A computerized method for loaded tooth contact analysis of high-contact-ratio spur gears with or without flank modification considering tip corner contact and shaft misalignment

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題名:	A computerized method for loaded tooth contact analysis of high-contact-ratio spur gears with or without flank modification considering tip corner contact and shaft misalignment
作者:	蔡錫錚;Ye, Siang-Yu;Tsai, Shyi-Jeng
貢獻者:	工學院機械工程學系
關鍵詞:	High-contact-ratio spur gears;Loaded tooth contact analysis;Shaft misalignment;Tip corner contact
日期:	2016-03-01
上傳時間:	2026-04-23 14:37:23 (UTC+8)
出版者:	Elsevier Ltd.;Elsevier Ltd
摘要:	摘要： High-contact-ratio (HCR) spur gears have the advantages of reducing the acting loads on the teeth, as well as noise and vibration. However, the phenomenon of tip corner contact and the influence of shaft misalignments can cause unexpected damage and vibration. Flank modification is a solution for these influences. An efficient computerized tool for loaded tooth contact analysis (LTCA) is proposed in this paper that can be used to design HCR gears, while taking into consideration the conditions of tip corner contact and shaft misalignment. The LTCA method is developed based on the influence coefficient method and considers both the deformation of the loaded teeth and the twist deformation of the shaft. The variations of the shared loads and contact stress of a HCR spur gear pair with lead crowning and relieved profiles are analyzed considering the influence of the amount of shaft misalignment and relief. The contact patterns as well as the stress distribution on the engaged flanks in various cases are also simulated. •A LTCA approach for HCR spur gears considering the deformations of the teeth and the twist of the shaft is proposed.•Two dimensional conditions of engaged flanks are involved in the LTCA model.•The non-Hertzian contact on the tip corner and the face-end edge is analyzed and simulated.•The influences of lead crowning and profile relief are studied.•The loaded contact characteristics of various study cases are discussed systematically. 出版者： Elsevier Ltd 出版日期： 2016-03-01 出處： Mechanism and machine theory, 2016-03, Vol.97, p.190-214 版權： 2015 Elsevier Ltd 識別號： ISSN: 0094-114X 識別號： EISSN: 1873-3999 識別號： DOI: 10.1016/j.mechmachtheory.2015.11.008
顯示於類別:	[機械工程學系] 期刊論文

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