Rotina de determinação das solicitações atuantes em uma transmissão de veículo tipo baja

Abstract

The constant development of the automotive industry has encouraged an increase in studies involving the improvement of vehicle performance. SAE (Society of Automotive Engineers) arose from this need for information. SAE support many projects for students, the BAJA is a project that makes engineering students to design and build a prototype off-road vehicle to compete between then. This work idea came from the necessity to accelerate the iterative design processes for the IFPI Baja team, because during the year, several design changes were made, and all the design needed have to be redesigned. This work has the objective of develop a MatLab computational routine to determine the solicitations for an IFPI team BAJA vehicle transmission, using data from the car built in 2019. The routine determines the CVT (Continuously Variable Transmission) solicitations, gears, axles. and keys of a transmission. The algorithm calculates the values of tangential and radial forces in the gears, the reaction forces on each axle, such as shear and crush forces in the keys, displaying the graphs of shear stress and moment in the axles, highlighting their maximum points.