G.Hester
7th March 2000, 05:36 PM
Can Six Sigma, Ppk, or Cpk statistical methods help benefit process monitoring of portable and stationary oxygen units?
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View Full Version : Process monitoring of portable & stationary oxygen units: Can we use Cpk, Ppk, SPC ? Marc 8th March 2000, 10:53 PM Please state what attribute you are considering monitoring. G.Hester 13th March 2000, 09:48 AM It may sound simple but, I was looking for a good way to analyze product failure vs product produced. Don Winton 29th March 2000, 10:59 AM <font COLOR=RED><BLOCKQUOTE>It may sound simple but, I was looking for a good way to analyze product failure vs product produced.</BLOCKQUOTE></font> Process capability (Cpk) will give an indication of what you can expect product failure to be, but remember, it is only an index, not a metric. A better metric may be a simple p chart or a yield report. |
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