Insight
BOM, AVL and Substitutions: Expressing Material Boundaries
Organise engineering material information around part number, package, approved sources and substitution boundaries.
Details
Back to listA material is more than a name
IPC-2581 and related data requirements include BOM and approved-vendor information in manufacturing description data. Engineering material should identify part number, package, reference, quantity and critical boundary.
Substitution control
- Separate performance-critical, certification-critical and general parts
- Record prerequisites and parameters that need review for every alternative
- Retain a clear reason or reference for non-substitutable parts
Release suggestion
Release the BOM revision, substitution decisions and source information with the design revision so procurement and assembly use the same basis.
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