MODAL ANALYSIS OF CYCLOIDAL SPEED REDUCER

Abstract

Cycloidal speed reducer is an extremely compact and stiff device. In laboratory conditions, it is known as a mechanism that produces very low noise and vibrations. However, due to elastic deformations of cycloidal speed reducer, errors because of inadequate production and installation, and due to nonuniform load distribution, there are internal dynamic forces that increase the level of noise and vibrations. It is therefore very important to define natural frequencies and proper modes of oscillations to avoid the occurrence of resonance. In this paper are defined natural frequencies of cycloidal speed reducer housing as well as proper modes of oscillations, using the software Autodesk Inventor.