Product Lifecycle Management (PLM)

A complete PLM knowledge and project workspace for learning how requirements, product definition, BOMs, configuration, manufacturing, service, change and lifecycle evidence connect into a controlled digital thread.

New PLM project
0 requirements / 0 lifecycle records
Product Lifecycle Management (PLM) is the coordinated management of a product, its definition, configuration and supporting information throughout its lifecycle. PLM is more than software: it combines people, processes, product data, governance and technology to create controlled, traceable product information.
1. Concept & RequirementsNeed, feasibility, constraints, intended outcomes
2. Design & DevelopmentProduct definition, CAD, analysis, EBOM, V&V
3. Industrialise & ManufactureMBOM, BOP, suppliers, controls, as-built evidence
4. Launch / In-ServiceSupport, maintenance, spares, field data
5. Change & ConfigurationControlled updates across the lifecycle
6. End-of-LifeObsolescence, retirement, records and lessons learned
PLM Knowledge Pack
PLM is not just document storage

A mature PLM environment manages relationships between requirements, product structures, drawings, parts, changes, configurations, manufacturing plans, service history and evidence.

Configuration management

PLM should help answer: what is the approved design, what revision applies, what was actually built, and what configuration is now in service?

Change management

Changes must be assessed for impact before release. A design change may affect BOMs, tooling, suppliers, work instructions, inspection, software, spares and service documentation.

Digital thread

The digital thread links lifecycle objects so evidence can be traced from customer need through design, manufacture and service.

EBOM → MBOM → BOP

Engineering defines what the product is; manufacturing restructures that definition into what must be built and how it will be built.

Closed-loop learning

Field failures, concessions, quality escapes and maintenance data should feed back into engineering and future product decisions.

Authoritative source

PLM should make controlled product information visible and reduce the risk of teams working from conflicting revisions or local copies.

System integration

PLM often connects to PDM, ERP, MES, QMS, requirements, CAD/CAE and service systems. The boundaries differ by organisation.

Lifecycle governance

Gate reviews, approvals, release states, baselines, ownership and retention rules turn product data into controlled information.

PLM vs Related Systems
SystemPrimary questionTypical focus
PLMWhat is the product and how has it evolved?Lifecycle product definition, configuration, change, traceability
PDMWhere is the controlled engineering data?CAD, drawings, files, revisions, check-in/out
ERPWhat resources, materials, orders and costs are required?Planning, procurement, inventory, finance
MESWhat is happening in manufacturing?Execution, routing, shop-floor status, production records
QMSAre product and process requirements effectively controlled?Nonconformance, audit, CAPA, quality records
The Product Lifecycle
PLM is better viewed as a connected loop than a simple linear sequence.
1. Concept & Requirements
  • Customer / stakeholder needs
  • Requirements and constraints
  • Feasibility and business case
  • Initial risks and architecture
  • Verification strategy
2. Design & Development
  • CAD / drawings / specifications
  • Engineering analyses
  • EBOM
  • DFMEA / risk controls
  • Prototype, verification and validation
3. Manufacturing & Production
  • MBOM and BOP
  • Work instructions
  • Supplier requirements
  • Process controls and inspection
  • As-built configuration
4. Launch / In-Service
  • Distribution / delivery
  • Maintenance and repair
  • Spares and technical publications
  • Field failure and reliability data
  • As-maintained configuration
5. End-of-Life
  • Obsolescence / DMSMS
  • Last-time buy / redesign
  • Retirement planning
  • Recycling / disposal
  • Knowledge retention
Lifecycle disciplines
  • Requirements management
  • Configuration management
  • Change management
  • Quality and risk
  • Supplier and data governance
Lifecycle Feedback Loop
Field / Service Evidence
→
Investigation & RCCA
→
Engineering Change
→
Updated Product / Process Definition
→
Improved Product
Key principle: Service is not simply downstream of engineering. In a mature lifecycle system, in-service evidence becomes an input to design, manufacturing and future product development.
Digital Thread
A simple view of how lifecycle evidence can remain connected.
Customer NeedWhy the product exists
→
RequirementsWhat must be achieved
→
Design DefinitionCAD, drawings, specs, software
→
EBOMEngineering product structure
→
MBOM / BOPManufacturing definition
→
As-BuiltSerial / batch configuration
→
In-ServiceRepair, modification, reliability
→
RetirementObsolescence and closure
Traceability Questions a Good PLM Environment Should Help Answer
Requirement to design

Which requirement drove this feature, specification or component?

