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Keyword: Self-Loosening
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Proceedings Papers

Proc. ASME. PVP2011, Volume 2: Computer Technology and Bolted Joints, 369-380, July 17–21, 2011
Paper No: PVP2011-57385
... This study develops an analytical formula for determining the minimum initial preload required to prevent the self-loosening of preloaded countersunk fasteners that are subjected to cyclic transverse loading. The formula is based on mathematical modeling of the self-loosening behavior of the...
Topics: Fasteners
Proceedings Papers

Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 2, 361-371, July 18–22, 2010
Paper No: PVP2010-25069
... A nonlinear mathematical model is developed for studying the self-loosening behavior of preloaded countersunk threaded fasteners that are subjected to cyclic transverse loads. This paper investigates the effect of thread and bearing friction coefficients on the rate of loosening. Torque...
Proceedings Papers

Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 2, 415-425, July 18–22, 2010
Paper No: PVP2010-25816
... In the paper, a novel criterion is developed for preventing the self-loosening of preloaded threaded fasteners under cyclic transverse loading. For a known cyclic excitation, the system parameters are used in the formulation of a closed form solution for the minimum fastener preload required for...
Topics: Fasteners
Proceedings Papers

Proc. ASME. PVP2006-ICPVT-11, Volume 2: Computer Technology, 147-160, July 23–27, 2006
Paper No: PVP2006-ICPVT-11-93175
..., especially in critical applications. 21 07 2008 Bolted joints Threaded fasteners bearing friction Torque-tension relationship Thread friction Torque Pitch Self-loosening must use tightening processes that would constantly achieve the desired clamp load and minimize its scatter. To...