Fatigue Strength of an Eye-end with Press Fit

概要

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Fatigue tests were carried out on the eye-end formed specimens with the press-fitted bushes. The case is usually seen in many machine parts, for example, the roller link of a roller chain. As the results of the experiments, it is cleared that the fatigue strength is increased by the action of the bush press-fitted, and the increasing rate of the fatigue strength becomes larger as the pressure at the press-fitted surface increases. Also theoretical consideration was made on the fluctuating range of the load at the eye-end, considering the reduction of the pressure at the press-fitted surface due to the external load applied with pin inserted in the bush. From the result of the consideration, the increase of the fatigue strength due to press fit was explained numerically.
社団法人日本材料学会の論文