A Parametric Study on the Free Vibration of Noncylindrical Helical Springs

[+] Author and Article Information
V. Yıldırım

Department of Mechanical Engineering, University of Çukurova, 01330 Balcah, Adana, Turkey

J. Appl. Mech 65(1), 157-163 (Mar 01, 1998) (7 pages) doi:10.1115/1.2789019 History: Received September 20, 1996; Revised October 30, 1997; Online October 25, 2007


In the work based on the stiffness method reported in this paper, considering the rotary inertia, the axial and shear deformation terms, the natural frequencies of conical, barrel and hyperboloidal-type helical springs fixed at both ends are calculated. The results are presented in dimensionless graphical forms for the six lowest natural frequencies of all types of noncylindrical helices for a wide range of vibrational parameters which influence the natural frequencies. A discussion about the effects of vibrational parameters on the natural frequencies is also presented.

Copyright © 1998 by The American Society of Mechanical Engineers
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