SCARAGGI, Michele ;DE NOVELLIS, Leonardo ;CARBONE, Giuseppe .
EHL-Squeeze in High Loaded Contacts: The Case of Chain CVT Transmissions.
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 56, n.4, p. 253-260, october 2017.
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/sl/article/ehl-squeeze-in-high-loaded-contacts-the-case-of-chain-cvt-transmissions/>. Date accessed: 12 feb. 2026.
doi:http://dx.doi.org/.
Scaraggi, M., De Novellis, L., & Carbone, G.
(2010).
EHL-Squeeze in High Loaded Contacts: The Case of Chain CVT Transmissions.
Strojniški vestnik - Journal of Mechanical Engineering, 56(4), 253-260.
doi:http://dx.doi.org/
@article{.,
author = {Michele Scaraggi and Leonardo De Novellis and Giuseppe Carbone},
title = {EHL-Squeeze in High Loaded Contacts: The Case of Chain CVT Transmissions},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {56},
number = {4},
year = {2010},
keywords = {continuously variable transmission; elasto-hydrodymaic lubrication; squeeze motion; multibody; },
abstract = {We analyze the lubrication conditions at the pin-pulley interface in a Gear Chain Industrial chain CVT. In particular, we focus on the squeeze of oil which occurs as soon as the pin enters the pulley groove. The duration time to complete the squeeze process compared with the running time the pin takes to cover the entire arc of contact is fundamental to determine what actually is the lubrication regime at the interface. Taking into account that for normal CVT operations the time the pin spends in contact with the pulley groove is of about 0.01 s (traveling time), we show that rms surface roughness less than 0.1 μm and squeezing load of about 1kN acting on the pin, corresponding to values adopted in such systems, guarantee a fully lubricated EHL regime at the interface. We also show that during low-velocity CVT operations, the lubrication regime at the interface is determined by a succession of hydrodynamic and mixed lubrication stages in an order strictly related to the squeezing load history.},
issn = {0039-2480}, pages = {253-260}, doi = {},
url = {https://www.sv-jme.eu/sl/article/ehl-squeeze-in-high-loaded-contacts-the-case-of-chain-cvt-transmissions/}
}
Scaraggi, M.,De Novellis, L.,Carbone, G.
2010 October 56. EHL-Squeeze in High Loaded Contacts: The Case of Chain CVT Transmissions. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 56:4
%A Scaraggi, Michele
%A De Novellis, Leonardo
%A Carbone, Giuseppe
%D 2010
%T EHL-Squeeze in High Loaded Contacts: The Case of Chain CVT Transmissions
%B 2010
%9 continuously variable transmission; elasto-hydrodymaic lubrication; squeeze motion; multibody;
%! EHL-Squeeze in High Loaded Contacts: The Case of Chain CVT Transmissions
%K continuously variable transmission; elasto-hydrodymaic lubrication; squeeze motion; multibody;
%X We analyze the lubrication conditions at the pin-pulley interface in a Gear Chain Industrial chain CVT. In particular, we focus on the squeeze of oil which occurs as soon as the pin enters the pulley groove. The duration time to complete the squeeze process compared with the running time the pin takes to cover the entire arc of contact is fundamental to determine what actually is the lubrication regime at the interface. Taking into account that for normal CVT operations the time the pin spends in contact with the pulley groove is of about 0.01 s (traveling time), we show that rms surface roughness less than 0.1 μm and squeezing load of about 1kN acting on the pin, corresponding to values adopted in such systems, guarantee a fully lubricated EHL regime at the interface. We also show that during low-velocity CVT operations, the lubrication regime at the interface is determined by a succession of hydrodynamic and mixed lubrication stages in an order strictly related to the squeezing load history.
%U https://www.sv-jme.eu/sl/article/ehl-squeeze-in-high-loaded-contacts-the-case-of-chain-cvt-transmissions/
%0 Journal Article
%R
%& 253
%P 8
%J Strojniški vestnik - Journal of Mechanical Engineering
%V 56
%N 4
%@ 0039-2480
%8 2017-10-24
%7 2017-10-24
Scaraggi, Michele, Leonardo De Novellis, & Giuseppe Carbone.
