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Electro-Mechanical Linear Actuators

Electro-Mechanical Linear Actuators. Vermont Technical College 2003 Senior Projects I Technical Topic Presentation. What are they?.

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Electro-Mechanical Linear Actuators

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  1. Electro-Mechanical Linear Actuators Vermont Technical College 2003 Senior Projects I Technical Topic Presentation Created By: Jared Beland

  2. What are they? Electro-Mechanical linear actuators provide high-precision linear motion via a motor driven ball screw, acme screw, rack and pinion, or belt driven assembly, often linked to computer control equipment.

  3. Types of Electro-Mechanical Linear Actuators • Acme Screw Driven • Ball Screw Driven • Belt Driven • Rack and Pinion

  4. Acme Screw Driven Description Similar to a nut and bolt the acme screw driven actuator converts angular rotation of the screw to linear motion of the nut and carriage unit.

  5. Acme Screw Driven

  6. Ball Screw Driven Description The ball screw driven actuator transmits torque to the nut through one or more recirculating ball bearing tracks. This is the most commonly used mechanical positioning system in industry today.

  7. Ball Screw Driven

  8. Bell Driven Description The belt driven actuator uses a belt of some sort to produce thrust force on a carriage. This system is used mostly in high speed applications.

  9. Belt Driven

  10. Rack and Pinion Description The rack and pinion actuator converts rotational motion into linear motion by us of a gearwheel (the pinion) which engages with a flat toothed bar (the rack).

  11. Rack and Pinion

  12. Pros and Cons Matrix

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