Tolerance analysis of involute spur gear from the perspective of design

The existing gears’ tolerance standards are formulated from the point of view of manufacturing and measurement. Tolerance categories are numerous. What is more, they have no correlation with each other. Tolerance analysis and optimization of gear and gear set are difficult. Module, pressure angle an...

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Main Authors: Chen Hua, Li Xin
Format: Article
Language:English
Published: EDP Sciences 2022-01-01
Series:Mechanics & Industry
Subjects:
Online Access:https://www.mechanics-industry.org/articles/meca/full_html/2022/01/mi210115/mi210115.html
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author Chen Hua
Li Xin
author_facet Chen Hua
Li Xin
author_sort Chen Hua
collection DOAJ
description The existing gears’ tolerance standards are formulated from the point of view of manufacturing and measurement. Tolerance categories are numerous. What is more, they have no correlation with each other. Tolerance analysis and optimization of gear and gear set are difficult. Module, pressure angle and center distance are the most important parameters for gears. Their variations directly affect the transmission precision of gears. Through careful research of the influence of deviations of module and pressure angle, a novel method of gear tolerance analysis is proposed in this paper from the perspective of design. For a single gear, tolerance specification and analysis only pay attention to these two tolerances. The influence of fluctuation of center distance for a gear set is also studied. Meanwhile, the calculation method of sensitivities and percent contributions about related parameters is introduced, which provides the basis for tolerance optimization. At last, a simple case is studied, which demonstrates the validity and novelty of the present work.
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spelling doaj.art-76b9980f1b784a0fabc1a409efc3a6942022-12-22T04:39:39ZengEDP SciencesMechanics & Industry2257-77772257-77502022-01-01231610.1051/meca/2022013mi210115Tolerance analysis of involute spur gear from the perspective of designChen Hua0https://orcid.org/0000-0001-9478-3648Li Xin1https://orcid.org/0000-0002-2244-6156Sino-German College of Intelligent Manufacturing, Shenzhen Technology University, 3002 Lantian RD, Pingshan DistrictCollege of Electronics and Communication Engineering, Shenzhen Polytechnic, 7098 Liuxiandong RD, Nanshan DistrictThe existing gears’ tolerance standards are formulated from the point of view of manufacturing and measurement. Tolerance categories are numerous. What is more, they have no correlation with each other. Tolerance analysis and optimization of gear and gear set are difficult. Module, pressure angle and center distance are the most important parameters for gears. Their variations directly affect the transmission precision of gears. Through careful research of the influence of deviations of module and pressure angle, a novel method of gear tolerance analysis is proposed in this paper from the perspective of design. For a single gear, tolerance specification and analysis only pay attention to these two tolerances. The influence of fluctuation of center distance for a gear set is also studied. Meanwhile, the calculation method of sensitivities and percent contributions about related parameters is introduced, which provides the basis for tolerance optimization. At last, a simple case is studied, which demonstrates the validity and novelty of the present work.https://www.mechanics-industry.org/articles/meca/full_html/2022/01/mi210115/mi210115.htmltolerance analysisoptimizationinvolute spur geartolerance design
spellingShingle Chen Hua
Li Xin
Tolerance analysis of involute spur gear from the perspective of design
Mechanics & Industry
tolerance analysis
optimization
involute spur gear
tolerance design
title Tolerance analysis of involute spur gear from the perspective of design
title_full Tolerance analysis of involute spur gear from the perspective of design
title_fullStr Tolerance analysis of involute spur gear from the perspective of design
title_full_unstemmed Tolerance analysis of involute spur gear from the perspective of design
title_short Tolerance analysis of involute spur gear from the perspective of design
title_sort tolerance analysis of involute spur gear from the perspective of design
topic tolerance analysis
optimization
involute spur gear
tolerance design
url https://www.mechanics-industry.org/articles/meca/full_html/2022/01/mi210115/mi210115.html
work_keys_str_mv AT chenhua toleranceanalysisofinvolutespurgearfromtheperspectiveofdesign
AT lixin toleranceanalysisofinvolutespurgearfromtheperspectiveofdesign