CNC Machining

CNC Machining

Model-Based Definition (MBD)

Core Objective

Benefits of MBD :-

  • No need for 2D drawings

  •  Better collaboration (Design-Manufacturing-QA)

  •  Reduction in rework and scrap

  • Seamless integration with CAM and CMM

  • Facilitates digital thread and digital twin

MBD vs Traditional Drawing-Based Process

FeatureTraditional DrawingModel-Based Definition
Geometry & PMISeparated (2D)Integrated (3D)
Data ReuseManualAutomated
Change ManagementComplexCentralized
Machine ReadabilityNoYes
Downstream IntegrationLimitedStrong (CAM/CMM/etc.)

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