Abstract
The metal pushing v-belt of a CVT equipped with a torque converter receives a sudden thrust load from the pulley when the CVT starts operation, and is required to begin transmitting torque from a stationary state with minimal time lag. In this study, the stress history of the are around the element neck under transient driving condition was clarified using new structural analysis technology to simultaneously stimulate the dynamic behavior of the metal pushing V-belt and the element stresses. These results suggest that the compression stress generated by the load on the V surface is a fundamental component of element stress. A comparison of simulation results with test results for the load distribution on the element, conducted to confirm the accuracy of the simulation, demonstrated good qualitative correlation. this paper also discusses the method used to evaluate dynamic strength in response to transient stress.
Keywords: Simulation, Computer aided engineering, FEM/CVT, Metal pushing V-belt stress