Linear Actuators

Linear Actuators

Linear actuators work by moving an object or piece of equipment in a straight line, moving the object extremely accurately and repeatedly if required. As most conventional electric motors are rotary, a linear actuator is used to convert the rotary motion to linear motion.

We offer a wide range of linear actuators such as High-Precision, Step Motor, Electromechanical linear actuators and more.

HVH Industrial works with the specialized engineering teams of manufacturers to meet the requirements and highest quality standards of our customers. 

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Linear actuators are vital to many industrial processes, allowing for smooth and accurate motion, and are often used in applications requiring high precision, such as robotics and manufacturing. 

What is a Linear Actuator

A linear actuator is a mechanical device that converts energy into linear motion when activated. The working principle of a linear actuator is relatively simple. A motor turns a screw, which then moves a piston in a linear direction. When a linear actuator is turned on, the motor starts to rotate, and the screw begins to turn. Also, the nut attached to the screw starts to move in a linear direction, pushing or pulling the piston, depending on the direction of the motor. The piston then moves, which in turn causes a linear motion in the application.



Linear actuators come in many different shapes and sizes and are designed with various input and output options to meet various requirements. They are commonly used in manufacturing and industrial settings, where they are often used to automate processes and increase production efficiency.

Linear actuators are used to move objects in commercial applications, such as doors, gates, and valves. They can lift and lower objects, such as an adjustable bed or an elevator. Linear actuators automate various industrial processes such as assembly, packaging, and material handling. Linear actuators are also used in robots to move arms and legs and can be used to position sensors and cameras.

AC Vs. DC Linear Actuators

Linear actuators are typically powered by either an AC or DC motor. AC motors are more common because they are cheaper and more reliable. DC motors are more efficient, but they require more maintenance.

As the name suggests, AC linear actuators use an electric motor that runs on an alternating current. In contrast, a DC linear actuator uses a motor that runs on a direct current. AC linear actuators are more efficient and usually more powerful than DC linear actuators. AC linear actuators are typically used in large loads and high speeds applications.

DC linear actuators are less powerful than AC linear actuators but are more efficient. A DC linear actuator is more suitable for applications where the load is not too large and the speed is not too high. DC linear actuators are typically used in applications where precision and control are essential, such as robotics and automation.


Linear actuators convert rotational motion into linear motion, allowing for precise control in many applications. Linear actuators are used to move objects in a precise, repeatable manner, both in industrial and commercial applications.