Analysis of Tooth Profile Influencing Factors and Meshing Characteristics for Trochoidal Roller Pinion Rack Transmissions

Shuangshuang Si, Haiwei Wang, Lulu Li, Geng Liu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper has taken the trochoidal roller pinion rack transmission as the research object. Firstly, the influencing factors of tooth shape are fitted and the influencing laws are obtained by analyzing the operation results; Secondly, based on the trochoidal tooth profile equations, the curvature and curvature radius equations are derived, the factors influencing the variation of radius of curvature and their influencing rules are obtained, then the root-cutting characteristics are analyzed; Finally, the influencing factors for the meshing characteristics of pressure angle and contact ratio are systematically analyzed by MATLAB. The results show that improving the transmission efficiency can be attained by increasing the number of rollers and reducing the rack profile offset coefficient appropriately; Increasing contact ratio can be achieved by increasing the roller numbers, roller diameter coefficient, addendum height coefficient and reducing tooth profile offset coefficient.

Original languageEnglish
Title of host publicationAdvances in Mechanical Design - Proceedings of the 2021 International Conference on Mechanical Design, ICMD 2021
EditorsJianrong Tan
PublisherSpringer Science and Business Media B.V.
Pages645-663
Number of pages19
ISBN (Print)9789811673801
DOIs
StatePublished - 2022
EventInternational Conference on Mechanical Design, ICMD 2021 - Changsha, China
Duration: 11 Aug 202113 Aug 2021

Publication series

NameMechanisms and Machine Science
Volume111
ISSN (Print)2211-0984
ISSN (Electronic)2211-0992

Conference

ConferenceInternational Conference on Mechanical Design, ICMD 2021
Country/TerritoryChina
CityChangsha
Period11/08/2113/08/21

Keywords

  • Meshing characteristics
  • Tooth profile
  • Trochoidal roller pinion rack

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