3232 リベット締結における板の反りに関する検討(J07-1 締結・接合の力学とプロセス(1),J07 締結・接合の力学とプロセス)

概要

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This paper aims to clarify riveting conditions for achieving both small plate's warp and high joint strength. First, the spreading of the rivet axis, the deformation around rivet hole and the warp for plates joined using several kinds of punches are investigated, and then the joint strength is examined. Next, one process which decreases riveting force to reduce plate's warp, and the other process which strengthens by pressing a region around rivet hole to improve joint strength are tested. From the results, it is effective for reducing plate's warp to decrease riveting force, but if the spreading of the rivet axis is not enough, the joint strength is not improved. And it is effective for improving of joint strength to strengthen a region around rivet hole in plate.
2006-09-15