SOFTWARE UPDATE
ME: What manufacturing industries are using automated inspection and reverse engineering to improve part quality? Olson: There are a lot of industries implementing
reverse engineering to improve quality, but the major indus- tries and applications we see are legacy product mainte- nance, repair and overhaul, automotive aftermarket ac- cessories, and customized biomedical prosthetics. Legacy product maintenance, repair and overhaul includes parts with long lifecycles and/or high replacement costs manu- factured before the 3D CAD model made manufacturing faster and easier such as power generation systems, and most of the aerospace and defense systems in place to- day. Automotive aftermarket accessory manufacturers pro- duce wheels, body panels, exhaust systems and custom components that must mount to a stock vehicle and make it a more personalized and higher-performance vehicle. An- other application where we see a lot of reverse engineering automation investment is at the human prosthetic interface of biomedical products. Biomedical prosthetics have been
3054-4088-ME_1114-4.56x4.88-2C.eps 1 9/29/2014 7:14:14 AM
completely revolutionized by 3D scanning, CAD, CAM and reverse engineering. ME: Model-Based Definition (MBD) has made great qual-
ity improvements for aerospace manufacturers. Describe this area, and is it being implemented in other industries? Olson: MBD is a simple concept—the 3D model is the single source of data that provides all information for plan- ning, manufacturing, sourcing, and inspection. At the core is the digital model, which includes the 3D CAD model, annota- tions and attributes. MBD also includes related information used throughout the enterprise, such as parts lists, materials, finishes, processes, notes, analytical data, test requirements and revision history. Simply stated, MBD is a single-source data authority.
C M Y CM MY CY CMY K
Making the model the authority removes ambiguity, conflict and doubt that arise when drawings and models share control. With revision after revision made to drawings, the usual outcomes are outdated drawings floating around the manufacturing floor, and discrepancy between the CAD model and 2D documentation. MBD eliminates errors that result from referencing an incorrect source, and makes processes more efficient—no more searching to determine correct revision levels. However, there is much more to the value proposition. MBD is the single information source to build and maintain products, and it integrates into processes from cradle to grave. Provid- ing definition for operations throughout the product lifecycle, there are simply too many benefits to name. Companies leading the way in
MBD are in the aerospace industry, where they are constantly developing new technologies, methodologies and approaches to pursue better ways to conduct business across a global sup- ply chain. Traits that make the case for MBD include complex assembles with large bills of materials; complex surface profiles; mission-critical components; long product lifecycles; global supply chains; and stringent regulatory (docu- mentation) requirements.
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AdvancedManufacturing.org | January 2015
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