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TECHNICAL BRIEFS

Design of a Screw Jack Mechanism to Avoid Self-excited Vibrations

[+] Author and Article Information
Paolo Gallina

DIMEG-Dipartimento di Innovazione Meccanica e Gestionale, Università di Padova, Via Venezia 1, 35131 Padova, Italy e-mail: paolo.gallina@unipd.it

Marco Giovagnoni

DIEGM-Dipartimento di Ingegneria Elettrica, Gestionale e Meccanica, Università di Udine, Via delle Scenze, 208 33100 Udine, Italy e-mail: giovagnoni@uniud.it

J. Dyn. Sys., Meas., Control 124(3), 477-480 (Jul 23, 2002) (4 pages) doi:10.1115/1.1484395 History: Received December 01, 2000; Online July 23, 2002
Copyright © 2002 by ASME
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References

Olofsson,  U., and Ekerfors,  L., 1991, “Friction-Induced Noise in Screw-Nut Transmissions,” Wear, 148(1), pp. 25–37.
Harrison,  A., 1998, “Overland Conveyors: Effect of Length, Temperature and Friction Model on Conveyor Tension,” Bulk Solids Handling, 18(1), pp. 65–681.
Harnoy,  A., and Friedland,  B., 1994, “Dynamic Friction Model of Lubricated Surfaces for Precise Motion Control,” Tribol. Trans., 37(3), pp. 608–614.
Gutkowski, L. J., and Kinzel, G. L., 1992, “Coulomb Friction Model for Spherical Joints,” ASME, Proceedings, 22nd Biennial Mechanisms Conference, New York, NY, pp. 243–250.
Dupont,  P., and Yamajako,  S., 1997, “Stability of Frictional Contact in Constrained Rigid-body Dynamics,” IEEE Trans. Rob. Autom., 13(2), pp. 230–236.
Dupont, P., 1992, “The Effect of Coulomb Friction on the Existence and Uniqueness of Forward Dynamics Problem,” Proc. of the IEEE Inter. Conf. On Robotics and Automation, France, pp. 1442–1447.

Figures

Grahic Jump Location
Two D.o.F. simplified scheme of the model. u is the screw vertical position; uf the nut vertical position; ϕ the screw angular position; ϕf the nut angular position
Grahic Jump Location
Forces exerted by the screw on the nut
Grahic Jump Location
Jeq/Jϕ versus log[ωu2 /ωϕ2]

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