Le Forum

A modern lightweight vehicle frame has been developed for builders of replica classic cars. The frame is comprised of aluminum, magnesium, carbon fiber and advanced high strength steel.
It matches the body frame of the 1963-1967 Corvette, also known as C2, for second-generation Corvette design. With the alternate materials, the new frame is about one-third lighter than the original as well as being stiffer.
The frame “also eliminated the welding process for assembly,” said Gregg Peterson, principal materials engineer for the Michigan Manufacturing Technology Center (Plymouth, MI), which showed the frame at SAE International’s World Congress Experience (WCX) event this week in Detroit.
Instead of welding, adhesives and through bolts were used to assemble the frame. “You don’t need a skilled welder so we can use lower-cost labor,” Peterson said.
The technology center developed the frame along with Lightweight Innovations for Tomorrow (LIFT; Detroit), Institute for Advanced Composites Manufacturing Innovation (IACMI; Knoxville, TN) and the University of Tennessee.
LIFT and IACMI are part of the Manufacturing USA network of manufacturing institutes where companies, universities and other groups work together. The idea is to develop and improve manufacturing technology, which can later be commercialized.

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