Method and apparatus for double-sided incremental flanging

Zhang, Huan; Cao, Jian; Ehmann, Kornel; Chen, Jun

Title: Method and apparatus for double-sided incremental flanging

Patent · Tue Mar 21 00:00:00 EDT 2023

OSTI ID:1987245

Zhang, Huan; Cao, Jian; Ehmann, Kornel; Chen, Jun

Flanges formed on sheet metal parts to increase the part stiffness or create mating surface for further assembly are created in an incremental sheet forming process using forming tool and supporting tool that move along a specified tool path so as to gradually deform a peripherally-clamped sheet metal work piece into the desired geometry. With two universal tools moving along the designed toolpath on the both sides of the part, the process is very flexible. Process time is can also be reduced by utilizing an accumulative double-sided incremental hole-flanging strategy, in which the flange is formed in only one step.

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Research Organization:: Northwestern Univ., Evanston, IL (United States); Shanghai Jiao Tong Univ. (China)

Sponsoring Organization:: USDOE

DOE Contract Number:: EE0005764

Assignee:: Northwestern University (Evanston, IL); Shanghai Jiao Tong University (Shanghai, CN)

Patent Number(s):: 11,607,719

Application Number:: 17/692,832

OSTI ID:: 1987245

Resource Relation:: Patent File Date: 03/11/2022

Country of Publication:: United States

Language:: English

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