K&J Magnetics - Eddy Current Separator

K&J Magnetics demonstrates how magnets can push non-ferromagnetic materials. Eddy currents generated in bits of aluminum allow them to be pushed by spinning magnets.

[kelleyshy]

Great explanation and video! Thanks for taking the time to do so!!

[mohamedghoneim]

Is it suitable to separate the plastic from the aluminum?

[dylanrowley]

how did you attach the magnets to the spinning drum?

[TheShowgunofHarlem]

Ive been searching youtube for about 3 months looking for a simple video on how Eddy Current works... Thank you!

Does eddy current separate copper and brass too? or just aluminum?

[vishmaraminda]

Is it have to be a wooden shaft?
If it yes can u pls explain why?
TQ

[jorgegonzalez-huyt]

Excellent work!

I have a question, can it work with small bronze pieces?

[elwyndavis]

Hello, your demonstration of an eddy current separator is the best of any home built one I have seen. I would like to build one approx. 10 inches wide by 6 inches in diameter. I haven’t quite figured out how to run a conveyor belt at a much slower speed than the magnetic drum would be spinning. Any suggestions, tips, ideas would be welcome.

[SciHeartJourney]

Very nicely done. Have you ever ran  a bunch of sand across it? I wonder what it would yield?

[dominikcislak]

what is the speed of motor ?, and what is distance between magnets and up side (where is object to separate) the distance between magnets and aluminium - I need it for calculating magnetic force...

[andresmike]

hi, i like to know, what kind of magnets do i have to use, and how to arrange them, i apreciate your answer, thanks

[Sgt.Hartman]

i always wondered how they would separate non ferrous metals from plastic and paper, very interesting!

[SciHeartJourney]

I read that California sand from Home Depot has a small amount of gold. Something like this makes it worthwhile to extract.

[jorgegonzalez-huyt]

Excellent work!

I have a question, can it work with small bronze pieces?