The Energetic Analysis of Hydraulic Actuators Used for Small Mobile Cranes
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The paper presents applied usual solutions to the action of light self-propelled cranes, up to 6 tf. It is accomplished an analysis of usual solutions of action and more over of comanding the equipment. It is analized the expressions of global efficacity of the action system for three types of operations( commands): systems of round open actuation with proportional distributors( resistive adjustment of the flow), system of round open actuation with regular LOAD-SENSING-LS and the system of round open actuation with regular LOAD-SENSING-LUDV. It is determined the expressions for the actuations and efficacity established criteria selection for of choosing the best actuation type of a certain adapted type of equipment.
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