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A Method Used to Determin the Power Necessary for Hydraulic Excavators
(Universitatea "Dunărea de Jos" din Galați, 2010)
This paper presents a method of verification in the design phase, the
mechanical power necessary involvement hydraulic pumps for excavators
with bucket reverse.Because, in the design phase the digging forces are
not ...
Optimized Method for Synthesis of a Mechanism for Controlling a Hydraulic Operated Machine
(Universitatea "Dunărea de Jos" din Galați, 2011)
This paper presents how can be design a mechanism capable of self
command. It is intended as a high uniformity of the way of action, so that
external control is as safe and simple. Are taken into account the concrete
conditions ...
A Combined Method for Dimensioning Mechanisms Operated with Hydraulic Cylinders
(Universitatea "Dunărea de Jos" din Galați, 2011)
This paper presents a method of synthesis of a mechanism used in ship
steering systems. The case examines the use of force as elements of
hydraulic differential cylinders articulated at both ends. Sizing the
difficulty ...
The Power Balance During Cushioning for Hydraulic Cylinders
(Universitatea "Dunărea de Jos" din Galați, 2011)
Cylinder hydraulic brake systems to stop the stroke are built with
moving parts to reduce the impact intensity. For correct sizing of hydraulic
cylinder cushioning system it is necessary to know how components
participate ...
The Possibilities of Increasing Efficiency and Confidence of the Calculations for Hydraulic Cylinders Provided with Cushioning System at System at end of Race
(Universitatea "Dunărea de Jos" din Galați, 2012)
Working with specialized software, fluid flow analysis has the disadvantage
of being time-consuming. Also, modern computers are needed. This paper
presents a way of combining simulation with specialized programs of ...
A Method for Determining the Pressure Loss Coefficients
(Universitatea "Dunărea de Jos" din Galați, 2012)
For braking elements of mechanisms operated by hydraulic cylinders is
used hydraulic resistance which controls the working fluid. Determination
of these systems is difficult, especially in the design phase. This ...
On the Influence of temperature the Cushioning Ability of the Hydraulic Cylinders
(Universitatea "Dunărea de Jos" din Galați, 2015)
This paper presents some aspects related to the way the cushioning capacity of hydraulic cylinder is affected by the temperature variations of the hydraulic fluid. We have analysed the case of the hydraulic cylinders with ...
Regarding the Efficiency of the Decelaration Through Impedance Coiling of the Hydraulic Cylinders
(Universitatea "Dunarea de Jos" din Galați, 2004)
The paper present a point of view sustained by calculations about the
efficiency of the deceleration system by impedance coiling of the hydraulic
cylinders. It is shown that the simple presentation of the impedance ...
The Inclusion in the Calculation Schemws for Numerical Simulation of the Pressures Drop on Inlet and Outlet of Hydraulic circuits
(Universitatea "Dunărea de Jos" din Galați, 2014)
Numerical simulation of the operation of hydraulic systems acting on
hydraulic cylinderst is based on differential equations that describe the
equilibrium of forces and the continuity of the flow rate. To simplify ...