Causes of Formation and Ways of Elimination of Defects on the Internal Surface of Upset Tube Ends


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Causes of formation of defects on the internal surface of oil tubes with ends formed by upsetting in SMS Meer hydraulic presses are considered. Interrelated requirements on billets and calibration of the equipment aimed at intensifying the upsetting process in one pass with growth of the wall thickening factor to about 1.85 are formulated.

Sobre autores

A. Bogatov

Ural Federal University after the First President of Russia B. N. Eltsyn

Email: m.v.erpalov@urfu.ru
Rússia, Ekaterinburg

M. Erpalov

Ural Federal University after the First President of Russia B. N. Eltsyn

Autor responsável pela correspondência
Email: m.v.erpalov@urfu.ru
Rússia, Ekaterinburg

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