Method and apparatus for double-sided incremental flanging

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

Method and apparatus for double-sided incremental flanging

Patent · Tue May 24 00:00:00 EDT 2022

OSTI ID:1892947

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.

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):: 11,338,348

Application Number:: 16/613,885

OSTI ID:: 1892947

Country of Publication:: United States

Language:: English

References (8)

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Bi-directional dieless incremental flanging of sheet metals using a bar tool with tapered shoulders Wen, Tong; Zhang, Suo; Zheng, Jie Journal of Materials Processing Technology, Vol. 229 https://doi.org/10.1016/j.jmatprotec.2015.11.005	journal	March 2016
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A New Process Design for Performing Hole-flanging Operations by Incremental Sheet Forming Bambach, Markus; Voswinckel, Holger; Hirt, Gerhard Procedia Engineering, Vol. 81 https://doi.org/10.1016/j.proeng.2014.10.325	journal	January 2014
Investigation on a new hole-flanging approach by incremental sheet forming through a featured tool Cao, Tingting; Lu, Bin; Ou, Hengan International Journal of Machine Tools and Manufacture, Vol. 110 https://doi.org/10.1016/j.ijmachtools.2016.08.003	journal	November 2016

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