How the solenoid gets the linear motion when the current is passed in the coil?

  • Thread starter Raj
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    solenoid
  • #1
Raj
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Main Question or Discussion Point

The Solenoids which are used for pneumatic controller uses the solenoid as a switch to control the value opening and closing. This is done by passing current to through the coil which produces the magnetic field . But i would like to know how the generated magnetic field will move the solenoid rod?
 

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  • #2
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When the coil is energized, a magnetic field is created. This field produces a force that acts on the ferromagnetic rod and moves it into the coil up to a certain allowed point. If the rod is a permanent magnet reversing the current direction in the coil reverses poles of the electromagnet and produced force can be in oposite direction to push out the rod.
 
  • #3
Raj
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Is it based on Flemings Left hand rule ?
 
  • #4
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Right hand rule of a screw thread. I think that's the name
 

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