Abstract
This article studies the causes of the time-varying stiffness of harmonic drive gear and the number of meshing teeth and the meshing length under different torques. Multi-pair tooth meshing charact...
Highlights
Since the advantages of high transmission accuracy and compactness, harmonic gear has been widely used in high-precision equipment such as the robots
Where Kn is meshing stiffness between the flexible gear and the rigid gear. Both the research and experimental results show that the torsional stiffness of harmonic gear reducer changes with the load torque
When the load of the harmonic gear drive changes, tooth deformation leads to a change in the number of teeth pairs in the meshing zone, and the output torsional stiffness changes
Summary
Since the advantages of high transmission accuracy and compactness, harmonic gear has been widely used in high-precision equipment such as the robots. Both the research and experimental results show that the torsional stiffness of harmonic gear reducer changes with the load torque.
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