lubricant compositions with water-alcohol base for closed friction units of road construction machines

Introduction. Preliminary conducted studies have shown that water-alcohol based lubricants have a high viscosity index (more than 150 units), low corrosion influence and low pour point (below 56 ° C), which is an advantage over traditional transmission oils. This is especially important for enclosed friction units of road construction machines, which require reliable and long-term lubrication to prevent wear and prolong the service life of the equipment. These compositions also consist of environmentally friendly components, that makes them suitable for use in operating conditions with strict environmental requirements.

Materials and methods. The optimal concentration range of saturated monatomic alcohols in water has been found. This range provides maximum antifriction and anti-wear properties with the effect of maximum stabilization of the water structure. A possible way of lubricating action of water-alcohol solutions with the formation of modified layers with extreme pressure properties on the friction surface has been proposed.

Results. The saturated monatomic alcohol has been found experimentally, the solution of which, at a certain ratio with water, has high lubricating properties. The algorithm of the lubricating action of double and triple systems has been considered, and the effect of maximum stabilization of the water structure has been determined, which causes a change in the volumetric and surface-active properties of the composition.

Conclusion. The study refers to the scientific research devoted to the urgent problem of replacing mineral oils with synthetic fluids by developing new compositions of water-containing lubricants with improved antifriction and anti-wear properties, the problem solution is important as it results in increasing the wear resistance of friction units in gearboxes, worm drives, which are part of the transmission of construction and road machines, motor vehicles and other transport and technological complexes.

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