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Thermo-mechanical modeling of polymer spur gears with experimental validation using high-speed infrared thermography
Černe, Borut (Author), Petkovšek, Martin (Author), Duhovnik, Jože (Author), Tavčar, Jože (Author)

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Abstract
The presented work is focused on the development of a comprehensive thermo-mechanical model for predicting the temperature rise in thermoplastic polymer spur gears with any desired profile geometry while running. The specific constitutional behavior of thermoplastics influences the gear-meshing pattern, which can deviate substantially from ideal gear meshing, as typically exhibited by metal gears in moderate-loading conditions. Taking this aspect into account is of paramount importance if realistic temperature-rise predictions are to be made. The thermal response of the considered gear pair is studied thoroughly from both the analytical and experimental standpoints. Good agreement was found between the results of the model and the experimental measurements performed using a high-speed thermal imaging infrared camera, although it was also observed that the real-life temperature rise can increase noticeably if large geometric tolerance deviations from the ideal profile geometry are present. The presented experimental approach also offers the possibility to observe the temperature rise inside and outside the meshing cycle.

Language:English
Keywords:polymer gears, thermal analysis, sliding friction, contact mechanics, IR thermography
Work type:Article (dk_c)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2020
Number of pages:22 str.
Numbering:Vol. 146, art. 103734
UDC:621.833:678(045)
ISSN on article:0094-114X
DOI:10.1016/j.mechmachtheory.2019.103734 This link opens in a new window
COBISS.SI-ID:17011483 This link opens in a new window
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Downloads:134
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Record is a part of a journal

Title:Mechanism and machine theory
Shortened title:Mech. mach. theory
Publisher:Elsevier
ISSN:0094-114X
COBISS.SI-ID:5762311 This link opens in a new window

Document is financed by a project

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P2-0256
Name:Konstruiranje

Funder:EC - European Commission
Funding Programme:European Regional Development Fund
Project no.:C3330-18-952014
Name:MAPgears

Funder:Drugi - Drug financer ali več financerjev
Funding Programme:Republic of Slovenia
Project no.:C3330-18-952014
Name:MAPgears

Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:30.12.2019

Secondary language

Language:Slovenian
Keywords:polimerni zobniki, termične analize, drsno trenje, kontaktna mehanika, IR termografija

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