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Apparatus for electrical-assisted incremental forming and process thereof

United States Patent

April 24, 2018
View the Complete Patent at the US Patent & Trademark Office
A process and apparatus for forming a sheet metal component using an electric current passing through the component. The process can include providing an incremental forming machine, the machine having at least one arcuate tipped tool and at least electrode spaced a predetermined distance from the arcuate tipped tool. The machine is operable to perform a plurality of incremental deformations on the sheet metal component using the arcuate tipped tool. The machine is also operable to apply an electric direct current through the electrode into the sheet metal component at the predetermined distance from the arcuate tipped tool while the machine is forming the sheet metal component.
Roth; John (Mckean, PA), Cao; Jian (Wilmette, IL)
The Penn State Research Foundation (University Park, PA), Northwestern University (Evanston, IL)
14/ 293,270
June 2, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under Grant No. DE-EE0003460, awarded by the Department of Energy. The Government has certain rights in the invention.