How does a linear electric motor work?

How does a linear electric motor work?

Linear motors operate with an AC power supply and servo controller, which are often the same as those used for rotary servo motors. The linear motor primary part is connected to the power supply to produce a magnet field. By changing the current phase in the coils, the polarity of each coil is changed.

Where is linear actuator used?

Linear actuators are used in machine tools and industrial machinery, in computer peripherals such as disk drives and printers, in valves and dampers, and in many other places where linear motion is required. Hydraulic or pneumatic cylinders inherently produce linear motion.

How do I choose an actuator?

All actuators have several distinct purposes.

1. Move the valve closure member (disc, ball, or plug) to the desired position.
2. Hold the valve closure member in the desired position.
3. Provide the required rotational travel (90°, 180°, etc.).
4. Provide the required operating speed.

What is an electric motor actuator?

Basically, an electric actuator is one kind of gear motor which can be of various voltages and is the main torque producing component. To stop extreme current draw, electric actuator motors are generally set with a thermal overload sensor fixed in the motor windings.

What is a linear motion actuator?

A linear actuator is an actuator that creates motion in a straight line, in contrast to the circular motion of a conventional electric motor. Linear actuators are used in machine tools and industrial machinery, in computer peripherals such as disk drives and printers, in valves and dampers, and in many other places where linear motion is required.

What is an electric cylinder?

Electric cylinder is a device that use various motors (such as servo motors , stepper motors, motors) to drive various screws (such as slide screws and ball screws) to rotate, then it converts into linear motion by nuts, and pushes the slide table along various guide rails (such as sliding guide rails, ball guides , and high-rigidity linear guides)

What is the definition of actuator?

Definition of actuator. : one that actuates specifically : a mechanical device for moving or controlling something.