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Process capability

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Guest user Created:   May 06, 2020 Last commented:   May 08, 2020

Process capability

What is the minimum quantity for process capability ?

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Fırat İnceli May 08, 2020

To understand the acceptance values ​​of the process capability, the first thing to look at is customer-specific requirements. Apart from this, according to AIAG PPAP revision, 4 manual published by Ford, GM, DaimlerChrysler on 1st of June 2016, the acceptance criteria were determined as follows.

  • Process capability is > 1,67: The process currently the acceptance criteria. 

  • 1,33 ≤ Process Capability ≤ 1,67: The process may be acceptable. Contact the authorized customer representative for a review of the study results. 

  • Process Capability is < 1,33: The process does not currently meet the acceptance criteria. Contact the authorized customer representative for a review study results. 

    For more information please to read the following article:

  • How to establish QMS Statistical Process Control according to IATF 16949 https://advisera.com/16949academy/blog/2017/08/30/how-to-establish-qms-statistical-process-control-according-to-iatf-16949/ 

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