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성슬기(Sulki Seong),김완구(Wangoo Kim),배대성(Daesung Bae),이승표(Seungpyo Lee) 대한기계학회 2014 대한기계학회 춘추학술대회 Vol.2014 No.11
Wheel bearing is one of the important parts of the car. Various studies have been conducted long time. However, prediction of the wheel bearing life has been used expression computation method using a theoretical formula between the raceway and ball. Such an approach, have assumed to be static load. Nevertheless wheel bearing is rotating body. It is not possible to consider the dynamics characteristics. This paper proposes life prediction method for wheel bearing considering dynamic characteristic. All of the wheel bearing bodies are consist of FE(Finite Element) body except bearing balls. Contact is defined the between the raceway and ball. It is possible to determine the load to the balls with the contact algorithm. And it can be predict the life of the wheel bearing through the load applied to the ball. Studied wheel bearing life prediction method is compare with the existing formula and static analysis result of the DAFUL(structural dynamics commercial software). Also, make up a scenario the force applied to the wheel bearing and predicts the life.