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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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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