転動と摺動作用を組み合わせたローラバニシング加工法:― 傾斜ローラバニシング加工法の提案と基礎的な加工特性 ―

概要

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In this paper, we propose a novel roller burnishing method, which achieves rolling and sliding effects simultaneously at a burnishing point to accomplish a finish of superior surface integrity. The circumferential surface of the workpiece, which is rotated by the main spindle of the lathe, was targeted. The sliding effect is obtained by changing the rotation axis of the burnishing roller with respect to the workpiece. The principle of this method was examined theoretically, and the processing features of the method were evaluated experimentally to compare it with conventional methods. The experiments confirm that the sliding effect can be obtained using the developed novel method. Moreover, the processing features of this method were verified by evaluating the surface roughness, surface profile, and microstructure at the layer of burnished surfaces. In particular, the superiority of this method to conventional methods was observed from the point of view of burnishing the minute unevenness on preliminary surfaces.