屈折はりの変形

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タイトル別名
  • Deflections of the Bent Cantilever
  • クッセツハリ ノ ヘンケイ

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抄録

The bent cantilevers, namely, the bent leaf springs are assembled in a wire spring relay to push the armature to the core. In designing of this relay, it is necessary to use a spring having a proper force-deflection relationship. First, the deflections of the bent cantilevers are analyzed on the basis of the theory of small deformations, and it has been clarified that the effect of curvature at the bending points on the deflection is negligible. Second, a force-deflection relationship is analyzed, and a correction basing on consideration of the change of the arm length of bending moment is found. The nonlinear characteristic of springs depends upon the bending angles, the bending positions, and the magnitude of the deflection. The theoretical predictions show excellent agreement to the experimental results.

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