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An investigation of misalignment effects on the performance of acetal gears
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Hu, Zedong and Mao, Ken (2017) An investigation of misalignment effects on the performance of acetal gears. Tribology International, 116 . pp. 394-402. doi:10.1016/j.triboint.2017.07.029 ISSN 0301-679X.
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Official URL: http://dx.doi.org/10.1016/j.triboint.2017.07.029
Abstract
This paper concentrates on the effects of misalignment on meshing behaviour of acetal gears as hardly any misalignment investigations on polymer gears in the existing literatures. The experimental results show that the wear of acetal gears is insensitive to radial and axial misalignments but sensitive to yaw and pitch misalignments which degrade the conjugate contact action. Yaw misalignment leads to ‘scoop’ wear marks near tooth pitch points. Pitch misalignment causes ‘superimposed palisade’ wear marks and micro cracks near tooth roots. Compared with metal gears, the effects of small pitch angle on acetal gears are insignificant which may be linked closely to polymer's low elastic modulus. Strikingly different wear striations and various debris morphologies are observed by using scanning electronic and optical microscope (SEM, OM) and misalignment effects can be noted.
Item Type: | Journal Article | ||||||||||
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Subjects: | T Technology > TJ Mechanical engineering and machinery | ||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||||
Library of Congress Subject Headings (LCSH): | Gearing , Polycarbonates -- Industrial applications | ||||||||||
Journal or Publication Title: | Tribology International | ||||||||||
Publisher: | Elsevier Science Ltd. | ||||||||||
ISSN: | 0301-679X | ||||||||||
Official Date: | December 2017 | ||||||||||
Dates: |
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Volume: | 116 | ||||||||||
Page Range: | pp. 394-402 | ||||||||||
DOI: | 10.1016/j.triboint.2017.07.029 | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||||
Date of first compliant deposit: | 30 October 2017 | ||||||||||
Date of first compliant Open Access: | 29 July 2018 |
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