This paper proposes a one-dimensional continuous model of the steel pushing V-belt, which describes the shifting dynamics of the CVT transmission during rapid speed ratio variations. The model investigates the influence of the clearance among the steel segments on the belt dynamics. The plates and pulleys strain motion is neglected, with respect to their rigid body motion, for the evaluation of the friction forces. The power transmission is assured only if an active arc exists where the plates are pressed against each other and where compressive forces arise among the steel segments. Conversely on the idle arc the steel plates are separated and no longitudinal compressive forces exist among the metal segments. The paper shows a significant difference in dynamical behavior between the drive and the driven pulley. Moreover, differences also exist between the pitch radius increasing phases and pitch radius decreasing phases.
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September 2002
Technical Papers
Influence of Clearance Between Plates in Metal Pushing V-Belt Dynamics
G. Carbone,
e-mail: g.carbone@dimeg.poliba.it
G. Carbone
Dipartimento di Ingegneria Meccanica e Gestionale, Politecnico di Bari, V.le Japigia 182, 70126 Bari, Italy
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L. Mangialardi,
e-mail: lmm@dimeg.poliba.it
L. Mangialardi
Dipartimento di Ingegneria Meccanica e Gestionale, Politecnico di Bari, V.le Japigia 182, 70126 Bari, Italy
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G. Mantriota
G. Mantriota
Dipartimento di Ingegneria Meccanica e Gestionale, Politecnico di Bari, V.le Japigia 182, 70126 Bari, Italy
e:mail: mantriota@poliba.it
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G. Carbone
Dipartimento di Ingegneria Meccanica e Gestionale, Politecnico di Bari, V.le Japigia 182, 70126 Bari, Italy
e-mail: g.carbone@dimeg.poliba.it
L. Mangialardi
Dipartimento di Ingegneria Meccanica e Gestionale, Politecnico di Bari, V.le Japigia 182, 70126 Bari, Italy
e-mail: lmm@dimeg.poliba.it
G. Mantriota
e:mail: mantriota@poliba.it
Dipartimento di Ingegneria Meccanica e Gestionale, Politecnico di Bari, V.le Japigia 182, 70126 Bari, Italy
Contributed by the Mechanisms and Robotics Committee for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received December 2000. Associate Editor: M. Raghavan.
J. Mech. Des. Sep 2002, 124(3): 543-557 (15 pages)
Published Online: August 6, 2002
Article history
Received:
December 1, 2000
Online:
August 6, 2002
Citation
Carbone, G., Mangialardi, L., and Mantriota, G. (August 6, 2002). "Influence of Clearance Between Plates in Metal Pushing V-Belt Dynamics ." ASME. J. Mech. Des. September 2002; 124(3): 543–557. https://doi.org/10.1115/1.1486015
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