Parameter design of double-circular-arc tooth profile and its influence on meshing characteristics of harmonic drive

C Song, X Li, Y Yang, J Sun - Mechanism and Machine Theory, 2022 - Elsevier
In this paper, a design method of double-circular-arc tooth profile for harmonic gear based
on curve mapping and bidirectional conjugation is proposed. By considering the kinematic …

Study on tooth profile design of harmonic drive with deformation model of flexspline

Z Yu, S Ling, X Wang, L Wang - Meccanica, 2021 - Springer
The neutral curve of a flexspline (FS) is usually represented by the function curve of cam-
shape curve in the traditional harmonic drive (HD) model. This representation may induce …

Load sharing by tooth pairs in involute toothed harmonic drive with conventional wave generator cam

V Sahoo, R Maiti - Meccanica, 2018 - Springer
A harmonic drive is a two gear epicyclic drive with a gear set of circular ring gear (RG), a flex
rimmed external toothed gear (FG) and an oval cam. FG, with oval cam inside, takes non …

Diaphragm stress analysis and fatigue strength evaluation of the flex-spline, a very thin-walled spur gear used in the strain wave gearing

S Li - Mechanism and Machine Theory, 2016 - Elsevier
This paper deals with diaphragm stress analysis and fatigue strength calculation problems
of the flex-spline, a thin-walled spur gear used in the strain wave gearing (SWG). Firstly, a …

Failure analysis of a flexspline of harmonic gear drive in STC industrial robot: Microstructure and stress distribution

J Zheng, W Yang - IOP Conference Series: Materials Science …, 2018 - iopscience.iop.org
The failure process and failure mechanism of the flexspline in harmonic reducer system after
500h operation were analyzed. The microstructure, element composition and mechanical …

Tooth position and deformation of flexspline assembled with cam in harmonic drive based on force analysis

Y Yao, X Chen, J Xing, L Shi, Y Wang - Chinese Journal of Mechanical …, 2021 - Springer
Deformation of the flexspline is the basis of analyzing tooth trajectory and designing tooth
profile. Considering the tooth influence on the position of equivalent neutral layer, a …

Effect of cam insertion on stresses in harmonic drive in industrial robotic joints

BS Mahanto, V Sahoo, R Maiti - Procedia computer science, 2018 - Elsevier
Stress and strain analysis on flex gear cup of strain wave gearing or harmonic drive due to
insertion of conventional cam SWG and split cam SWG is studied without assembling the …

Modeling and fatigue characteristic analysis of the gear flexspline of a harmonic reducer

H Yang, X Li, J Xu, Y Guo, B Li - Mathematics, 2022 - mdpi.com
The failure of harmonic gear drive is mainly caused by the fatigue fracture of flexible wheels
and the fatigue damage of flexible bearings. In this paper, the stress sensitivity and fatigue …

Analysis of coning and lubrication at flexspline cup and cam interface in conventional harmonic drives

B Routh, R Maiti, AK Ray - Industrial Lubrication and Tribology, 2017 - emerald.com
Purpose In a harmonic drive during assembly of its components like strain wave generating
(SWG) cam, flexspline (FS) and circular spline, a gap is formed between the cam's outer …

Calculating the load distribution and contact stress of the disposable harmonic drive under full load

Y Zhang, G Wang, X Pan, Y Li - Machines, 2022 - mdpi.com
Mechanical equipment that will not be reused is defined as disposable machinery.
Disposable harmonic drives (HDs) are commonly used in the field of aerospace and are …