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Wear Analysis of Transmission Gear Tooth of Coal Mining Machine using the Finite Element Method.

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Title: Wear Analysis of Transmission Gear Tooth of Coal Mining Machine using the Finite Element Method.
Authors: Wang, Shuilin1,2, Meng, Fanping3 fpingmeng@163.com, Cao, Zhimin2, Liang, Zhitao2
Source: Applied Computational Electromagnetics Society Journal. Aug2025, Vol. 40 Issue 8, p778-787. 10p.
Subjects: Finite element method, Mining machinery, Contact mechanics, Mechanical wear testing, Laser deposition, Gearboxes, Gearing machinery, Surface pressure
Abstract: This research employs finite element analysis for simulation and calculation to investigate the causes of tooth wear in coal mining machine transmission gears and how it affects gear transmission performance. Utilising Hertz theory, we calculated the maximum contact stress and Hertz half-width during the gear transmission process. A three-dimensional geometric model of the coal mining machine’s right rocker transmission system was created using Pro/E software, which was subsequently analyzed with ANSYS/LS-DYNA for gear meshing. The wear quantity on the gear tooth surface was determined using the Archard wear model, disregarding the effects of lubricant and gear tooth temperature rise. Our simulations revealed the wear distribution and changes in wear amount across various tooth surface wear models under different operating conditions. Notably, we found that wear quantity is directly correlated with tooth wear range and contact stress, with significant wear occurring at the top and root of the tooth. Furthermore, we conducted laser cladding remanufacturing experiments, optimizing process parameters to enhance wear resistance and fatigue strength. The microstructure of the remanufactured tooth face exhibited homogeneity and a lower friction factor than new surfaces. This study offers novel insights into the wear mechanisms of coal mining machine gears. It demonstrates the effectiveness of laser cladding technology in enhancing gear performance, providing practical implications for the design and maintenance of gear systems in harsh operating environments. [ABSTRACT FROM AUTHOR]
Copyright of Applied Computational Electromagnetics Society Journal is the property of River Publishers 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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DbLabel: Engineering Source
An: 190049313
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  Data: Wear Analysis of Transmission Gear Tooth of Coal Mining Machine using the Finite Element Method.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Shuilin%22">Wang, Shuilin</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Meng%2C+Fanping%22">Meng, Fanping</searchLink><relatesTo>3</relatesTo><i> fpingmeng@163.com</i><br /><searchLink fieldCode="AR" term="%22Cao%2C+Zhimin%22">Cao, Zhimin</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Liang%2C+Zhitao%22">Liang, Zhitao</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Applied+Computational+Electromagnetics+Society+Journal%22">Applied Computational Electromagnetics Society Journal</searchLink>. Aug2025, Vol. 40 Issue 8, p778-787. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Mining+machinery%22">Mining machinery</searchLink><br /><searchLink fieldCode="DE" term="%22Contact+mechanics%22">Contact mechanics</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+wear+testing%22">Mechanical wear testing</searchLink><br /><searchLink fieldCode="DE" term="%22Laser+deposition%22">Laser deposition</searchLink><br /><searchLink fieldCode="DE" term="%22Gearboxes%22">Gearboxes</searchLink><br /><searchLink fieldCode="DE" term="%22Gearing+machinery%22">Gearing machinery</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+pressure%22">Surface pressure</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This research employs finite element analysis for simulation and calculation to investigate the causes of tooth wear in coal mining machine transmission gears and how it affects gear transmission performance. Utilising Hertz theory, we calculated the maximum contact stress and Hertz half-width during the gear transmission process. A three-dimensional geometric model of the coal mining machine’s right rocker transmission system was created using Pro/E software, which was subsequently analyzed with ANSYS/LS-DYNA for gear meshing. The wear quantity on the gear tooth surface was determined using the Archard wear model, disregarding the effects of lubricant and gear tooth temperature rise. Our simulations revealed the wear distribution and changes in wear amount across various tooth surface wear models under different operating conditions. Notably, we found that wear quantity is directly correlated with tooth wear range and contact stress, with significant wear occurring at the top and root of the tooth. Furthermore, we conducted laser cladding remanufacturing experiments, optimizing process parameters to enhance wear resistance and fatigue strength. The microstructure of the remanufactured tooth face exhibited homogeneity and a lower friction factor than new surfaces. This study offers novel insights into the wear mechanisms of coal mining machine gears. It demonstrates the effectiveness of laser cladding technology in enhancing gear performance, providing practical implications for the design and maintenance of gear systems in harsh operating environments. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Applied Computational Electromagnetics Society Journal is the property of River Publishers 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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      – Type: doi
        Value: 10.13052/2025.ACES.J.400810
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      – Code: eng
        Text: English
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        PageCount: 10
        StartPage: 778
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      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Mining machinery
        Type: general
      – SubjectFull: Contact mechanics
        Type: general
      – SubjectFull: Mechanical wear testing
        Type: general
      – SubjectFull: Laser deposition
        Type: general
      – SubjectFull: Gearboxes
        Type: general
      – SubjectFull: Gearing machinery
        Type: general
      – SubjectFull: Surface pressure
        Type: general
    Titles:
      – TitleFull: Wear Analysis of Transmission Gear Tooth of Coal Mining Machine using the Finite Element Method.
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            NameFull: Wang, Shuilin
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            NameFull: Meng, Fanping
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            – D: 01
              M: 08
              Text: Aug2025
              Type: published
              Y: 2025
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