Eventos Anais de eventos
CONEM 2022
XI Congresso Nacional de Engenharia Mecânica - CONEM 2022
BICYCLE WHEEL DESIGN: THE IMPORTANCE OF LATERAL EFFORTS IN DESIGN PROJECTS
Submission Author:
João Luiz Junho Pereira , MG
Co-Authors:
João Luiz Junho Pereira, Guilherme Ferreira Gomes, Sebastião Simoes Cunha Jr, André Chiarello
Presenter: João Luiz Junho Pereira
doi://10.26678/ABCM.CONEM2022.CON22-0480
Abstract
The bicycle is one of the most efficient machines created by man as it transforms almost all the energy generated by them into propulsion. This is mainly due to the wheels. In literature, the analysis of stress in bicycle wheels is almost unanimous considering only radial efforts, that is, disregarding the effects of lateral efforts caused by the way of riding and accelerations outside the saddle produced by professional athletes. This work proposes a design project of a high-performance mountain bike wheel and shows what has been most used in the literature in calculating efforts and stiffness analyzes. The 29-inch mountain bike wheel created through a computer-aided design is analyzed using the finite element method. Still, it shows how the maximum stresses generated in the wheel due to lateral efforts generated by cyclists in accelerations out of the saddle are up to 38.2% higher than when compared to the tension calculated in a highly sudden braking with the cyclist's weight being doubled and the wheel torque being approximately 6 times higher. The location of the maximum stress confirms the main place of failure of the wheels.
Keywords
Bicycle Wheel Design, Mountain Bike, Lateral Efforts, Finite Element Method
