OS0420 高圧設備における圧力円筒ねじ端の荷重分布 : 設計指針の検討(先端材料システムの力学とメゾスケールモデリング,オーガナイズドセッション)

概要

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One of the design methods for closing the end of a pressure cylinder is to screw down a screw plug on the threaded end of the cylinder. In this case, these is the problem of stress concentration in the threaded end of the pressure cylinder. To solve the problem, it is necessary to know accurately the load distribution on the threaded end of the cylinder. To find the load distribution on the threaded end of the pressure cylinder engaged with the screw plug, the following experiments are carried out. Applying the tensile load between the plug and the pressure cylinder and regarding the situation above as equivalent to the situation in which the internal pressure is applied, the load distribution is measured with the strain gauge. The influence of material of engaged thread on the load distribution on the threaded end of pressure cylinder is presented and an expansion of design manual is discussed.
一般社団法人日本機械学会の論文
2009-07-24