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July 19, 2014Revised: 2014-07-19 15:56:28
Semantic PMI Defined: Product Manufacturing Information
Chances are you're not even sure what PMI is; never mind, WHAT semantic PMI means.

PMI is Product Manufacturing Information. In ASME Y14.41 language this means the annotations and attributes contained in a 3D solid model that compliment the geometric definition and complete the digital data set. PMI is a critical data component of a 3D solid model that enables Model-Based Engineering (MBE).

The process and artifact of applying PMI to a 3D solid CAD model is Model-Based Definition (MBD).

3D part with complex features and GD&T shown to describe the part in 3D.
NIST Test Model with Complex 3D PMI.

The National Institute for Standards and Technology (NIST) reveals interesting data from their project "PMI Validation and Conformance Testing for Model-based Engineering".

In the NIST presentation for the Systems Engineering Conference in Washington DC (SEDC) on April 3, 2014, the concept of SEMANTIC PMI is introduced and researched. This work complies with both ASME Y14.5-1994 - Dimensioning and Tolerancing, and ASME Y14.41-2003 - Digital Product Data Definition Practices standards.

Semantic  ... Full Story ...

Author: J.B.HerronCategory: MBE
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Consulting services for:
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  • Action Engineering is a consulting firm that transitions government organizations and companies to effectively and efficiently implement Model Based Engineering. With a specialty in training organizations to document and tailor their business practices to be compatible with CAD, PDM and PLM software tools, Action advises companies in: CAD modeling standards and best practice, designer modeling efficiency, CAD configuration management, MBE training, team collaboration and CAD interoperability. Action Engineering's primary fields of expertise are defense and aerospace.

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