Abstract
In this study, a 3D model of a two-step sine movable tooth drive is developed in the UG software. The finite element model (FEM) analysis package, ANSYS, is used to calculate the natural frequencies and vibration modes of the drive system. The results show that the first twenty natural frequencies can be classified into five families, including the total system vibration mode, single-element vibration mode, two-element vibration mode, three-element vibration mode, and four-element vibration mode. The effects of the system parameters on the natural frequencies and the vibration modes are investigated. The track amplitude, the movable tooth radius, the radius of the movable tooth rotation, and the number of movable teeth affect the natural frequencies and vibration modes of the drive system.
Highlights
Gear drives are used widely in mechanical engineering
Movable tooth drives have the advantages of light weight, high transmission efficiency, wide range of transmission ratio, and large bearing capacity and they have been used in various fields including renewable energy, aerospace, national defense, precision instruments, oil, mining, and other industrial production
In 2015-2016, an electromagnetic harmonic movable tooth drive system was proposed and the design reduced the integral size of the electromechanical drive system [14, 15]
Summary
A 3D model of a two-step sine movable tooth drive is developed in the UG software. E finite element model (FEM) analysis package, ANSYS, is used to calculate the natural frequencies and vibration modes of the drive system. E results show that the first twenty natural frequencies can be classified into five families, including the total system vibration mode, single-element vibration mode, two-element vibration mode, three-element vibration mode, and four-element vibration mode. E effects of the system parameters on the natural frequencies and the vibration modes are investigated. E track amplitude, the movable tooth radius, the radius of the movable tooth rotation, and the number of movable teeth affect the natural frequencies and vibration modes of the drive system
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