ロールネック小判型断面軸の強度評価方法

概要

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There was no technical data on stress concentration of deform cross section such as a roll neck shaft, that has a plane on both sides. Accordingly, we had conventionally estimated maximum stress by using a stress concentration factor data of the inscribed shaft in a plane. However, there was a fear to overestimate stress concentration by this method. Therefore, we have done stress analysis of the roll neck by the three-dimensional F.E.M. (finite element method) and stress measurement by the strain gauges on the roll neck model. In our research, we have developed an experimental equation for estimating a stress concentration factor. As a result, it was cleared up that the stress concentration factor, calculated by the conventional strength evaluation method, was excessive. And, it could be possible to design a rolling mill drives which have better strength balance.
社団法人日本鉄鋼協会の論文
1995-05-01