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The production of seamless steel multi-rifled tubes (i.e. tubes with multiple inner grooving) by means of cold drawing ranks among the most advanced cold forming production technologies. For this particular technology a hot rolled seamless steel tube serves as a feedstock for multiple cold drawing operations with a smooth plug. Then, the final drawing operation takes place, producing the grooving pattern on inner surface of the tube by means of a multi-rifled plug. In this paper, experimental validation of a numerical model of multi-rifled tube drawing is being presented. The model setup was prepared in DEFORM 3D simulation software with final tube dimensions of Ø 28.6 × 6.27 mm. The final tube dimensions from the experiment were obtained via optical 3D scanning technology. Comparing the measured quantities with the simulated ones, there was a very good agreement between the simulation and the experiment. Such a validated numerical model can serve as an efficient tool in further optimization of multi-rifled seamless tube production technology, bringing the producer a vital technological innovation into the traditional cold drawing production process.Comparing the measured quantities with the simulated ones, there was a very good agreement between the simulation and the experiment. Such a validated numerical model can serve as an efficient tool in further optimization of multi-rifled seamless tube production technology, bringing the producer a vital technological innovation into the traditional cold drawing production process.
Keywords: Experimental validation, seamless steel tube, FEM, numerical simulation, multi-rifled tube, cold drawing© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.