28 Sep '13, 7pm

GM is Using 3D Scanning to “Benchmark” Competitor’s Cars

GM is Using 3D Scanning to “Benchmark” Competitor’s Cars

The beginning of the teardown process is a friendly pass. “First, we want to scan as much as we can without disassembling the vehicle,” Pecar said. Next the exterior is scanned with a large blue-light scanner, and then red light scanning is used for details like the interior and seam tolerances. Finally, the position of components is recorded to help put all the pieces together again digitally as the teardown commences. Things start getting unfriendly here. Each component of interest is scanned as the car is disassembled piece by piece. “You can look at a muffler and red-light scan it… it all goes back to the body position of the original model,” Pecar said. Some individual pieces, like the muffler or a headlamp, may get cut open and scanned internally to build engineering models from. The end result is a complete set of reverse-engineered computer models of the vehicles b...

Full article: http://gas2.org/2013/09/28/gm-using-3d-scanning-benchmark...

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