"EHL-Squeeze in High Loaded Contacts: The Case of Chain CVT Transmissions." Strojniški vestnik - Journal of Mechanical Engineering [Online], 56.4 (2010): 253-260. Web. 12 Feb. 2026
TY - JOUR
AU - Scaraggi, Michele
AU - De Novellis, Leonardo
AU - Carbone, Giuseppe
PY - 2010
TI - EHL-Squeeze in High Loaded Contacts: The Case of Chain CVT Transmissions
JF - Strojniški vestnik - Journal of Mechanical Engineering
DO -
KW - continuously variable transmission; elasto-hydrodymaic lubrication; squeeze motion; multibody;
N2 - We analyze the lubrication conditions at the pin-pulley interface in a Gear Chain Industrial chain CVT. In particular, we focus on the squeeze of oil which occurs as soon as the pin enters the pulley groove. The duration time to complete the squeeze process compared with the running time the pin takes to cover the entire arc of contact is fundamental to determine what actually is the lubrication regime at the interface. Taking into account that for normal CVT operations the time the pin spends in contact with the pulley groove is of about 0.01 s (traveling time), we show that rms surface roughness less than 0.1 μm and squeezing load of about 1kN acting on the pin, corresponding to values adopted in such systems, guarantee a fully lubricated EHL regime at the interface. We also show that during low-velocity CVT operations, the lubrication regime at the interface is determined by a succession of hydrodynamic and mixed lubrication stages in an order strictly related to the squeezing load history.
UR - https://www.sv-jme.eu/sl/article/ehl-squeeze-in-high-loaded-contacts-the-case-of-chain-cvt-transmissions/
@article{{}{.},
author = {Scaraggi, M., De Novellis, L., Carbone, G.},
title = {EHL-Squeeze in High Loaded Contacts: The Case of Chain CVT Transmissions},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {56},
number = {4},
year = {2010},
doi = {},
url = {https://www.sv-jme.eu/sl/article/ehl-squeeze-in-high-loaded-contacts-the-case-of-chain-cvt-transmissions/}
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TY - JOUR
AU - Scaraggi, Michele
AU - De Novellis, Leonardo
AU - Carbone, Giuseppe
PY - 2017/10/24
TI - EHL-Squeeze in High Loaded Contacts: The Case of Chain CVT Transmissions
JF - Strojniški vestnik - Journal of Mechanical Engineering; Vol 56, No 4 (2010): Strojniški vestnik - Journal of Mechanical Engineering
DO -
KW - continuously variable transmission, elasto-hydrodymaic lubrication, squeeze motion, multibody,
N2 - We analyze the lubrication conditions at the pin-pulley interface in a Gear Chain Industrial chain CVT. In particular, we focus on the squeeze of oil which occurs as soon as the pin enters the pulley groove. The duration time to complete the squeeze process compared with the running time the pin takes to cover the entire arc of contact is fundamental to determine what actually is the lubrication regime at the interface. Taking into account that for normal CVT operations the time the pin spends in contact with the pulley groove is of about 0.01 s (traveling time), we show that rms surface roughness less than 0.1 μm and squeezing load of about 1kN acting on the pin, corresponding to values adopted in such systems, guarantee a fully lubricated EHL regime at the interface. We also show that during low-velocity CVT operations, the lubrication regime at the interface is determined by a succession of hydrodynamic and mixed lubrication stages in an order strictly related to the squeezing load history.
UR - https://www.sv-jme.eu/sl/article/ehl-squeeze-in-high-loaded-contacts-the-case-of-chain-cvt-transmissions/
Scaraggi, Michele, De Novellis, Leonardo, AND Carbone, Giuseppe.
"EHL-Squeeze in High Loaded Contacts: The Case of Chain CVT Transmissions" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 56 Number 4 (24 October 2017)
