Abstract
This work examines the conditions of tribological efficiency of couplings of TM transmission discs as resource-determining parts and its influence on the operational reliability of machines. The change in hydrodynamic friction, oil consumption, oil carrying capacity by rotating disks in both laminar and turbulent modes of transmission oil flow is substantiated. The nature of oil discharge from the working surface of the disk in laminar and turbulent modes is considered. Based on the system of the Navier-Stokes equation, the change in the effective characteristics of the coupled transmission discs is substantiated: carrying capacity and oil consumption. The nature of oil discharge from the working surface of the transmission disc is considered, taking into account the friction forces and inertia forces. The dependence of the moment of hydrodynamic resistance on a number of parameters, as well as the relative moment of resistance on the Reynolds and Froude criteria, was investigated as the efficiency of the coupled discs of the transmission of transport vehicles. A qualitative graphical dependence of the moment of hydrodynamic resistance of tribocouplers of disks on the angular speed of their rotation is constructed, with the selection of characteristic zones, and a description of the physical picture of the processes in them is given. The well-founded dependence of the moment of hydrodynamic resistance on a number of influencing parameters, as well as the relative moment of resistance in the multiplicative model representation through criterion dimensionless complexes. The set of processes occurring in the tribo-coupling of disks depending on the angular speed of their rotation in five selected zones has been clarified. It is shown that the efficiency and reliability of the TM transmission depends on the total frictional force acting on the tribo-coupling of the discs, load and operating conditions.
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