White Paper

PMI in Metrological Practice

Incorporating Geometric Dimensioning and Tolerancing into CAD Models

Incorporating geometric dimensioning and tolerancing into CAD models

Technical information for design engineering, metrology and quality assurance

The model-based definition (MBD) method makes it possible for CAD software to store all product information for manufacturing directly to a CAD model as annotations or metadata. This kind of documentation is called product and manufacturing information (PMI). To be able to use PMI in the quality assurance process, the CAD model should definitely be augmented with geometric dimensioning and tolerancing (GD&T). This white paper explains how this works in practice.

Do you want to know, how you can incorporate meaningful manufacturing and quality assurance information for testing into CAD models in the form of GD&T? Then this white paper will help you. This requires not only correctly implementing GD&T rules and standards but also following a number of guidelines when generating the PMI in the CAD software.

In this white paper you will get a guide on how you can extract all quality-related testing features from the CAD model and apply them directly to the measuring software to save a great deal of time composing test plans and programming measuring machines.

Download white paper PMI

Technical information for design engineering, metrology and quality assurance

Whitepaper PMI

Read this white paper to find out how PMI can be used to benefit quality assurance.

  • Using and importance of PMI
  • Limits of PMI
  • Creating measuring programs with PMI
  • Check list: adding PMI for metrological inspection

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To be able to use PMI productively in the quality assurance process, the CAD model should definitely be augmented with GD&T as specified in the ASME or ISO GPS standards. Only this way can a consistent part definition be achieved.