5306 アルミボトルの開栓性について(J17-1 解析・設計の高度化・最適化(1)(解析の高度化),J17 解析・設計の高度化・最適化:解析の高度化)

概要

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This paper has examined opening characteristics of an aluminum bottle experimentally. When a cap of bottle is rotated and opened by the fingers and palm, it is found the opening torque of cap shows two peaks during the opening process of cap ; the 1st peak of torque occurs when the cap initiates the rotation by overcoming the frictional resistance of screw, and the second peak of torque appears when the first bridge initiates the fracture. It has also been clear that the internal pressure influences the 1st torque much and the friction of skirt parts contributes about 20N\cm to the 1st peak. To improve the opening characteristics of cap for the aluminum bottle, it is turned out that the reduction of the 1st and 2nd torque of screw opening process is effective.
社団法人日本機械学会の論文
2006-09-15