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Self-bending extrusion welding behavior of streamlined function die

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Abstract

A twisted channel self-bending shunting die, a vertical shunting die, and a symmetrical streamlined shunting die were designed. The plate extrusions of these dies were simulated and experimented with. The experimental results show that the actual metal flow is consistent with it in the simulation. The results of the simulation show that the leftward bending plate is extruded out by the twisted channel self-bending shunting die, and the straight plate is extruded out by the other dies. The data for the welding path in the extrusion process of the three shunting dies were extracted, and the J values of the welding criterion were calculated. The longer the weld stability height distance above the J value, the wider the stable weld formation interval, the better the weld quality. The order of weld quality among the three dies is that vertical shunting die < symmetrical streamlined shunting die < twisted channel self-bending shunting die. The symmetrical streamlined shunting die and the twisted channel self-bending shunting die were simulated at different extrusion speeds, the results show that the greater the extrusion speed, the shorter the distance of the stable weld height above the junction value J, and the worse the weld quality of the shunting dies.

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Funding

This work was supported by the Natural Science Foundation of Shandong Province [Project Number ZR2017MEE036] and Zibo City School City Integration Development Project [Project Number 2017ZBXC205]. Natural Science Foundation of Shandong Province,ZR2017MEE036,Guangming Zhu,Zibo City School City Integration Development Project,2017ZBXC205,Guangming Zhu

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Authors and Affiliations

  1. School of Mechanical Engineering, Shandong University of Technology, 266 Xincun West Road, Zibo, 255000, People’s Republic of China

    Huiping Liu, Fanlei Min, Bowen Yue, Xujie Gao, Zongshen Wang, Nana Guo & Guangming Zhu

  2. School of Computer Science and Technology, Shandong University of Technology, 266 Xincun West Road, Zibo, 255000, People’s Republic of China

    Zheng Chang

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  1. Huiping Liu
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Contributions

Huiping Liu: software, validation, writing–original draft, writing–review, and editing; Fanlei Min: conceptualization, methodology, software, and writing–original draft; Guangming Zhu: resources and supervision; Zheng Chang: resources and supervision; Nana Guo, Bowen Yue, Xujie Gao, and Zongshen Wang: investigation. All authors read and approved the final manuscript.

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Correspondence to Zheng Chang or Guangming Zhu.

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Huiping Liu and Fanlei Min are contributes equally to this work.

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Liu, H., Min, F., Yue, B. et al. Self-bending extrusion welding behavior of streamlined function die. Int J Adv Manuf Technol 119, 3065–3076 (2022). https://doi.org/10.1007/s00170-021-08552-8

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