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The project/research was financed in the framework of the project Lublin University of
Technology—Regional Excellence Initiative, funded by the Polish Ministry of Science and Higher Education
(contract no. 030/RID/2018/19).
The paper presented a new method for forming flanges on hollow parts by incrementalradial extrusion. In the classic process of radial extrusion, additional rings were used to limit thefree flow of material in the radial direction. The flange was formed progressively, using rings ofincreasing diameters. The proposed method was verified by numerical analysis and experimentaltests. The numerical calculations were performed by the finite element method using the Deform-3Dsoftware package. Tubes made of aluminum alloy EN AW 6060 were used as billets. Laboratorytests were carried out using the Instron 1000 HDX testing machine. The objective of the study was todetermine the validity of the proposed flange extrusion method. Results demonstrated that the newmethod made it possible to produce flanges with a relatively large diameter and uniform thickness,confirming the effectiveness of the proposed forming technique.
