A New Numerical Force Analysis Method of CBR Reducer with Tooth Modification

Abstract

A new one stage cycloidal reducer called China Bearing Reducer (CBR) which has large transmission ratio, high payload, high torsional stiffness, high tilting stiffness and compact size is designed. In this paper, a new force analysis algorithm is proposed to compute contact force of each tooth with modification. The cycloid drive theory and structure of CBR reducer is introduced firstly. Then the steps of force analysis algorithm are described and a numerical example of CBR25 reducer is analysed based on the algorithm. This method of force computing is more accurate than conventional force computing and can help better designing of CBR reducer.