Reverse Engineering Technology

Exact Metrology
Cincinnati, OH

Exact Metrology, a metrology services provider, recently completed a job at Chicago Jet Group. Located in Sugar Grove, Illinois, Chicago Jet Group started in 2003 with the idea of providing the highest level of professionalism and attention to detail in the corporate aviation industry. The company specializes in aircraft acquisition, aircraft management, charter services, prepurchase evaluation, aircraft avionics, aircraft consulting and aircraft maintenance. For this project, the company was retrofitting older Dassault Falcons avionics and needed a CAD model of the panel to see how it would fit.

Joe van der Sanden, application engineer from Exact Metrology, scanned the panel with an 85 series Hexagon Romer Absolute Arm. The Absolute Arm 7-axis delivers tactile probing and laser scanning in an ergonomic package. The flagship RS5 laser scanner offers high-speed 3D scanning for surfaces and features on a wide range of finishes and materials with less investment than the RS6. Furthermore, the RS5 laser scanner boasts a wide and horizontally oriented laser scan line and fully automatic exposure settings, making general purpose scanning functionality simple to apply regardless of application. In addition, with mid-range width at 115 millimeters, the laser scanner line of the RS5 makes digitizing large surfaces simple and quick.

The RS5 can be easily removed from the arm, allowing simpler and safer access to touch probing functionality in hard-to-reach areas. Thanks to repeatable mounting, it can also be remounted without recalibration. Through the on-wrist OLED display screen of the Absolute Arm 7-axis, the RS5 allows for measurement feedback and settings adjustment at the point of measurement for a clear improvement to workflow productivity.

Dimensions were then obtained in Polyworks Inspector™. The Polyworks software suite covers the complete product development cycle, from part and tool design and prototyping down to final inspection of assembled parts. Polyworks Inspector™ is considered by many to be the industry-standard toolbox for product engineering, assembly guidance and final inspection.

Reverse engineering was performed using Geomagic Design X. This software combines history-based CAD with 3D scan data processing and enables the creation of feature-based, editable solid models compatible with existing CAD software. Geomagic Design X allows users to reuse existing designs without having to manually update old drawings or remeasure and rebuild a model in CAD. This software uses familiar history-based tools found in all major CAD products.

Chicago Jet Group was very pleased with the work performed by Exact Metrology. As a senior avionics technician at the company put it, “This will save us months of measuring and drafting.”

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