Experimental and computational investigation of the traction coefficient of a ball traction drive device |
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Authors: | Peiqi Ge Zhenchang Liu |
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Abstract: | Traction drive is a new kind of drive manner in which the power is transmitted by a thin oil film between transmission elements. This paper describes a ball traction drive device. The quasi-dynamics analysis was carried out for the transmission components of the ball traction drive device. The traction coefficients of oils Ub2 and HH-20 were calculated respectively with different rheological models. The elastohydrodynamic lubrication (EHL) film thickness and the traction coefficient between traction drive elements were measured. The results of the calculations are consistent with experiments. |
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Keywords: | Lubrication theory Traction drive Traction coefficient Rheological model |
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