高速機構における各種ばねのサージ波の動作特性とばね応力とに与える影響度

概要

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The operating characteristics and stress of a spring should be understood in order to design an optimum spring mechanism. This paper illustrates the calculation method of stress with a simple model and compares the calculation and test results on the operating mechanisms of SF_6 circuit breakers in order to prove that the stress vibrates with the surge time periods, and that the stress amplitude, and consequently the mechanical life of the spring, depends on the surge intensity which dominates dynamic operating characteristics. Calculations of the surge intensity of various kinds of springs are given. The stress amplitude can easily be obtained using the surge intensity even at the initial stage of design. A mechanism with a helical spring should be designed, taking account of the surge intensity because of its large value. Surge intensity is useful for optimum design in arrangement and selection of springs.
一般社団法人日本機械学会の論文
1993-02-25