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Peer Review of Manufacturing Processes

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Definition: A peer review of manufacturing processes is the independent technical assessment of production workflows, process parameters and quality records by qualified external experts. The aim is the objective evaluation of process stability, standards conformity and risk potential. The procedure complements internal audits with a neutral perspective.

Practical relevance: The assessment covers process capability (Cp, Cpk), test planning, validation reports, traceability and compliance with relevant standards (e.g. ISO 9001, IATF 16949). Weaknesses in documentation, parameter settings or test equipment management are systematically identified. The peer review serves to minimise risk before series start-up, certification or investment decisions.

Decision-making perspectives:

  • Technical decision-makers: External validation of critical process steps and quality metrics.
  • Purchasing/project management: Objective basis for supplier approvals or investment decisions.
  • Science: Method-critical evaluation of statistical analyses and process models.
  • Insurance/law: Documented evidence of technical due diligence and risk assessment.

Typical testing or verification methods: Document audit, on-site inspection, process capability analysis, sample testing.

FAQ:

  • When does a peer review of manufacturing processes make sense?
  • Before series start, in the event of quality problems or for the independent evaluation of complex production processes.
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