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Realizing the Value of GD&T in Model-Based Definition (MBD)

Realizing the Value of GD&T in Model-Based Definition (MBD)

It is all too common in the industry: A part design is created and sent out for production only to hit repeated snags as questions arise about datums, locators, symbols and values.

Even simple misunderstandings, such as where the Geometric Dimensioning and Tolerancing (GD&T) lines terminate, have resulted in serious delays (in some cases, of more than a month) and nonconformance issues, which resulted in wasted products.[1] Companies that still utilize 2D drawings in their product life cycle are doing more than simply ignoring the increased productivity that comes from the streamlining of their models.

They are also failing to provide their customers the best, most cost-efficient products and services that can only come from implementing a single comprehensive digital model that all stakeholders can effectively utilize. Moving away from 2D renderings (or even a hybrid approach with a 2D original and 3D model) to a completely digital design solution offers a wide range of benefits.

Companies that incorporate digital GD&T with model-based definition (MBD) 3D models can create more accurate representations that speed up the design and production processes, reduce waste and improve communication and collaboration across all teams involved in the design and manufacturing process. 

  • Introduction
  • Getting standardized with MBD
  • A new master: The 3D model
  • Digital twins can avoid double work (and waste) 
  • Digital Threads sew up loose ends
  • Designing the future (Conclusions)



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