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3-D Model-Based GD&T for Inspection

Printed courtesy of Quality Magazine   Copyright ©2015. All Rights Reserved BNP Media The central concept behind model-based definition (MBD) is that the digital model contains all of the detailed information necessary for all aspects of the product life cycle. This includes everything from design to manufacturing, in particular, GD&T data.When the digital model is the authority it removes ambiguity, conflict and doubt that arises when drawings and models co-exist. When the 3-D model is the authority, MBD eliminates errors that result from referencing incorrect sources and makes processes more efficient.There is a common misconception that MBD is synon...

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3-D Model-Based GD&T for Inspection

The central concept behind model-based definition (MBD) is that the digital model contains all of the detailed information necessary for all aspects of the product life cycle. This includes everything from design to manufacturing, in particular, GD&T data.When the digital model is the authority it removes ambiguity, conflict and doubt that arises when drawings and models co-exist. When the 3-D model is the authority, MBD eliminates errors that result from referencing incorrect sources and makes processes more efficient.There is a common misconception that MBD is synonymous with GD&T. In some circles, using GD&T on a model is incorrectly considered to be M...

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Verisurf Automates SLS Rocket Panel Inspection

Watch the Video   AMRO Fabricating chooses Verisurf software to automate the production inspection of NASA SLS rocket panels.In space flight the first eight minutes are critical; this is when the greatest opposing forces of thrust and gravity are impacting the launch vehicle.  The new NASA Space Launch System (SLS) will weigh 5.5 million pounds at liftoff, or roughly the weight of eight fully loaded 747 jets.   Everything comes down to weight and the integrity of design and fabrication to insure success.  Today, it costs $10,000 to send one pound of payload into orbit; since the entire launch vehicle makes the tripe to low earth orbit its net weig...

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The GD&T Model

What you need to know about model-based GD&T for the manufacturing enterprise. Model-based Geometric Dimensioning and Tolerancing (GD&T) is powerful digital intelligence that can automate and improve quality across the entire manufacturing enterprise. A snapshot of the manufacturing companies implementing it and involved in the standards process points to the growing importance of this 3-D digital manufacturing technology: Spirit AeroSystems Inc.; Raytheon Missile System; Northrop Grumman Corp.; Caterpillar Inc.; The Boeing Co.; Lockheed Martin Aeronautics Co.; Ford Motor Co.; General Motors Corp.; Rolls-Royce Corp.; GE Aviation, G...

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Computer Aided Inspection

Closing the Loop On Digital Manufacturing Workflow, While Moving Toward a Model-Based Definition EnvironmentConmputer Aided Inspection (CAI) software helps CAD, GD&T (Geometric Dimensioning and Tolerancing datums), and measuring devices work together to ensure design intent, and eliminate the need for 2D inspection drawings, while closing the loop on digital workflow. These are all important considerations when moving towards a ModelBased Definition (MBD) environment. CAD-Based inspection is a good first step toward achieving a complete MBD environment. The central concept of MBD is that a 3D CAD model provides all product information needed for all a...

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