Influence of the Curvature of the Multipoint Die for Flexible Multipoint Stretch Bending on the Quality of Aluminum Profile

Li Yi; Li Rui; Liang CeLiang JicaiTeng Fei

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Influence of the Curvature of the Multipoint Die for Flexible Multipoint Stretch Bending on the Quality of Aluminum Profile

机译：Influence of the Curvature of the Multipoint Die for Flexible Multipoint Stretch Bending on the Quality of Aluminum Profile

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The finite element numerical simulation method was used to study the stretch-bending process of asymmetric L-section aluminum alloy profiles. The geometrical parameters of the multipoint dies (MPDs) are studied to influence the shape accuracy and springback of the L-section profile after bending. The results show that the profile curvature of the MPD after the profile is bent has a great influence on the stress-strain distribution, springback value, and shape accuracy. In order to obtain uniform stress-strain of the profile and reduce the springback and shape error, the MPD is optimized by numerical simulation analysis, which has a certain reference value of providing a theoretical basis for the rational design of the flexible stretch-bending.

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来源
《Mathematical Problems in Engineering: Theory, Methods and Applications》 |2020年第3期|5960973.1-5960973.9|共9页
作者
Li Yi; Li Rui; Liang CeLiang JicaiTeng Fei;
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作者单位

Jilin Univ, Minist Educ, Key Lab Automobile Mat, Changchun 130025, Jilin, Peoples R China|Jilin Univ, Coll Mat Sci & Engn, Changchun 130025, Jilin, Peoples R China;

Jilin Univ, Minist Educ, Key Lab Automobile Mat, Changchun 130025, Jilin, Peoples R China|Jilin Univ, Coll Mat Sci & Engn, Changchun 130025, Jilin, Peoples R China|Jilin Univ, Roll Forging Res Inst, Changchun 130025, Jilin, Peoples R China;

Changchun Univ, Sch Mech & Vehicular Engn, Changchun 130000, Jilin, Peoples R China;

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Influence of the Curvature of the Multipoint Die for Flexible Multipoint Stretch Bending on the Quality of Aluminum Profile

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