3D-printed car Strati
Local Motors, together with Cincinnati Incorporated, Oak Ridge National Laboratory and AMT – The Association For Manufacturing Technology, unveiled “the world’s first” 3D-printed, drivable vehicle.
Called the Strati, the car took a victory lap around McCormick Place early on Saturday, September 13, 2014 with Local Motors CEO John B. Rogers, Jr., at the helm, accompanied by Doug Woods, president of AMT.
The Strati was built in three phases during the six-day show. In phase one the car was 3D-printed on a Cincinnati Incorporated BAAM (Big Area Additive Manufacturing Machine) over 44 hours using cutting edge technology called additive manufacturing.
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Phase two, known as subtractive manufacturing, included one day of milling on a machine provided by Thermwood. Once complete, the third and final phase was rapid assembly, in which a team led by Local Motors put the finishing touches on the 3D-printed car. Then, the key was turned and the vehicle set off on its maiden voyage.
“At Local Motors, we are changing the way people move,” said John B. Rogers, Jr., CEO and co-founder of Local Motors. “Using 3D printing, we have reimagined how cars are created using modern manufacturing techniques. The results are astounding. We have reduced the amount of car parts from 25,000 to less than 50, proving that we can take a car from designed to driven in less than six months. That is the game changer in the automotive world.”
A team of industry experts came together to build the Strati, including SABIC Innovative Plastics, who provided the carbon reinforced ABS Plastic used to 3D print some of the first iterations of the car.
Renault donated the powertrain from the Twizy. Siemens provided the Solid Edge software for the structural design elements and Fifteen52 built custom wheels to match the design.
Solid Edge was integral in preparing the Strati for 3D printing. The mechanical component parts for the Strati were leveraged from the Renault Twizy. As the design files were not initially integrated with the design of the 3D printed portion of the car, virtually all of the components had to be to fit onto the new “chassis.”
Alex Fiechter, head of Innovation at Local Motors, explained how Solid Edge provided the answer, “by enabling us to easily import and modify the component parts to design our own intermediate structures that would reliably mount to the ABS/Carbon material extruded by the 3D printer.”