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BMW is using faster robotic optical scanners to ensure its cars measure up

by • July 27, 2016 • No Comments

BMW prides itself not just on integrating the latest technologies in its vehicles, but in addition in the process of createing and manufacturing them. The company claims to be the initially car manufacturer
to implement a robotic optical measuring cell at a BMW Group pilot plant in Munich. It’s fundamentally a fully automated 3D scanner which can turn it into a digital version of a full-sized vehicle in half the time previously required.

Creating digital 3D versions of many sizeable or awkwardly-shaped items has typically required manufacturing multiple passes of the object of various angles via a few type of handheld 3D scanner.

BMW’s process combines its optical measuring cell with a robotic arm which can freely move around and map the vehicle of all sides with an accuracy of less than 100 micrometers. Two robots can be setup in a garage-sized space to work in parallel and deplete the scan twice as swift. Each robot is fitted with two sensors which go along the vehicle capturing the surfaces in 80 cm x 80 cm squares which are and so put together to turn it into a composite.

“A single measurement provides us with a 3D data version of the total vehicle,” said Eduard Obst, BMW’s Head of Geometric Analysis, Measuring Technology and Cubing, in a release. “Lengthy individual measurements and data collation are no longer needed – saving time and enhancing high end at the begin of series production.”

Previously, BMW had utilized robots with a single sensor recording one side of the vehicle at a time, bringing twice as long as the new process. It says the new, automated process can be run at full ability, which include during off-peak hours or overnight

BMW says analysis of the resulting version helps catch flaws or other deviations of the standard vehicle create early on. It’s like an extra, high-tech layer of high end control.

The company has been via the process for measurement of sheet metal parts and tool inspection since 2015 and says the BMW 5 Series Sedan can be the initially vehicle in its lineup to fall under the watchful eye of the new optical cell.

Source: BMW

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