The issues on the influence of the working liquid temperature on the dynamics of the hydraulic drive of the boom raising with the load and swivel base are considered in the article. According to the results of the author's mathematical calculations, the greatest influence of the working liquid temperature is revealed in the initial period of the boom raising. The working liquid temperature influence on the movement of the rotary base is revealed in the lesser extent, due to the large local resistance in the form of a throttle.
hydraulic drive, dynamic load, viscosity, working liquid, logger
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