MP3 (Manufacturing Process Planning)
MP3 (Manufacturing Process Planning) is a discipline within PLM that manages the digital description of how a product is made — operations, sequences, resources, time studies — and links it to the engineering BOM and as-built configuration. The term traces back to CIMLINC's San Diego work in the mid-1980s extending CAD/CAM data into shop-floor execution, and the lineage flowed through Tecnomatix into the Siemens Digital Industries portfolio.
Why it matters
MP3 is the bridge between the engineering BOM and the manufacturing BOM, and its quality determines whether a manufacturer can answer "which units shipped with which process revision and what changed between them." Without an MP3 layer, the digital thread breaks at the moment design hands off to production — exactly the failure mode that most digital-transformation programs underestimate.
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Cite this definition
Finocchiaro, Michael. “MP3 (Manufacturing Process Planning).” DemystifyingPLM PLM Glossary, 2026, https://www.demystifyingplm.com/glossary/mp3-manufacturing-process-planning