Browse Publications Technical Papers 2013-01-2894
2013-11-27

Definition of Slippage Parameters of Friction Clutches for Different Installation Versions in Tractor Gearboxes 2013-01-2894

The aim of the work is to present the methodology for calculating the slippage parameters of friction clutches (the work and the time of slippage) for different installation options of such clutches in tractor gearboxes, and of the tractor acceleration time at different degrees of gear overlap. The authors suggest a universal diagram of tractor acceleration at gear shifting at different degrees of gear overlap in the gearbox, which is true for any interrelation of the times of gearing and slippage of the friction clutch. Based on the mathematical model of the tractor acceleration, suggested by the authors, a methodology was developed for calculating the slippage parameters of friction clutches (the work and the time of slippage) for a variety of installation options of such clutches in the gearbox during gear shifting with varying overlap degrees and the acceleration time of the tractor unit at each gear. The developed universal mathematical model allows defining - at the design stage of gearboxes with friction clutches - the time and work of their slippage, as well as the tractor acceleration time, making it possible to create reliable designs of friction clutches and gearboxes based thereon.

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