ベルト挟持搬送機構に関する研究 : 二重巻きベルトの張力分布の理論解析(機械要素,潤滑,工作,生産管理など)

概要

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Euler's formula is well known as the fundamental theory of flat belt transmission, which gives the tension distribution of a single belt winding on a pulley. In a sandwich-belt conveyor system, however, there is at least one pulley on which two belts wind, and the conventional Euler's formula can not be applied in so called twofold winding. In this paper, a theoretical analysis of twofold winding of belts is described and the formulae determining the tension distributions in twofold winding are derived. The theory is verified by using FEM calculations through several examples, and good coincidences are obtained between the analytical and FEM results. It is found that the tension distribution of belts in twofold winding has to be considered carefully depending on the relative sliding between two belts and the belt tensions change even in the adhesion area between two belts.
2005-10-25