Rotating Diametric magnet with Axial magnets surrounding it

Reply Sat 9 Dec, 2017 06:27 am

I know a little about magnetism, but not tons, I am trying to create a device where by a motor on one side of a piece of material, drives an impeller on the other side of the material, and where the two parts are held in place via magnetism.

Ideally, I would like to use separate magnets to do the 'clamping' and 'driving' so as to limit the amount of thrust on the bearings of the motor and impeller.

I was considering using 2 diametrically magnetised discs, one connected to the motor, and one to the impeller, and my question is, how would using say a single axially magnetised ring magnet around the diametric one, or several smaller axially magnetised magnets placed around the diametric one affect things?

I would like to keep the components as small as possible, so the closer they magnets can be to each other the better.


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