The goal of the research was to determine the mechanism behind formation of operation parameters for the main mechanisms of a single-bucket excavator. It was established that when the main mechanisms of the excavator (hoisting and thrusting mechanisms) and the mechanism of its operational equipment (all of them being parts of its transmission system) act jointly, the modes of hoisting and thrust mechanisms operation change significantly. Operation parameters of the excavator's main mechanisms (hoisting and thrusting velocity and forces) were evaluated from the positions of its bucket in the work area.
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