Summary
A more exact equivalent column for buckling of helical springs is introduced. It accounts for the pitch angle and possible buckling in two planes. Non-linear compression rigidity, local bending and shear rigidities as well as lower bounds for the mean values of these rigidities are established. The problem of anisotropy of buckling of helical springs is investigated in detail.
Übersicht
Vorgeschlagen wird ein verbessertes Konzept äquivalenter Stäbe für die Knickung von Schraubenfedern. Der Steigungswinkel der Schraubenlinie sowie Knickung in zwei Ebenen werden berücksichtigt. Nichtlineare Drucksteifigkeit, lokale Biege- und Schubsteifigkeiten sowie untere Schranken für Mittelwerte dieser Steifigkeiten werden ermittelt. Das Problem der Anisotropie der Knickung von Schraubenfedern wird eingehend untersucht.
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Krużelecki, J., Życzkowski, M. On the concept of an equivalent column in the stability problem of compressed helical springs. Ing. arch 60, 367–377 (1990). https://doi.org/10.1007/BF00542566
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DOI: https://doi.org/10.1007/BF00542566