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Servo hydraulic systems

Advantages and Disadvantage of Servo Hydraulic System

Servo hydraulic systems are used in various industries to control and regulate a wide range of equipment. These systems are powered by hydraulic fluids that create high pressure to control the movement of mechanical components. The advantages of a servo hydraulic system include their high power output, precise motion control capabilities, and ability to operate in high-force applications.However, these systems have numerous drawbacks, including high energy use, ongoing maintenance, and a somewhat expensive cost.

  • One of the primary benefits of a servo hydraulic system is its ability to produce high power output. The hydraulic pump in these systems can create much higher pressures than other types of systems, which allows them to produce greater force and torque. This implies they can be utilised in applications requiring large levels of power, such as heavy equipment or industrial machines. Additionally, servo hydraulic systems are known for their precise motion control capabilities, which is due to the ability of hydraulic fluids to be easily manipulated and regulated.
  • Despite their many advantages, servo hydraulic systems also have some disadvantages that must be considered. The high degree of energy consumption necessary to operate these devices is one of the key problems. Hydraulic pumps and control valves can be very energy-intensive, particularly if they are operating at high pressures and volumes. Additionally, these systems require regular maintenance, including oil and filter changes, fluid level checks, and component inspections. Failure to perform essential maintenance can result in early wear and tear, which can lead to costly repairs or even system failure.
  • Another potential disadvantage of servo hydraulic systems is their relatively high cost, both in terms of initial investment and ongoing maintenance costs. These systems require many expensive components, such as hydraulic pumps, valves, actuators, and control systems. Additionally, they require specialized technical skills to install and maintain, which can drive up labor costs. For smaller applications, other types of systems, such as electric motors or pneumatic systems, may be more cost-effective and efficient.

Why you should use a Servo Hydraulic System

Servo hydraulic systems are the most advanced and sophisticated systems that use pressurized fluids to generate force and motion. They are widely used in various industrial applications, including aerospace, construction, and robotics. The technology has become popular due to its high precision, superior response time, and repeatable accuracy. Engineers and manufacturers prefer using servo hydraulic systems over other systems because of their versatility.

  • One advantage of a servo hydraulic system is the high power density that the system offers, which means it can generate more force for its size than electric or pneumatic systems. For example, a hydraulic motor powered by a hydraulic pump generates more energy than an equivalent-sized electric motor. As a result, servo hydraulic systems can handle larger loads, speeds, and accelerations, making them suitable for applications requiring precision control and fast response.
  • Another advantage is the high reliability of the hydraulic systems, which is critical in industrial applications. Servo hydraulic systems have fewer moving parts, which reduces wear and tear, and thus, minimizes the risk of failure. Additionally, hydraulic systems can tolerate extreme environmental conditions and long operation hours, making them ideal for harsh environments. Furthermore, hydraulic components are typically constructed of corrosion-resistant materials, reducing the danger of corrosion and rust.
  • Lastly, servo hydraulic systems are highly accurate with exceptional positioning accuracy. The technology employs linear variable differential transformers or rotary encoders to measure the position, speed, and acceleration of the actuator. Hence, with the precise control of the actuator, it is possible to achieve high-quality products with consistent manufacturing standards.


Servo hydraulic systems offer numerous advantages over other systems, including high power density, reliability, and accuracy, making them ideal for high-speed and precise industrial applications. End-users benefit from the precision control, reduced maintenance costs, longer service life, and efficient operations, as the technology provides high performance, quality, and value for industries.

Servo hydraulic systems offer a range of advantages in terms of power output, motion control, and application capability. These criteria, as well as overall performance requirements and budget limits, must be carefully considered when selecting the proper system for a certain application. Finally, by comparing the benefits and drawbacks of various systems and picking the best match for the job, manufacturers may optimize their processes and increase efficiency and production.