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This thread is carried over and continued in the Current Elsmar Cove Forums
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The New Elsmar Cove Forums
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 The New Elsmar Cove Forums
 QS-9000
 Processes with cpk >=3
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| Author | Topic: Processes with cpk >=3 |
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ovidiomolina Forum Contributor Posts: 11 |
posted 21 April 1999 08:07 PM
   
What are the benefits pursued with the revision of control plans when our process shows high values of cpk (>=3), as is suggested in point 4.9.2 Maintaining Process Control ? IP: Logged |
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BILL MAYNARD Forum Contributor Posts: 13 |
posted 22 April 1999 02:21 PM
What is your Ppk? With the Cpk at 3.0 it shows the process to be stable & centered. Your charts probably shows the contol limits spread are probably around 20% of the Tolerance. Benefits for changes. Decrease inspection frequency for labor costs. Just make sure that the output that has Cpk >3.0 runs at the 20% level of Tol. IP: Logged |
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Marc Smith Cheech Wizard Posts: 4119 |
posted 19 February 2001 06:24 AM
For a good thread on Cp, Cpk, Ppk, etc., see: https://elsmar.com/ubb/Forum10/HTML/000001.html IP: Logged |
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