PAO NKMZ

Kramators’k, Ukraine
Kramators’k, Ukraine
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Barabash A.V.,PAO NKMZ | Gavril'chenko E.Y.,PAO NKMZ | Gribkov E.P.,Donetsk Basin State Manufacturing Academy | Markov O.E.,Donetsk Basin State Manufacturing Academy
Steel in Translation | Year: 2014

A new method of determining the parameters of sheet straightening takes account of the flexure of the working rollers and its influence the waviness. The method is based on the combined use of an engineering model of sheet straightening and regression equations obtained by finite-element modeling of the correction of waviness. Experiments confirm the applicability of the method in automatic control systems for sheet-straightening machines. © 2014, Allerton Press, Inc.


Ostapenko A.L.,NPO Doniks | Beygelzimer E.E.,NPO Doniks | Kozlenko D.A.,NPO Doniks | Gritsenko S.A.,PAO NKMZ | Goncharov N.V.,NPO Doniks
Steel in Translation | Year: 2016

The temperature over the thickness and width of the quenched sheet is studied experimentally in the roller quenching machine at OAO Severstal’. The result permits industrial assessment of the efficiency of the first header with slotted nozzle and subsequent sections with flat spray nozzles. In addition, the length of the active water layer at the lower sheet surface may be estimated, and the optimal ratio of the flow rates in upper and lower cooling may be analyzed. The conclusions may be employed in developing the design, technology and software for automated control systems used in the heat treatment of steel sheet. © 2016, Allerton Press, Inc.


Tiunov V.N.,PAO NKMZ | Gritsenko S.A.,PAO NKMZ | Ostapenko A.L.,NPO Doniks | Beigel'zimer E.E.,NPO Doniks | Kozlenko D.A.,NPO Doniks
Steel in Translation | Year: 2014

The roller quenching machines developed by PAO NKMZ offer high performance in terms of the cooling speed, the microstructure, and the planarity of the quenched sheet, as confirmed by experiments and industrial experience at the HSW-Huta Stali plant (Poland) and Severstal’ metallurgical works (Russia). The quenching process is automatically controlled on the basis of simulation software provided by NPO Doniks. © 2014, Allerton Press, Inc.


Shraider A.V.,PAO NKMZ | Dardesov A.A.,PAO NKMZ | Motov S.N.,PAO NKMZ
Steel in Translation | Year: 2014

Rollers made of steel alloyed with Cr and Si are appraised. New production technologies for rollers at PAO NKMZ are considered. © 2014, Allerton Press, Inc.

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