Abstract
The research analysis of dynamics of technological machine work processes has been carried out. The aim of the work is improvement of work processes of the grapple slewing gear in forest transport machines by justification of energy saving hydraulic drive parameters. It enables to reduce dynamic loading and power consumption of the carried-out technological process. The computer program including the design data of new power-saving hydraulic drive of the grapple slewing gear affecting the efficiency of working processes is developed on the basis of a mathematical model of work process. As a result of computer experiments it is established that the energy-saving hydraulic drive with optimum parameters reduces the maximum pressure of actuating fluid during column braking. The pressure becomes equal to 3MPa. Recovery energy when turning the column is 25% of the spent energy. Amplitude of load swinging with a frequency of 0.8β1.5 Hz with the sharp change of the column movement mode decreases in 2β3 times.
Published Version
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