This article discusses the experiments and modelling carried out on a V-belt continuously variable transmission (CVT) of the type that is used in mopeds. Our aim was to characterize the forces which determine how the system functions. A test bench was designed for them to be determined experimentally and a series of tests which cover the variable conditions of speed, torque, transmission ratio and tension of a CVT are carried out. Estimates of the principal existing models are compared and an empirical model for assessing these forces is discussed.

1.
Amijima
S.
,
Fujii
T.
,
Matuoka
H.
, and
Ikeda
E.
,
1992
, “
Study on Axial Force and Its Distribution of a New CVT Belt for Cars
,”
Int. J. of Vehicle Design
, Vol.
12
, No.
3
, pp.
324
335
.
2.
Bents, D. J., 1981, “Axial Force and Efficiency Tests of Fixed Center Variable Speed Belt Drive,” SAE Paper No. 810103 for Meeting Feb 23-27 1981,
3.
Box, G. E. P., Hunter, W. G., and Hunter, J. S., 1978, Statistics for Experimenters, Wiley, New York.
4.
Ferrando, F., Mercader, J., and Riba, C., 1993, “Design of a Centrifugal Regulator of Continuously Variable V-belt Transmission for Mopeds,” 5th Graz Two Weeler Symposium, Apr. 22-23, pp. 222–225.
5.
Gerbert, B. G., 1972, “Force and Slip Behavior in V-belt Drives,” Acta Polytechnica Scandinavica, Mech. Eng. Series, No. 67.
6.
Gerbert, B. G., 1980, “Some Notes on V-Belt Drives,” ASME 80-C2/DET-91 for Conference of Aug 18-21, 1980.
7.
Mal’tsev
V. F.
,
1974
, “
Design of Automatic Continously-Variable Drives
,”
Russian Engineering Journal
, Vol.
54
, No.
8
, pp.
19
22
.
8.
Miloiu
G.
,
1969
, “
Die Druckkraft in stufenlosen Getrieben II. Riemen-, Ketten-und harmonishe Getriebe
,”
Antriebstechnik
, Vol.
8
, No.
12
, pp.
450
459
.
9.
Niemmann, G., and Winter, H., 1983, Maschinen-elemente, Vol. 3, Springer-Verlag, Berlin.
10.
Piock, W. F., Schopf, F. J., Killman, G. R., 1991, “Aspects of CVT-Development for Two-Wheelers,” 4rt Graz Two-Wheeler Symposium, Apr 8-9 1991, pp. 217–226.
11.
Worley
W. S.
,
1955
, “
Designing Adjustable Speed V-belt Drives for Farm Implements
,”
SAE Trans.
, Vol.
63
, pp.
321
333
.
This content is only available via PDF.
You do not currently have access to this content.