Hydraulic Training Online

Hydraulic Training

 

The science behind modern hydraulics dates back 2000 years, when water was the only liquid medium available for experimentation. There were many scientists and, mathematicians whose inventions led to the stage-by-stage development of modern hydraulics.

The hydraulic pump is the heart of a hydraulic circuit. The main function of it is to pump the oil from its suction side to the delivery side. The system will be pressurized when the flow from the pump outlet meets with a resistance. The pumping mechanisms within a pump can be gear, vane, and piston in the positive displacement category. The pump, driven by a prime mover like an electrical motor or a diesel engine converts the mechanical energy into hydraulic energy.

Hydraulic motors of various physical configurations have common design features; the drive elements inside a motor are subjected to a pressure differential, the ability to withstand a pressure force, the timing at which the pressure fluid is applied to create a continuous rotation without any ripples, and the mechanical linkages between the drive elements and the output shaft.

In fluid power systems, devices which convert the hydraulic energy input into a linear or rotary mechanical motion with an output force proportional to the input energy, are called actuators. A linear actuator produces straight line motion, whereas a rotary actuator produces circular motion.

Functionally, a hydraulic cylinder converts hydraulic, input energy into linear mechanical energy. Since the force is transmitted by conversion of energy, there must be a direction for the moving elements which transmits the force.  A hydraulic cylinder functions in such a way that uni-directional movement, bi-directional movement, a force multiplication or a distance multiplication are achieved either by a single or multiple cylinders in an application.

Hydraulic pumps, motors and cylinders are covered in EIT’s 18 month Advanced Diploma of Mechanical Engineering Technology program. You will learn ‘how’ hydraulic components work which leads to an understanding of how and why it fails.

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