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Optimal Initial Backlash Threshold Design of Spiral Bevel Gear Pair under Dry Running State.

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Title: Optimal Initial Backlash Threshold Design of Spiral Bevel Gear Pair under Dry Running State.
Authors: Li, Fei1 (AUTHOR) 328202067@qq.com, Wang, Sanmin2 (AUTHOR), Wang, Lijun1 (AUTHOR), Wang, Shifeng1 (AUTHOR), Li, Lijian1 (AUTHOR), Li, Bing1 (AUTHOR), Ma, Xiao1 (AUTHOR), Liu, Dong1 (AUTHOR)
Source: Tribology Transactions. Nov/Dec2025, Vol. 68 Issue 6, p1233-1246. 14p.
Subjects: Bevel gearing, Backlash (Engineering), Mechanical vibration research, Fretting corrosion, Elastic deformation, Mechanical wear, Thermal expansion
Abstract: An optimal initial backlash threshold calculation model considering thermal deformation, elastic deformation, and wear at the meshing point of spiral bevel gears under dry operation is proposed in this article. First, the thermal deformation and elastic deformation of spiral bevel gear pair are calculated based on the transient temperature field analysis of spiral bevel gear pair under dry running state, the principle of thermoelastic mechanics, and Hertz contact theory. Then the wear coefficient of the spiral bevel gear pair is determined by the friction and wear characteristic test. According to the Archard wear model and the tooth loading contact analysis, the wear depth of the spiral bevel gear pair under the dry running state is obtained, so as to determine the best initial backlash threshold to ensure that the spiral bevel gear pair has a dry running ability of 30 min. Finally, the correctness and effectiveness of the time-varying backlash calculation model are verified by example analysis and experiment. The results show that the dry running ability of the spiral bevel gear transmission system for 30 min can be satisfied when the initial backlash threshold of the spiral bevel gear pair is [0.44,0.46] mm, and the maximum vibration speed and maximum vibration acceleration of the transmission system within this backlash range are in line with the aero-engine design specifications. [ABSTRACT FROM AUTHOR]
Copyright of Tribology Transactions is the property of Taylor & Francis Ltd 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: 189731445
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Optimal Initial Backlash Threshold Design of Spiral Bevel Gear Pair under Dry Running State.
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  Data: <searchLink fieldCode="AR" term="%22Li%2C+Fei%22">Li, Fei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 328202067@qq.com</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Sanmin%22">Wang, Sanmin</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Lijun%22">Wang, Lijun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Shifeng%22">Wang, Shifeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Lijian%22">Li, Lijian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Bing%22">Li, Bing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ma%2C+Xiao%22">Ma, Xiao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Dong%22">Liu, Dong</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Tribology+Transactions%22">Tribology Transactions</searchLink>. Nov/Dec2025, Vol. 68 Issue 6, p1233-1246. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Bevel+gearing%22">Bevel gearing</searchLink><br /><searchLink fieldCode="DE" term="%22Backlash+%28Engineering%29%22">Backlash (Engineering)</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+vibration+research%22">Mechanical vibration research</searchLink><br /><searchLink fieldCode="DE" term="%22Fretting+corrosion%22">Fretting corrosion</searchLink><br /><searchLink fieldCode="DE" term="%22Elastic+deformation%22">Elastic deformation</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+wear%22">Mechanical wear</searchLink><br /><searchLink fieldCode="DE" term="%22Thermal+expansion%22">Thermal expansion</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: An optimal initial backlash threshold calculation model considering thermal deformation, elastic deformation, and wear at the meshing point of spiral bevel gears under dry operation is proposed in this article. First, the thermal deformation and elastic deformation of spiral bevel gear pair are calculated based on the transient temperature field analysis of spiral bevel gear pair under dry running state, the principle of thermoelastic mechanics, and Hertz contact theory. Then the wear coefficient of the spiral bevel gear pair is determined by the friction and wear characteristic test. According to the Archard wear model and the tooth loading contact analysis, the wear depth of the spiral bevel gear pair under the dry running state is obtained, so as to determine the best initial backlash threshold to ensure that the spiral bevel gear pair has a dry running ability of 30 min. Finally, the correctness and effectiveness of the time-varying backlash calculation model are verified by example analysis and experiment. The results show that the dry running ability of the spiral bevel gear transmission system for 30 min can be satisfied when the initial backlash threshold of the spiral bevel gear pair is [0.44,0.46] mm, and the maximum vibration speed and maximum vibration acceleration of the transmission system within this backlash range are in line with the aero-engine design specifications. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Tribology Transactions is the property of Taylor & Francis Ltd 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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        Value: 10.1080/10402004.2025.2537768
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 14
        StartPage: 1233
    Subjects:
      – SubjectFull: Bevel gearing
        Type: general
      – SubjectFull: Backlash (Engineering)
        Type: general
      – SubjectFull: Mechanical vibration research
        Type: general
      – SubjectFull: Fretting corrosion
        Type: general
      – SubjectFull: Elastic deformation
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      – SubjectFull: Mechanical wear
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      – SubjectFull: Thermal expansion
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      – TitleFull: Optimal Initial Backlash Threshold Design of Spiral Bevel Gear Pair under Dry Running State.
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            – D: 01
              M: 11
              Text: Nov/Dec2025
              Type: published
              Y: 2025
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