This paper deals with the experimental analysis of link tension distribution in a chain type continuously variable transmission. We have developed an ad hoc measuring device constituted by a data-logger that is fixed at the chain and moves with it. The data-logger records the strain data from a strain gauge and stores them in a flash memory card. We have been able to measure the tensile force acting on a single chain link in a wide range of working conditions. Our measurements have shown that an almost perfect linearity (which has a clear theoretical explanation) exists between the clamping force and the link tension distribution. We have also found that the link tension distribution is less sensitive to the torque load, which mainly influences the local slip between the chain and the pulley and hence the time required by the link to cover the entire contact arc. We have also carried out a comparison between theoretical predictions and experimental data. We have found a relatively good agreement that confirms the validity of the theoretical approach.
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e-mail: l.denovellis@poliba.it
e-mail: g.carbone@poliba.it
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December 2010
Research Papers
Experimental Investigation of Chain Link Forces in Continuously Variable Transmissions
L. De Novellis,
L. De Novellis
Dipartimento di Ingegneria Meccanica e Gestionale,
e-mail: l.denovellis@poliba.it
Politecnico di Bari
, v.le Japigia 182, 70126 Bari, Italy
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G. Carbone
G. Carbone
Dipartimento di Ingegneria Meccanica e Gestionale,
e-mail: g.carbone@poliba.it
Politecnico di Bari
, v.le Japigia 182, 70126 Bari, Italy
Search for other works by this author on:
L. De Novellis
Dipartimento di Ingegneria Meccanica e Gestionale,
Politecnico di Bari
, v.le Japigia 182, 70126 Bari, Italye-mail: l.denovellis@poliba.it
G. Carbone
Dipartimento di Ingegneria Meccanica e Gestionale,
Politecnico di Bari
, v.le Japigia 182, 70126 Bari, Italye-mail: g.carbone@poliba.it
J. Mech. Des. Dec 2010, 132(12): 121004 (9 pages)
Published Online: November 23, 2010
Article history
Received:
March 25, 2010
Revised:
October 6, 2010
Online:
November 23, 2010
Published:
November 23, 2010
Citation
De Novellis, L., and Carbone, G. (November 23, 2010). "Experimental Investigation of Chain Link Forces in Continuously Variable Transmissions." ASME. J. Mech. Des. December 2010; 132(12): 121004. https://doi.org/10.1115/1.4002764
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