C形定荷重ばね特性の理論解析 : ガイド付き荷重端の場合

概要

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A C- shaped constant force spring is made of pre stressed material and offers the advantage of constant tension and is being made ill various sizes, suitable for a variety of applications (for example, extension spring, motor brush holder, power feed, retracting and restoring mechanism). Essentially this spring consists of a coil of fiat spring material which has been given a heavy forming operation so that when unstressed it takes the form of a tightly wound spiral This spiral is placed on a drum. When a load is applied, the spiral uncoils. The load is practically independent of deflection. In this report, the mechanism of constant force and states of deformation are analyzed by using a large deformation theory. Moreover, an experiment is carried out to confirm the applicability of the proposed theory. The experimental results agree well with the theoretical estimations.
社団法人日本機械学会の論文
1999-07-25