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Study on warm forming process of rigid-flexible composite drawing based on numerical simulation

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Abstract

5A06 aluminum alloy has good corrosion resistance and no low temperature brittleness, so it is widely used in aerospace sheet metal components. However, when forming complex thin-walled parts, the surface forming quality and accuracy of the alloy are poor, and the forming performance is limited, which has been an important problem in application. In this paper, on the basis of hydrodynamic deep drawing, the rigid-flexible composite drawing warm forming process is innovatively proposed, which improves the forming quality of 5A06 complex bottom aluminum alloy parts and fittability. Taking aluminum alloy concave-bottom cylindrical parts as the research object, the influence law of rigid-flexible composite drawing warm forming process on the forming process and the fitting accuracy of concave-bottom cylindrical parts was explored by using the method of numerical simulation and forming experiment. The results show that under the process conditions of hydraulic pressure 20 MPa, sheet forming height 50 mm, and forming speed 1.8 mm/s, the maximum thinning rate of special-shaped bottom cylinder wall thickness is 21.3%, and the fittability is 97.3%.

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The data obtained in the framework of this study are available to the journal upon request.

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Funding

This paper was financially supported by Harbin academic leader fund (2017RAXXJ008) and National natural science foundation of China (51975167).

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Authors and Affiliations

  1. School of Materials Science and Engineering, Harbin University of Science and Technology, Harbin, 150040, China

    Xiao Jing Liu, Ying Ying Zhou, Peng Chen, Chao Li & Jin Qin

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  1. Xiao Jing Liu
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  2. Ying Ying Zhou
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  3. Peng Chen
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  5. Jin Qin
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Contributions

Ying Ying Zhou: conceptualization, methodology, writing—original draft preparation, experimental scheme design. Xiao Jing Liu: writing—reviewing and editing. Li Chao: experiment. Jin Qin: verification, validation. Peng Chen: supervision.

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Correspondence to Xiao Jing Liu.

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This article is completed under my independent research, and without the phenomenon that quotes largely or plagiarizes other articles and so on. Therefore, I will be corresponding responsible for the thing.

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Liu, X.J., Zhou, Y.Y., Chen, P. et al. Study on warm forming process of rigid-flexible composite drawing based on numerical simulation. Int J Adv Manuf Technol 123, 839–853 (2022). https://doi.org/10.1007/s00170-022-10121-6

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  • DOI: https://doi.org/10.1007/s00170-022-10121-6

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