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Advances in Iron and Steel Industry: Equipment, Technologies and Automation
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Advances in Iron and Steel Industry: Equipment, Technologies and Automation

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Industrial Technologies".

Deadline for manuscript submissions: closed (20 February 2022) | Viewed by 6849

Special Issue Editors

Prof. Alexandr S. Maklakov

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Guest Editor
Mechatronics and Automation Department, South Ural State University, Chelyabinsk, Russia
Interests: power converters; active front-end rectifier systems; industrial electric drives; modulation techniques for power converters
Special Issues, Collections and Topics in MDPI journals
Prof. Vadim R. Khramshin

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Guest Editor
Director of Power Engineering and Automated Systems Institute, Nosov Magnitogorsk State Technical University, Magnitogorsk City, Russia
Interests: electric drives; automation and control systems; power engineering; industrial mechatronic systems.

Special Issue Information

Dear Colleagues,

The Special Issue “Advances in Iron and Steel Industry: Equipment, Technologies, and Automation” is devoted to providing and sharing recent achievements in the iron and steel industry: steels and alloys, pyrometallurgical processes, foundry production, welding, metal forming, and digitalization of steel plants. The Special Issue summarizes research in technical disciplines in universities, research institutes, large industrial enterprises, scientific and industrial associations, as well as research results obtained on the personal initiative of the authors.

We hope you will contribute your high-quality research, and we welcome you to submit your articles.

Prof. Alexandr S. Maklakov
Prof. Vadim R. Khramshin
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • metal science
  • pyrometallurgical processes
  • foundry production processes
  • metal forming: rolling, stamping, forging, pressing
  • design of metallurgical machinery and mechanism
  • process automation and control
  • mechatronic systems and drives
  • modeling and computer technologies

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Published Papers (1 paper)

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Research

21 pages, 9207 KiB  
Article
Advancement of Roll-Gap Control to Curb the Camber in Heavy-Plate Rolling Mills
by Andrey A. Radionov, Vadim R. Gasiyarov, Alexander S. Karandaev, Boris M. Loginov and Vadim R. Khramshin
Appl. Sci. 2021, 11(19), 8865; https://doi.org/10.3390/app11198865 - 23 Sep 2021
Cited by 7 | Viewed by 5724
Abstract
The quality of steelwork products depends on the geometric precision of flat products. Heavy-plate rolling mills produce plates for large-diameter pipes and for use in shipbuilding, mechanical engineering, and construction. This is why the precision requirements are so stringent. Today’s Mills 5000 produce [...] Read more.
The quality of steelwork products depends on the geometric precision of flat products. Heavy-plate rolling mills produce plates for large-diameter pipes and for use in shipbuilding, mechanical engineering, and construction. This is why the precision requirements are so stringent. Today’s Mills 5000 produce flat products of up to 5 m in width; the operation of these units shows ‘camber’ defects and axial shift of the roll at the stand exit point. This induces greater loss of metal due to edge trimming and involves a higher risk of accidents. These defects mainly occur due to the asymmetry in the roll gap, which is in turn caused by their misalignment in rolling. As a result, the feed varies in gauge, and the strip moves unevenly. The paper’s key contribution consists in theoretical and experimental substantiation and development of a set of control methods intended to address roll-gap asymmetry. The methods effectively compensate for the asymmetry resulting from the “inherited” wedge, which preexists before the strip enters the stand. They also compensate for the “ongoing” roll misalignment that is caused by the difference in force on the opposite side of the stand during rolling. This comprehensive approach to addressing camber and axial displacement of the feed has not been found in other sources. This paper presents a RAC controller connection diagram that ensures that the roll gap is even across the feed. The paper notes the shortcomings of the design configuration of the controller and shows how it could be improved. The authors have developed a predictive roll-gap asymmetry adjustment method that compensates for the deviations in gauge during the inter-passage pauses. They have also developed a method to control gap misalignment during rolling. The paper showcases the feasibility of a proportional-derivative RAC. The methods have been tested by mathematical modeling and experimentally. The paper further shows oscillograms sampled at Mill 5000 after implementing the developed solutions. Tests confirm far better precision of the screw-down mechanisms on the opposite sides of the stand. This reduces the variation in gauge across the feed and thus curbs the camber defect. As a result, the geometry of the flat improves, and less metal is lost in trimming. The paper further discusses how the RAC controller interacts with the automatic gauge control system. The conclusion is that these systems do not interfere with each other. The developed systems have proceeded to pilot testing. Full article
(This article belongs to the Special Issue Advances in Iron and Steel Industry: Equipment, Technologies and Automation)
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