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Study on the lubrication state evolution of rolling mill main drive shaft sliders under oil-gas lubrication.

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Title: Study on the lubrication state evolution of rolling mill main drive shaft sliders under oil-gas lubrication.
Authors: Hou, Jun1 (AUTHOR) 1678768026@qq.com, Xie, Liangxi1 (AUTHOR) xieliangxi@wust.edu.cn, Yu, Zhigang2 (AUTHOR) 316898251@qq.com, Zhang, Wenqi2 (AUTHOR) 18971577652@189.cn, Zhou, Min1 (AUTHOR) 23245456@qq.com, Duan, Xianyin3 (AUTHOR) cnewh@foxmail.com, Zhao, Aoqing1 (AUTHOR) 2446245022@qq.com, Liu, Hao1 (AUTHOR) 3100466542@qq.com
Source: Industrial Lubrication & Tribology. 2026, Vol. 78 Issue 3, p352-372. 21p.
Subjects: Lubrication & lubricants, Drive shafts, Structural optimization, Bearings (Machinery), Boundary lubrication, Lubricating oils, Sliding friction, Lubricated friction
Abstract: Purpose: Under harsh operating conditions such as high temperature, heavy load and low speed, the sliding block of the rolling mill main drive shaft is prone to lubrication failure, leading to frictional heating and burn damage, even with the adoption of oil-gas lubrication systems, which seriously affects equipment safety and production efficiency. This paper aims to reveal the evolution mechanism of the lubrication state of the sliding block under oil-gas lubrication conditions and identify the key influencing factors. Design/methodology/approach: A lubrication model of the rolling mill main drive shaft sliding block was established to simulate the distributions of oil film pressure, film thickness, friction stress and temperature on the slider surface, and to analyze the effects of factors such as radial clearance, deflection angle, oil content and load on the lubrication state thresholds of the sliding block. Findings: The study indicates that the evolution of the lubrication state is affected by the coupling of multiple factors. Increasing the radial clearance or deflection angle weakens the load-carrying capacity of the oil film, triggers friction stress concentration and temperature rise, and accelerates lubrication failure. While increasing the oil content can effectively compensate for the aforementioned adverse effects, its effectiveness diminishes with the increase of structural parameters. Changes in the radial clearance and deflection angle not only affect the oil film thickness but also cause the migration of high-pressure and high-stress zones on the surface, thereby triggering localized heating and burn damage. Originality/value: This study systematically reveals, for the first time, the lubrication state evolution and failure thresholds of rolling mill sliders under oil-gas lubrication in complex operating conditions, providing a theoretical basis for the structural optimization design and failure prediction of main drive shaft sliders. [ABSTRACT FROM AUTHOR]
Copyright of Industrial Lubrication & Tribology is the property of Emerald Publishing Limited and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 192569390
AccessLevel: 6
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  Label: Title
  Group: Ti
  Data: Study on the lubrication state evolution of rolling mill main drive shaft sliders under oil-gas lubrication.
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  Data: <searchLink fieldCode="AR" term="%22Hou%2C+Jun%22">Hou, Jun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 1678768026@qq.com</i><br /><searchLink fieldCode="AR" term="%22Xie%2C+Liangxi%22">Xie, Liangxi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> xieliangxi@wust.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Yu%2C+Zhigang%22">Yu, Zhigang</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> 316898251@qq.com</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Wenqi%22">Zhang, Wenqi</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> 18971577652@189.cn</i><br /><searchLink fieldCode="AR" term="%22Zhou%2C+Min%22">Zhou, Min</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 23245456@qq.com</i><br /><searchLink fieldCode="AR" term="%22Duan%2C+Xianyin%22">Duan, Xianyin</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> cnewh@foxmail.com</i><br /><searchLink fieldCode="AR" term="%22Zhao%2C+Aoqing%22">Zhao, Aoqing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 2446245022@qq.com</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Hao%22">Liu, Hao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 3100466542@qq.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Industrial+Lubrication+%26+Tribology%22">Industrial Lubrication & Tribology</searchLink>. 2026, Vol. 78 Issue 3, p352-372. 21p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Lubrication+%26+lubricants%22">Lubrication & lubricants</searchLink><br /><searchLink fieldCode="DE" term="%22Drive+shafts%22">Drive shafts</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+optimization%22">Structural optimization</searchLink><br /><searchLink fieldCode="DE" term="%22Bearings+%28Machinery%29%22">Bearings (Machinery)</searchLink><br /><searchLink fieldCode="DE" term="%22Boundary+lubrication%22">Boundary lubrication</searchLink><br /><searchLink fieldCode="DE" term="%22Lubricating+oils%22">Lubricating oils</searchLink><br /><searchLink fieldCode="DE" term="%22Sliding+friction%22">Sliding friction</searchLink><br /><searchLink fieldCode="DE" term="%22Lubricated+friction%22">Lubricated friction</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Purpose: Under harsh operating conditions such as high temperature, heavy load and low speed, the sliding block of the rolling mill main drive shaft is prone to lubrication failure, leading to frictional heating and burn damage, even with the adoption of oil-gas lubrication systems, which seriously affects equipment safety and production efficiency. This paper aims to reveal the evolution mechanism of the lubrication state of the sliding block under oil-gas lubrication conditions and identify the key influencing factors. Design/methodology/approach: A lubrication model of the rolling mill main drive shaft sliding block was established to simulate the distributions of oil film pressure, film thickness, friction stress and temperature on the slider surface, and to analyze the effects of factors such as radial clearance, deflection angle, oil content and load on the lubrication state thresholds of the sliding block. Findings: The study indicates that the evolution of the lubrication state is affected by the coupling of multiple factors. Increasing the radial clearance or deflection angle weakens the load-carrying capacity of the oil film, triggers friction stress concentration and temperature rise, and accelerates lubrication failure. While increasing the oil content can effectively compensate for the aforementioned adverse effects, its effectiveness diminishes with the increase of structural parameters. Changes in the radial clearance and deflection angle not only affect the oil film thickness but also cause the migration of high-pressure and high-stress zones on the surface, thereby triggering localized heating and burn damage. Originality/value: This study systematically reveals, for the first time, the lubrication state evolution and failure thresholds of rolling mill sliders under oil-gas lubrication in complex operating conditions, providing a theoretical basis for the structural optimization design and failure prediction of main drive shaft sliders. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Industrial Lubrication & Tribology is the property of Emerald Publishing Limited and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 21
        StartPage: 352
    Subjects:
      – SubjectFull: Lubrication & lubricants
        Type: general
      – SubjectFull: Drive shafts
        Type: general
      – SubjectFull: Structural optimization
        Type: general
      – SubjectFull: Bearings (Machinery)
        Type: general
      – SubjectFull: Boundary lubrication
        Type: general
      – SubjectFull: Lubricating oils
        Type: general
      – SubjectFull: Sliding friction
        Type: general
      – SubjectFull: Lubricated friction
        Type: general
    Titles:
      – TitleFull: Study on the lubrication state evolution of rolling mill main drive shaft sliders under oil-gas lubrication.
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            NameFull: Hou, Jun
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            NameFull: Xie, Liangxi
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            NameFull: Zhou, Min
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            NameFull: Duan, Xianyin
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            NameFull: Zhao, Aoqing
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            – D: 01
              M: 03
              Text: 2026
              Type: published
              Y: 2026
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              Value: 78
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            – TitleFull: Industrial Lubrication & Tribology
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