Abstract
Regularities of wear of mating of internal combustion engines operated in different conditions are discussed and analyzed. Regularities of wear of part mating in the process of technical operation of a motor vehicle are obtained. The correlation coefficients and the correspondence of the obtained regularities of wear to the experimental data have been determined. According to the research results, it was determined that during intercity transportation compared to transportation in settlements, the wear rate was lower by 47.7 % for cylinder liners, by 45.8 % for piston rings, by 40.12 % for connecting rod bearings and by 39.2 % for crankshaft necks. The research results can be applied when calculating connection resources in assembly units of machines.
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