TWIST BUCKLING OF COIL SPRINGS OF VARIOUS WIRE CROSS SECTIONS

摘要

The problem of tensional buckling of springs with built-in end conditions is investigated and a theoretical buckling load and buckling shape of the spring are found.nThe buckling condition is then expressed in terms of a critical windup angle for springs of different wire cross sections. Both circular and rectangular cross sections are investigated.nSome test results are given which tend to substantiate both the theoretical buckling load above and the theory of dependence of buckling on the b/h ratio for rectangular cross sections.