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Posted by Scott Klar on Tue, Feb 06 2018 @ 8:30 AM

Motor selection for electric linear motion. Stepper vs servo

An electric linear motion system needs a motor. Unlike pneumatic cylinders that are powered by a central air compressor, electric linear actuators are powered by electric motors. The mechanisms in the actuator convert the motor’s rotary motion into linear motion. Machine designers can choose either servo or stepper motors for their electric linear actuator applications.

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Posted by Aaron Dietrich on Tue, Oct 13 2015 @ 8:30 AM

Electric linear actuators and motors. Getting the right fit.

An electric linear actuator can outperform a pneumatic model with superior control of speed, position, and force as well as provide better accuracy and repeatability. But that superior performance comes with complexity. Pneumatic cylinders commonly are simple, easy-to-understand components, while electric linear actuators are systems comprised of a motor, controller, cables, and actuator. Plus attaching a motor to an actuator usually requires some kind of adaptor or housing.

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