Basic concept of electric cylinders

Electric cylinders are linear actuators that convert electrical energy into linear motion through internal mechanisms including electric motors and spindles or similar systems. Unlike pneumatic or hydraulic cylinders, they use electricity to precisely control their displacement, speed and applied force.

These devices are fundamental in industrial automation, since they allow repetitive, controlled and adjustable movements without the need for compressed air systems or hydraulic fluids, providing energy efficiency and greater cleanliness in the work environment.

Main components

An electric cylinder is composed of an electric motor, commonly a stepper motor or a servomotor, which drives a ball screw or screw. This spindle transforms the rotary movement of the motor into linear movement of the cylinder rod.

In addition, it has guidance systems to guarantee the straightness of the movement, sensors for positioning and electronic control to manage the speed, acceleration and force applied in each work cycle.

The set may include additional elements such as brakes, encoders or feedback systems to increase the precision and safety of movement.

Control and regulation

The control of an electric cylinder is carried out through electronic drivers or controllers that interpret the input signals and adjust the movement of the motor in real time. This regulation allows programming intermediate positions, variable speeds and complex movement profiles.

Feedback systems using optical or magnetic sensors inform the controller of the exact position of the cylinder, allowing millimeter precision and high repeatability in delicate industrial applications.

This advanced control capability is one of the key advantages over pneumatic or hydraulic actuators, which rely on valves and pressure and offer less flexibility in regulating movement.