33 CPK PPM

Sep 11, 11
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  • Aug 31, 2010 – Die Werte gelten unter der Annahme, dass die Prozessgröße normalverteilt ist. Eingabe Fehlerrate in und CpK % ppm 1.33 0.00 33.0366. Info: .
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  • Jump to PPM »‎: Cpk 1.00 means that 2 700 PPM (0.27%) of the manufactured parts are out of tolerance, while Cpk 1.33 means that 63 PPM (0.0063%) .
  • printing is 1.33 and your printing is 49ppm . but when we use our handy, dandy conversion chart Sigma||ppm||Cpk 6.0||3.4||2.0 5.5||32||1.83 .
  • Cpk = MIN[(USL-mu)/(3*sigma), . Cp, 1.00, 1.33, 1.66, 2.00. Rejects .27%, 64 ppm . where ppm = parts per million and ppb = parts per billion. Note that the .
  • Apr 16, 2006 – Six Sigma SPC, (Statistical Process Control), Cp/Cpk VS PPM Yield . a Cpk of 1.33 or better, and a process operating between 1.0 and 1.33 is .
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  • Apr 2, 2010 – CPK - Don Winton 1999 ---- 8500_CPU:Desktop Folder:CPK. .
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  • Jan 31, 2009 – Processes with a large spread (Cp<1.33) are difficult to improve inline. The best . A Cpk of 2.0 translates into a 0.002 ppm reject level. .
  • Normal Six Sigma; Cp = 1.33, Cpk = 1.33 Cp = 2.00, Cpk = 1.50; No. of Prob. Within Spec. PPM Prob. bradley.bradley.edu/~rf/ProcessCapability.ppt .
  • . capability index. Several types of capability measurements exist, but Cpk is often used. . In the example, the lesser of the two differences was 0.12 so Cpk is equal to 0.12/(3 x 0.03) = 0.12/0.09 = 1.33. . How to Convert PPM to CPK. How to .
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  • 2011年2月11日 – Cpk values Cpk < 1.00 1.00 ≤ Cpk < 1.33 1.33 ≤ Cpk < 1.67 1.67 ≤ Cpk < 2.00 2.00 ≤ Cpk ? ppm NC > 2700 NC < 2700 NC < 66 NC < 0.54 .
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  • Nov 4, 2003 – How much does Cpk > 1.33 represent in precentage of good pieces? . For the ppm to Cpk question, both articles, Capability and Six Sigma .
  • Calculated PPM and Calculated % Out of Specification (C%OOL): This . A value of 1.33 would mean that the process average is four deviations away from the . Compare Cr with Cpk. The process variation is in the numerator of Cr, and the .
  • "Ppk produces an index number (like 1.33) for the process variation. Cpk references the variation to your specification limits. If you just want to know how much .
  • For true Cp=1.33: 55 trials calculated Cp < 1.10 (5.5%) . Cpk, One-Sided Spec PPM Out of Spec, Two-Sided Spec PPM Out of Spec. 0.25, 226627, 453255. 0.5 .
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  • Go To Top of Page Top. Case 2: Cpk = 1 to 1.33 ( A Barely Capable Process ). This process will produce greater than 64 ppm but less than 2700 non- conforming .
  • Feb 28, 2011 – changeover, relationship between Cpk and PPM, etc. . .. +/- 4.0 SD = 1.33 CpK = 30 ppm (per the normal distribution table). I verified this with 3 .
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  • Existing process, 1.33, 1.25. New process . Process fallout quantifies how many defects a process produces and is measured by DPMO or PPM. Process yield .
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  • Jun 1, 2011 – Stats For: 1.33 cpk view cached page >> . 3. siliconfareast.com · Cpk Vs. ppm - Relating Process Capability to Defect Rate | view site >> .
  • Cp, Cpk and other capability analysis formulas used in the QI Macros SPC Software for Excel. Download . A Cpk of 1.33 is considered to be at 4-Sigma. Use Cp .
  • Below is a conversion chart showing how a CPK value as it relates to PPM . 1.16. ~3.50. 465. 1.20. -. 318. 1.23. -. 216. 1.27. -. 145. 1.30. -. 98. 1.33. 4.00. 64 .
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  • There's more to the difference between a Cpk of 1.33 and “sigma” than the magnitude . to make a nonconforming part only 3.4 out of a million times (3.4 ppm). .
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  • Charlotte, North Carolina Area - Quality Engineer at Exopack Advanced Coatings
  • In the semiconductor industry, the Cpk goal for a process is normally set at 1.67, although a Cpk of 1.33 is still considered acceptable. Table 1. Cpk Vs. ppm .
  • Jul 6, 2009 – www.scribd.com/doc/17137922/Sigma-CPK-PPM-Conversion-Chart - SimilarTranquilos con el Cpk ! (no incluyo matemáticas) | Measure Control - [ Translate this page ]You +1'd this publicly. Undo3 Mar 2009 – Hola, encontré lo que estaba buscando el nivel de PPM esperado para un CPK de 1.33, ahora me podrias ayudar diciéndome cómo se llega a .
  • 77 posts - 76 authors - Last post: Sep 4Cpk measures the variations between T (target) and one specification . .. expressed as a process capability index (e.g., Cpk or Cpm) or as a process performance index (e.g., Ppk or Ppm). . . Cpk of at least 1.33 is desired. .
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