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Metallurgist

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12-08-2017

Using the Upper-Bound Method to Calculate the Upsetting Forces for Oil Pipes

Authors: M. V. Erpalov, H. Dyja, A. A. Bogatov

Published in: Metallurgist | Issue 3-4/2017

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Abstract

The upper-bound method is used to calculate the upsetting force. Novelty is the realism of the modeled velocity field of metal in the deformation zone. The calculated upsetting force is shown to be in agreement with available industrial data. The analytical expression derived is used in the press control algorithm and software to determine the rational upsetting force for various tool designs and pipe dimensions.

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M. V. Erpalov, A. A. Bogatov, S. V. Systerov, and Yu. B. Kulemin, “Problems and achievements in the production of upset tubing pipes at the PNTZ,” Chern. Metally, No. 2, 28–33 (2015).

M. V. Erpalov, G. N. Kondrat’ev, and A. A. Bogatov, “Modifying the tube upsetting technology to increase the efficiency of the SMS Meer hydraulic press,” in: Proc. Int. Conf. Innovative Technologies in Metallurgy and Mechanical Engineering, Ekaterinburg (2014), pp. 581–592.

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M. V. Erpalov, A. A. Bogatov, S. V. Systerov, and Yu. B. Kulemin, “Shaping of metal in upsetting the ends of a pipe,” Steel in Transl., 45, 212–215 (2015).CrossRef

Title: Using the Upper-Bound Method to Calculate the Upsetting Forces for Oil Pipes
Authors: M. V. Erpalov
H. Dyja
A. A. Bogatov
Publication date: 12-08-2017
Publisher: Springer US
Published in: Metallurgist / Issue 3-4/2017
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI: https://doi.org/10.1007/s11015-017-0473-1

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