Simulation of satellite bearings loading in planetary cycloid gear

Abstract

The loading of satellite bearings of planetary cycloid gearbox is a very important characteristic that can determine its operability. The article presents an analysis of changes in the main parameters of gear loading. Initially, the loading analysis of satellite bearings for the starting position was performed, taking into account the manufacturing tolerances. After that, the change in loading during the satellite rotation was considered. The gear was considered with stationary input shaft and rotating pinwheel and satellite. To establish relationships between parameters in the gear, mathematical models of the satellite’s force interaction with the pin-rollers and pins of the output shaft were used. The computer experiment used the MathCad package. The results of the analysis showed how the forces on the bearing change with increasing clearances at a constant torque on the output shaft. It was found that the gear operation is accompanied by a continuous change in the forces acting on the bearing.