Production part approval process

Production part approval process (PPAP) is a standardized quality assurance process used primarily in the automotive supply chain for establishing confidence that a supplier's production processes can consistently produce parts meeting customer requirements. Although individual manufacturers have their own particular requirements, the Automotive Industry Action Group (AIAG) has developed a common PPAP standard as part of the Advanced Product Quality Planning (APQP) which encourages the use of common terminology and standard forms to document project status and minimize the risk of failure. The PPAP process is designed to demonstrate that a supplier has developed their design and production process to meet the client's requirements, minimizing the risk of failure by effective use of APQP. Requests for part approval must therefore be supported in official PPAP format and with documented results when needed.

The purpose of any Production Part Approval Process (PPAP) is to:

  1. Ensure that a supplier can meet the manufacturability and quality requirements of the parts supplied to the customer
  2. Provide evidence that the customer engineering design record and specification requirements are clearly understood and fulfilled by the supplier
  3. Demonstrate that the established manufacturing process has the potential to produce the part that consistently meets all requirements during the actual production run at the quoted production rate of the manufacturing process.
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