액슬하우징의 온간 후 판단조에서 모서리 박육 방지를 위한 장치의 개발
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In this paper, a novel warm plate forging process of an axle housing is presented. A die system is proposed to reduce the inherent thickness reduction along the bent comer of the product which deteriorates structural strength and fatigue life in its service. The mechanism of the die system is given and its effect on comer thickness of the product is revealed by two dimensional finite element analysis under plain strain assumption. Three-dimensional finite element solutions are also given to verify validity of the two dimensional approach. The die system has been successfully applied to manufacturing the axle housings of medium or large trucks.