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Solenoids

This document discusses how solenoids work to convert electrical power into mechanical work. It describes how applying a current generates a magnetic field that attracts a plunger, creating motion. Different types of solenoids are presented, including push, pull, clapper, and rotary varieties. Common applications like valve actuators and sorting machines are reviewed. Size, stroke length, and force limitations of solenoids are also covered. Web resources for learning more about solenoids are provided.

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Turning Electrical Power into Mechanical Work
Presentation Agenda • Discuss how a Solenoid Works • Show some different types of Solenoids • Discuss Applications for Solenoid use. • Introduce Web Resources
How a Solenoid Works. 1. Apply Current 2. Magnetic Field Builds 3. Stop and Plunger Become Attracting Magnets 4. Magnetic Force Drives Plunger to Stop
Basics Types of Solenoids • Push • Pull • Clapper • Rotary • Open • Closed
Types of Solenoids Pull Solenoids • Force is Directed Back towards Solenoid. Push Solenoids • Force is Directed AWAY from Solenoid
Types of Solenoids Clapper Solenoids • Typically Force application can be the same as a Push or Pull • Greater amount of End Force/Hold Force
Types of Solenoids Rotary Solenoids • Apply a Torque over a range of Rotation. • Every Company has different ways to obtain the rotary motion.
Types of Solenoids Rotary Solenoids • Other Configurations:
Types of Solenoids • Open Frame Solenoids • Closed Frame Solenoids or Tubular Solenoids
Typical Solenoid Applications • Linear Applications – Valve Actuators – Latching/Switching – Pushing/Pulling Objects • Sorting • Shutters • Characteristics – Size  as Force  – Limited Stroke Lengths • 5/8” is a Long Stroke
Typical Solenoid Applications • Rotary Solenoids – Sorting Machines – Shutter Actuators • Characteristics – Strokes from 5 to 90 – As Stroke Increases Starting Torque 
Web Resources For Solenoids http://www.camdec.com http://www.gwlisk.com http://www.ledex.com http://www.ramcompany.com http://www.takaha.com
Conclusions • Solenoids Convert Electrical Energy to Mechanical Work • Different Types of Solenoids for Different Types of Applications – Linear and Rotary • Major Considerations – Size – Stroke and Force Limitations
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