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| BoM | |
|---|---|
| Name | BoM |
| Type | Document/System |
| Related | Bill of Materials, BOM |
BoM BoM is a compiled designation for an organized inventory and hierarchical representation used in manufacturing, engineering, construction, and supply-chain contexts. It functions as a central referent linking part identities, sourcing, documentation, and lifecycle records to enable coordination among stakeholders such as designers, suppliers, contractors, and regulators. In practice it interfaces with enterprise systems, standards consortia, and project workflows across industries ranging from aerospace to consumer electronics.
In applied settings BoM denotes a structured list that enumerates components, assemblies, subassemblies, and raw materials required to produce a product or complete a project. It typically references unique identifiers, quantities, unit measures, and supplier attributions tied to formal records maintained by organizations such as International Organization for Standardization, National Institute of Standards and Technology, Institute of Electrical and Electronics Engineers, and industry consortia. The scope extends to related documentation like drawings, certifications, and compliance artifacts that are commonly stored in systems developed by vendors such as Siemens, Dassault Systèmes, Autodesk, and Rockwell Automation.
The evolution of BoM traces through milestones in industrialization and information technology. Early inventory ledgers used by firms like Ford Motor Company and General Electric evolved into structured parts lists adopted in wartime production managed by agencies such as the War Production Board. The rise of computer-aided design tools from companies like IBM and Hewlett-Packard in the late 20th century enabled computerized BoM management integrated with Material Requirements Planning systems pioneered by firms such as SAP SE. Subsequent developments in product lifecycle management by organizations including PTC (company), Oracle Corporation, and Microsoft introduced versioning, change control, and multi-site synchronization.
BoM manifests in multiple types: engineering BoM, manufacturing BoM, service BoM, and sales BoM, each tailored to stakeholders like design engineers at Boeing, production managers at Toyota, or field service teams at Siemens Healthineers. Variants include single-level versus multi-level BoM, configurable BoM in platforms such as Salesforce, modular BoM for programs like ArianeGroup launchers, and phantom assemblies used in high-velocity production lines at companies like Foxconn. Differences address manufacturer needs for traceability, kitting, and configurable options in markets served by firms like Apple Inc. and Samsung Electronics.
A typical BoM comprises line items with fields such as part number, description, quantity per assembly, unit of measure, procurement type, and reference designators. Structural constructs include top-level assembly nodes and nested child nodes reflecting bills of materials used by programs at Lockheed Martin and Northrop Grumman. Additional linked artifacts often include engineering drawings from SolidWorks, compliance certificates from Underwriters Laboratories, and revision history maintained under change control policies influenced by standards from ASME and SAE International. Lifecycle metadata may reference regulatory filings with agencies like the European Chemicals Agency and supply notifications from entities such as Bureau of Industry and Security.
BoM creation typically begins in engineering departments using CAD systems developed by companies including Bentley Systems or Siemens PLM Software, then flows into change-management controlled by configuration management offices at organizations like NASA or European Space Agency. Processes encompass part numbering schemes, approval workflows, and ECO/ECN (engineering change order/notice) procedures standardized across firms such as Roche and Pfizer to ensure traceability for regulated products. Management practices integrate procurement modules from Oracle or SAP and rely on inventory hubs operated by logistics firms like DHL and Maersk for fulfillment.
BoM underpins manufacturing operations in sectors including aerospace, automotive, electronics, medical devices, and construction. In automotive programs at Volkswagen or General Motors, BoM drives procurement, assembly sequencing, and warranty traceability. In electronics supply chains involving Intel and Qualcomm, BoM supports component obsolescence management and counterfeit mitigation. Construction projects led by firms such as Bechtel or Skanska use analogous material takeoff lists for estimating and compliance with codes from International Code Council. Medical device manufacturers like Medtronic depend on BoM rigor for regulatory submissions to agencies such as the U.S. Food and Drug Administration.
BoM practices align with data and process standards promulgated by bodies like ISO/TC 184, IEC, and GS1 for part identification and data exchange. Integration occurs via PLM, ERP, and MRP platforms from vendors including Siemens, Dassault Systèmes, SAP SE, Oracle Corporation, and middleware providers implementing standards such as STEP (ISO 10303), BOMXML, and IPC guidelines for electronics. Emerging integration trends involve cloud services from Amazon Web Services, collaboration platforms like Atlassian, and digital thread concepts championed by National Institute of Standards and Technology initiatives to connect BoM data across design, manufacturing, and service lifecycles.
Category:Technical documentation