Resources
Episode #65: What is an Electric Actuator?
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If you have any questions or are just looking for some help, we're happy to discuss your application with you. Reach out to us at (855) 737-4716 or fill out our online form.
The Motion Control Show
What is an electric actuator?- A device that takes electricity in and it makes mechanical movement out
- “Electric” + “mechanical” gives us “electromechanical”
- We actually use the term electromechanical actuators
- “Electric actuator” is just so much easier to say
- Different types of electric actuators
- Solenoid Actuators
- On/off current or electricity through a coil that creates magnetism
- Magnetism attracts a piece of metal that is tied to some mechanics
- Then it returns with a spring
- Voice Coil Actuator
- What a speaker is on a stereo system
- Has adjustable current through a coil to create magnetism
- Magnetism moves a series of magnets for dual direction
- Also used in industrial applications for short, quick, high response applications
- Motor Actuator
- Has a motor tied to an actuator
- Controlled by adjustable current through its coils to create the magnetism
- Coordinated magnetism of multiple phases moves a series of magnets in the motor
- Motor moves the mechanics
- Piezo Actuator
- Does not use magnets
- Uses current to an element that causes it to wiggle
- The wiggle walks along a service
- That surface is also tied to the mechanics
- Solenoid Actuators
- Pros of Electric Actuators
- Good control
- Efficient
- Clean
- Different designs
- Cons of Electric Actuators
- Magnets are expensive
- Force-to-size ratio may be a little bit bigger
If you have any questions or are just looking for some help, we're happy to discuss your application with you. Reach out to us at (855) 737-4716 or fill out our online form.
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