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Manufacturing

BOM Explosion

bill of materials explosion · requirements explosion

In short

Multiplying out every level of a multi-level Bill of Materials against a demand quantity to produce gross component requirements, respecting scrap, yield and phantom assemblies.

BOM Explosion is the recursive walk down a multi-level Bill of Materials: at each level, the parent quantity is multiplied by each child's per-unit usage, adjusted for scrap factor and yield, and rolled into the gross requirement for that component. Phantom (transient) assemblies are passed through without generating a planned order; co-products and by-products are netted in the opposite direction.

It is the first stage of MRP — the gross requirement is then time-phased against the lead time and netted against available inventory to produce planned orders. V5 runs the explosion against the approved formula version (the same artifact the MMR snapshots) so the plan and the floor are mathematically aligned.

How V5 handles it
Score your compliance gap — then download the validation pack.
A guided self-assessment walks you against the regulator clauses that apply to your industry. The validation pack — IQ/OQ scripts, traceability matrix, risk assessment, intended-use statement — generates from the same evidence so you can hand it to an auditor on day one.
Document control — one version in force, every change signed and explained.
Draft the next revision while the current one stays in use, approve it under your sign-off route, and track training on it — with the history kept.
QMS — quality records next to the work they concern.
Deviations, corrective actions and quality review sit in the same system as production, so each quality record references the work order, step and lot it concerns.
Related terms
MRPBOMPhantom BOM ExplosionNet RequirementsMRP IIRoutingWOBackward SchedulingForward SchedulingFinite Capacity SchedulingDemand ForecastingEconomic Order Quantity (EOQ)Days of Supply (DOS)Fill RateBackflush ConsumptionFEFOFIFO
Software that covers BOM Explosion
V5 Ultimate (NCR / MRB)
V5 Ultimate opens a nonconformance record the moment a step fails, routes the Material Review Board, signs the disposition…
V5 Ultimate MES Software
V5 takes planned work orders to a kiosk at the line. Operators follow the configured steps, record weights and checks, and sign.…
V5 Ultimate MRP Software
V5 Ultimate MRP runs the classic material-requirements engine — BOM explosion, gross-to-net, time-phased POs and work orders — on…
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