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Quality Improvement for Large Diameter Welded Pipes Using a Modeling Method for the Shape Change Processes of Sheet Billet

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Abstract

The analysis of the quality of large diameter welded pipes (LDP) was carried out and a method was proposed in the form of algorithms and mathematical models based on the finite-element method (FEM), which allows calculating the boundaries of the deformation zone, the width and radius of the billet to be formed at each step of the step forming press and obtaining profile of “spline” pipe, which, upon subsequent deformation and welding on the equipment of the TESA 1420 line, ensures the production of finished pipes of the required dimensions in accordance with regulatory documents and without defects.

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Correspondence to A. P. Kolikov.

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Translated by S. Avodkova

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Kolikov, A.P., Zvonarev, D.Y. Quality Improvement for Large Diameter Welded Pipes Using a Modeling Method for the Shape Change Processes of Sheet Billet. Steel Transl. 50, 801–807 (2020). https://doi.org/10.3103/S0967091220110078

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