Tuesday, 24 February 2015

Replacing the core of a solenoid to increase the pulling force



I have a number of solenoids I would like to use in a project. The problem is that they're not quite powerful enough so I've been trying to come up with ways to increase the their pulling force without increasing the voltage.


The solenoids use a core that is tapered on the end. I would think that would lower the pulling power when the solenoid first engages. If I replace the core with a one that has the same thickness would I be right in thinking that the initial pull when the solenoid engages would be stronger?


If this would work what type of core should I use? If I just google "steel rod" there is a lot of types available. Is there some in particular material I should be looking for?


sketch of the solenoid




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