美国汽车制造商Ford Motor Companyhas revealed the use of 3D printing in generating the high performance of its new vehicle, the 2020 Mustang Shelby GT500.
Virtual testing over 500 designs in supercomputers utilizing additive manufacturing prototyping tools, a team of Ford designers and engineers set out to make the “most advanced performance street-legal Mustang of all time”. The 3D prototyping systems are located at itsAdvanced Manufacturing Centerin Redford, Michigan, where the company also 3D printed the parts for the GT500. The vehicle will be released in fall 2019.
“We created and studied designs among the engineering teams and proved out different strategies long before we built our first prototype cars,” explained Matt Titus, Ford Performance vehicle engineer.
“Not only did this improve the effectiveness of the designs, it dramatically reduced the time it took to develop the GT500 – and the costs associated with that.”
Innovative 3D design for maximum performance
As well as its Advanced Manufacturing Center, the team at Ford also utilized theFord Performancetechnical center in Concord, North Carolina to analyse designs for 3D cooling and aerodynamics in the Mustang Shelby GT500. The vast number of designs allowed the team to reach its downforce, braking and cooling targets and maximize the aero performance of the vehicle. The designs with the most potential were 3D printed in a matter of days, speeding development time compared to traditional manufacturing processes. For example, the team 3D printed and tested over 10 designs for the front splitter wickers, and simultaneously tested them for track variation, increasing the efficiency of the design testing process.
Physical validation of the designs were carried out in Ford’s wind tunnels in Michigan and Windshear rolling wind tunnel in Concord. Further tests for the GT500 were undertaken at theVirginia International Raceway,NOLA Motorsports公园和GingerMan Racewayto refine the aerodynamic designs and achieve record track times for a production Mustang.
Key to the Mustang’s fast track performance was the refined front cooling system developed using 3D airflow modelling, allowing the GT500 to deliver over 700 horsepower using 93-octane fuel. The team were able to maximize overall cooling to extract up to 230 kilowatts of heat energy that the car could produce at wide-open throttle, which is enough to heat 12 homes.
Furthermore, with the advanced simulations and prototyping process that utilized 3D printing, the team were able to manufacture a new rear spoiler design that works to deliver 379 pounds of rear downforce at 180 mph.
“This all-new aero design merges state-of-the-art design and materials technology with the craftsmanship of Ford racing expertise to create the most aero-capable Mustang ever,” said Steve Thompson, Ford Performance vehicle dynamics engineer. “It’s powerful, balanced and consistent – even over extended track runs – which works to deliver more fun and greater confidence for drivers.”
3D printing at Ford
Since revealing the use of 3D printing at its Advanced Manufacturing Center for the new Mustang, the company has made further developments in 3D printing for the manufacturing of its vehicles.
福特还与Carbon, the Silicon Valley-based company behindDigital Light Synthesis(DLS) 3D printing technology, to 3D print parts for vehicle production. The companies debuted the parts at theNorth American International Auto Show(NAIAS) in Detroit, which included电动驻车刹车支架对于福特野马GT500。
此外，福特性能是专门针对高性能车辆的汽车公司的一个部门，它具有添加的制造，其主张是“汽车历史上最大的3D金属打印机零件”。在福特的德语3D打印实验室开发概念激光X线2000R从GE Additive, thealuminium manifold inletpart took five days to complete.
Ellen C. Lee Ph.D., Technical Leader of Additive Manufacturing Research at the Ford Motor Company, has emphasised the compatibility ofadditive manufacturing technologyin the automotive industry:
“There are a vast number of applications for AM in automotive and most AM technologies have a place to address each use case. For series production parts, technologies with open materials platforms that offer high throughput are the best suited.”
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特色图像显示了新福特野马GT500的三种变体颜色的自上而下的视图。通过福特照片。
