Study on the Calculating Method of Bending Stress for Non-Circular Gear

Ji Qang Li; Zhong Ming Liu; He Ping Zhang; Ling Xian Meng; Li Yong Zhang; Zheng Bing Wang

doi:10.4028/www.scientific.net/AMM.86.337

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 86Study on the Calculating Method of Bending Stress...

Study on the Calculating Method of Bending Stress for Non-Circular Gear

Abstract:

Profiles of non-circular gears and equivalent gears are compared in this paper, and profile differences are specifically investigated. Based on the cantilever beam theory, the calculating method of bending stress for non-circular gear is researched, and computational error by using equivalent gear instead of non-circular gear to calculate the bending stress is analyzed through the comparison of tooth form factors. Simultaneously, the numerical simulation of bending stress of non-circular gear is conducted on the basis of the FEM method. By the fitting curve comparison, the feasibility of using equivalent gear instead of non-circular gear to calculate the bending stress is testified.