転造過程に関する基礎的研究 : 第4報,母材部の変形特性とゆがみの生成挙動

概要

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In the process of components-rolling, all of the die penetration is not devoted to forming of the surface feature, some of which is absorbed by the central core to distort the cross-sectional profile of the workpiece. In this paper, the deformation and characteristics of the core part of a workpiece are investigated. By means of changing the ratio of the core size to the feature, the bulk effect of the core on the process was clarified. The distribution of radial displacement rate all over a workpiece was observed and the influence of it on a rolling process was examined. While the theoretical result, taking in the change of the distribution patterns of radial displacement rate during rolling, is in good agreement with the experimental one, it is found that a simpler pattern of distribution can be useful in quasi-steady rolling process.
一般社団法人日本機械学会の論文
1986-06-25