Process monitoring of portable & stationary oxygen units: Can we use Cpk, Ppk, SPC ?

G

G.Hester

#1
Can Six Sigma, Ppk, or Cpk statistical methods help benefit process monitoring of portable and stationary oxygen units?
 
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G

G.Hester

#3
It may sound simple but, I was looking for a
good way to analyze product failure vs product produced.
 
D

Don Winton

#4
<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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