Abstract
The paper presents the research on two technologies of cold axial rotary forging, which combine the traditional rotary forging with multi-upsetting and radial extrusion. Technologies are developed for the manufacture of thick flanges, i.e., flanges thicker than the wall thickness of the original tube blank, when the process is limited by the buckling of the workpiece. The proposed technologies provide for stability of the workpieces during processing and enable manufacturing of flanges with dimensions DN 150–450 of the European Standards 42.05.04, 42.05.07. Rotary forging can also be carried out with conical or cylindrical rolls. The results of modeling technologies are detailed employing in the simulation software Deform 3D. The combined rotary-forging technologies are particularly effective for the production of flanges from tube blanks, including stainless steel, the connection to which they are intended to effect.
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Aksenov, L.B., Kunkin, S.N. (2017). The Combined Cold Axial Rotary Forging of Thick Hollow Flanges. In: Evgrafov, A. (eds) Advances in Mechanical Engineering. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-53363-6_1
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DOI: https://doi.org/10.1007/978-3-319-53363-6_1
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