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Automatic hydraulic pumps

Have you ever wondered how the different types of hydraulic pumps transmit so much power to operate a wide range of equipment, such as jacks or hydraulic motors? Well, it also depends on how they are operated. Although there are conventional hydraulic pumps, automatic pumps are becoming increasingly popular with many users. The reason for this is that they have the unique ability to regulate flow and pressure independently according to the needs of the system. In this article, we'll show you how automatic hydraulic pumps are more ingenious than manual hydraulic pumps.

What is an automatic hydraulic pump ?

Pompe hydraulique à piston - XPI series - HYDRO LEDUC - automatique / bidirectionnelle / à cylindrée fixe

An automatic hydraulic pump is a type of pump that has a built-in regulation system to automatically adjust the flow rate and/or output pressure according to the needs of the hydraulic system. In other words, they are capable of regulating these parameters without the intervention of an operator.

Automatic hydraulic pumps use different types of control systems, such as pressure transducers, flow regulators and electronic controllers, to monitor and adjust pump output in real time. This allows more efficient use of hydraulic power and can also extend the life of hydraulic system components by preventing overpressure and overload.

They are commonly used in many industrial applications, such as machine tools, hydraulic presses, drilling equipment, etc

What makes up an automatic hydraulic pump ?

An automatic hydraulic pump generally consists of three main components: the pump body, the pumping mechanism and the control system.

The pump casing is generally made of robust steel to withstand pressure and wear, and contains the inlet and outlet channels for the hydraulic fluid.

Next, the pumping mechanism is responsible for converting mechanical energy into hydraulic energy. It generally consists of a rotor, vanes or piston, which moves inside the pump body to draw in and compress the hydraulic fluid.

The control system regulates the pump's flow rate and includes valves, pressure regulators and other devices to control the pump's operation according to the needs of the application.

What are the different types of automatic hydraulic pump ?

Depending on the pump's displacement, there are fixed-displacement and variable-displacement automatic hydraulic pumps.

The difference between the two types of pump is the way they regulate flow and pressure.

Fixed displacement pumps

Pompes hydrauliques à pistons à cylindrée fixe double débit F2 - AOM

The fixed-displacement pumps use a gear, vane or piston to compress hydraulic oil and generate a constant flow. They are driven by an electric motor, an internal combustion engine or an external power source.

Generally easy to maintain, you can use them for jobs that require a constant flow, such as supplying oil to a lubrication or cooling system.

Less expensive than variable displacement pumps, these are a popular choice for many manufacturers.

Variable displacement pumps

Pompe À Cylindrée Variable À Pistons Axiaux A10Vg A10VG18HW1/10R A...

The variable displacement pumps use a variable displacement mechanism, such as a piston or tilting plate, to modify the volume of the pumping chamber and thus adjust the flow of hydraulic oil. This allows the flow rate to be regulated according to the needs of the hydraulic system.

As a result, variable displacement pumps offer great flexibility in regulating hydraulic flow, making them ideal for systems that require frequent flow adjustments to meet operational needs.

They reduce energy consumption and improve the efficiency of the hydraulic system, as they automatically adjust the displacement according to demand, thus avoiding unnecessary energy losses.

Why use automatic hydraulic pumps ?

There are many advantages to using automatic hydraulic pumps.

Firstly, these machines improve energy efficiency by reducing the energy losses associated with manual regulation of output pressure and flow. This is because automatic hydraulic pump control systems automatically adjust output flow and pressure in real time to meet the needs of the application, reducing energy consumption and increasing the overall efficiency of the hydraulic system.

Using these pumps can also reduce maintenance costs. Automatic control systems can detect performance problems and quickly adjust pump parameters to ensure optimum operation. This can reduce the maintenance time and costs required to keep the system in good working order.

Finally, automatic hydraulic pumps can extend the life of hydraulic components by reducing wear caused by fluctuations in pressure and flow. Automatic regulation systems maintain constant levels of pressure and flow, which can reduce wear on hydraulic components and extend their life.

What are the disadvantages of automatic hydraulic pumps ?

Défaut principal des pompes à engrenage externe [Hydraulique : De la mécanique des fluides à la transmission de Puissance]

Despite the many aalthough there are many advantages to using automatic hydraulic pumps, there are also a number of limitations and disadvantages that need to be taken into account.

Firstly, their initial cost can be higher than that of traditional hydraulic pumps. Automatic hydraulic pumps require sophisticated electronic components for their automatic control system, which can increase their purchase cost. However, it is important to note that the initial cost can be offset by the energy savings and reduced maintenance costs that these pumps can offer in the long term.

In addition, automatic hydraulic pumps can be more technically complex than traditional hydraulic pumps, which can require specialist training and expertise for installation and maintenance. Automatic control systems can also make pumps more susceptible to electronic faults, which can increase repair and maintenance costs.

Finally, some hydraulic applications may not require automatic hydraulic pumps. Simple and uncomplicated hydraulic systems can be equipped with traditional hydraulic pumps, which are less expensive and easier to use and maintain.

Still on the same theme

- Manual hydraulic pump

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