Power parameters of electric drives of five-stand wire rod mill with four-roll passes

Karandaev, A. S.; Yakimov, Ivan A.; Petukhova, Olga I.; Antropova, Lyudmila I.; Khramshina, Ekaterina A.

doi:10.1109/eiconrus.2017.7910862

Cited by 4 publications

(3 citation statements)

References 7 publications

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“…Figure 6 provides a generalized structural diagram of the developed five-stand mill model shown in Figure 1 [14]. The considered above mathematical description makes it possible to establish the interconnection between metal rolling pressure P, mill torque M and metal forward slip in the deformation zone s in the form of complex non-linear functions of input and output sizes of the strip D and α, friction coefficient f, the yield strength of the initial billet σ S , forward and back tension values F 1 , F 0…”

Section: Structure Of a Digital Model For A Five-stand Millmentioning

confidence: 99%

“…In addition to determining the power parameters, the improvement of their calculation methods will provide an opportunity to simulate the rolling process on promising multi-stand mills, taking into account the interaction of electromechanical systems through the metal [14]. This challenge cannot be solved by using well-known software packages based on finite-element models (DEFORM, ABAQUS, ANSYS, Q-FORM, etc.…”

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confidence: 99%

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Calculating Power Parameters of Rolling Mill Based on Model of Deformation Zone with Four-Roll Passes

et al. 2020

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Making “digital twins” for rolling processes and mill equipment should begin with the development of mathematical models of the deformation zone. The deformation zone of two-high flat mill rolling have been studied in detail, relevant models are available in many academic papers. However, the same cannot be said about the most complex deformation zones in stands with multi-roll gauge. Therefore, the task of their reliable mathematical description is of immediate interest. The development of mathematical models is necessary for the design of new wire mills and rolling-drawing units. The combination of rolling in stands with multi-roll gauge and drawing is a promising direction in the production of wire from difficult-to-form steels and alloys. Digital models for pressure-based metal treatment are also necessary for calculating the rolling-mill power parameters during the development of new assortments at the operating mills. The models of deformation zones present the basis for developing the multivariable control systems of process conditions of continuous mills. This research is devoted to the study of the deformation zone and the development of a procedure for calculating the power parameters of rolling in a stand with four-roll passes. The solution of these challenges is given using the example of an operating five-stand wire mill. The authors analysed the known analytical dependencies for calculating the rolling mill force and torque. A mathematical model of the deformation zone and a program for calculating the power parameters have been developed. The paper compares the results obtained from calculations based on analytical dependence and on modelling. A comparison with the experimental parameters obtained at the mill is given. The authors assess the feasibility of using the known formulas and analyse the impact of the front and rear tensions on the power parameters of rolling mill. The problem of developing an automatic tension control system for continuous mills with multi-roll groove is substantiated.

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Section: Structure Of a Digital Model For A Five-stand Millmentioning

confidence: 99%

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confidence: 99%

Calculating Power Parameters of Rolling Mill Based on Model of Deformation Zone with Four-Roll Passes

et al. 2020

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“…An optimal design of the Morgan Construction Companies' laying pipe is investigated in Ref. [20] to deal with uneven wear. A pipe design approach is developed to minimize and evenly distribute wear on the inner surface of laying pipe.…”

Section: Introductionmentioning

confidence: 99%

Force Analysis and Curve Design for Laying Pipe in Loop Laying Head of Wire Rod Mills

Yao

Ceccarelli

Carbone

et al. 2019

Chin. J. Mech. Eng.

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Laying head is a high-precision engineering device in hot-rolled high speed wire rod production line. Previously research works are focused on the laying pipe wear-resisting. Laying pipe curve design method based on wire rod kinematics and dynamics analyses are not reported before. In order to design and manufacture the laying pipe, the motion and force process of the wire rod in the laying pipe should be studied. In this paper, a novel approach is proposed to investigate the force modeling for hot-rolled wire rod in laying pipe. An idea of limited element method is used to analysis and calculates the forces between laying pipe inner surface and wire rod. The design requirements of laying pipe curve for manufacturing are discussed. The kinematics and dynamics modeling for numerical calculation are built. A laying pipe curve equation is proposed by discussing design boundary conditions. Numerical results with different laying pipe curves design parameters are plotted and compared. The proposed approach performs good result which can be applied for laying pipe curve design and analysis for engineering application.

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Developing an Automated System to Control the Rolled Product Section for a Wire Rod Mill with Multi-Roll Passes

Radionov

Petukhova

Ердаков

et al. 2022

JMMP

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The key priority of metallurgical industry development is expanding the range and improving the quality of bar products and their major component, steel wire. Continuous wire rod mills with multi-roll passes have been developed and implemented over the past decades. These include mills with four-roll passes with mutually perpendicular rolls. The specific feature of mills with complex passes is the impossibility of conduct and the direct measurement of the workpiece dimensions in several directions during rolling. The paper studies the development of a system for indirect control over complex section geometry by adjusting the interstand space tension with simultaneous compensation for changes in rolling forces. The paper contribution is the first justification of a technique for the control over the indirect rolled product section on mills with multi-roll passes based on theoretical and experimental research. Analytical and experimental dependencies between the metal pressure on the rolls and the semifinished rolled product temperature, rolling speed, and single drawing have been obtained for various steel grades. The impact of process factors on the rolled product section geometry when rolling in stands with four-roll passes has first been studied. The automated control system implementing the proposed technique has passed pilot tests on a continuous five-stand mill. The processes occurring in closed-loop speed and torque control systems under controlling and disturbing effects have been experimentally studied. Implementing the proposed algorithms indirectly confirmed the reduced impact of tension and pressure on the section geometry.

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Power parameters of electric drives of five-stand wire rod mill with four-roll passes

Cited by 4 publications

References 7 publications

Calculating Power Parameters of Rolling Mill Based on Model of Deformation Zone with Four-Roll Passes

Calculating Power Parameters of Rolling Mill Based on Model of Deformation Zone with Four-Roll Passes

Force Analysis and Curve Design for Laying Pipe in Loop Laying Head of Wire Rod Mills

Developing an Automated System to Control the Rolled Product Section for a Wire Rod Mill with Multi-Roll Passes

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