Design to manufacture

Which drawing, specification and revision defined what was built?

Supplier traceability

Which supplier, material batch, special process and inspection evidence applies?

Change history

What changed, why, who approved it and when did it become effective?

Serial configuration

What configuration applies to this serialised product today?

Service learning

What failures, repairs and modifications have occurred, and what did engineering learn?

Cross-Functional Lifecycle View
Function
Concept
Design
Manufacture
Service
Retirement
Engineering
Requirements, architecture
Design, V&V, EBOM
Engineering support / change
Failure investigation / upgrades
Redesign / lessons learned
Manufacturing
Feasibility input
DFM / industrialisation
MBOM, BOP, work instructions
Repair capability / spares
Last-time production
Quality
Quality planning
Design assurance
FAI, NCR, inspection
Field quality / RCCA
Record retention
Supply Chain
Supplier strategy
Supplier selection / APQP
Procurement / source control
Spares / obsolescence
Exit / transition plan
PLM Project Definition
Use this workspace to map a product lifecycle and identify information, governance and traceability gaps.
Project Dashboard
0Requirements
0Product data records
0Changes / service items
0%Traceability complete
—Lifecycle health
Requirements & Verification Traceability
Capture the requirement, source, linked product definition and verification evidence.
IDRequirementSourceOwnerLinked Design / PartVerification MethodEvidence / Status
Good practice: Requirements should be uniquely identified, controlled and connected to the design and evidence that demonstrates compliance. Where the relationship is missing, the digital thread is broken.
Product Data & Configuration
Map the lifecycle objects that define and evidence the product.
IDObject / RecordTypeRevision / BaselineOwner / SystemLifecycle PhaseLinked ToControlled?
EBOM → MBOM → BOP
EBOM
What engineering designed
→
MBOM
What manufacturing needs to build
→
BOP
How it will be built
→
As-Built Record
What was actually produced
→
As-Maintained
What configuration exists now
Configuration Baseline Checklist
Product definition

Are drawings, models, specifications, software and BOMs revision-controlled?

Effectivity

Can you identify when a change applies by date, serial number, lot or configuration?

As-built evidence

Can you prove what was actually manufactured, inspected and accepted?

As-maintained evidence

Are repairs, modifications and replacement parts reflected in the current configuration?

Supplier control

Are supplier changes, source approvals and external specifications linked to the product definition?

Retention

Are lifecycle records retained for the required regulatory, contractual and support period?

Change, Nonconformance & Service Learning
Capture lifecycle events that can drive changes to product or process definition.
IDEvent / ChangeSourceAffected ConfigurationImpact AreasDecision / DispositionStatus
Change Impact Chain
Issue / NeedFailure, obsolescence, improvement, requirement change
Change RequestDefine problem and proposed change
Impact AssessmentDesign, manufacturing, supplier, quality, service
ApprovalAuthority, configuration control, release
ImplementationUpdate EBOM / MBOM / BOP / docs
Effectivity & ClosureConfirm when/where change applies and verify outcome
PLM Project Report
Create a concise PDF containing project definition, requirements, product/configuration records, lifecycle events and project maturity summary.
PLM Health Check
Requirements

Can needs be traced to product definition and verification evidence?

Configuration

Can you identify approved, as-built and as-maintained configurations?

Change

Are change impacts assessed across functions before implementation?

Manufacturing

Are EBOM, MBOM, BOP and production evidence connected?

Service

Do field events and reliability data feed back into engineering?

Governance

Are ownership, approvals, baselines, effectivity and retention rules defined?

Project Assessment Summary