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Audi Recreates 1936 Racer with 3-D Replica
Audi AG's toolmaking unit has created a half-size replica of its 1936 Auto Union Type C grand prix racecar using a 3-D printer.
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Audi AG's toolmaking unit has created a half-size replica of its 1936 Auto Union Type C grand prix racecar using a 3-D printer. The original vehicle was designed by Ferdinand Porsche.
Audi used metal printing technology to fabricate all of the 3-D vehicle’s parts. In the additive process, parts are built up in a multitude of thin metallic powder layers that are melted together by a laser. The powder’s grains are about half the diameter of a human hair, which allows the printer to create complex geometries that are difficult to form with conventional methods.
Audi says the printer can make small steel or aluminum parts, but size currently is limited to about 9.5x10 inches. The carmaker notes that 3-D printing reduces material waste and speeds the production process.
Other companies also have demonstrated 3-D printing technology to make prototype vehicles—mainly out of plastic and composite materials. Phoenix-based Local Motors Inc. plans to launch sales of a 3-D-printed electric car in two years.
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