Does anybody know, where to buy half-ring-magnets,with orientation:
NOT: axialNOT: radialNOT: diametral
but ring-shaped, like a horseshoe-magnet!I'd need it for a test.
Test should be done as follows:
Put two of such halfring-magnets together and you get a ring with all magnetic lines inside the ring.
Then arrange several square- or rectangular magnets around the ring. All magnets must have the same orientation towards the ring.
With this arrangement you obtain a permanent imbalance, even if it rotates.
This can be illustrated by a simulation, made with vizimag:
I forgot: Rimbald = RIngshaped Magnetic unBALanced Device
The feeling of me now is very glad to be with everyone here.
Can anybody remagnetize a ringmagnet?
Forces are of course much smaller with a simulation in mm.But I think, more important are the directions of the forces!
Sorry, x, y are inverted.
Quote from: pemox1 on August 03, 2018, 11:56:50 AM
Does anybody know, where to buy half-ring-magnets
Suggestion: Get yourself a suitable profile ring of steel/iron (pipe section, etc) and cut it into quarters, then place a block neo at each cut. I've made quite useful 'horseshoe' magnets with square section steel and neos. Might be suitable enough to test your idea .....
Piecing parts together to a ringmagnet causes gaps and these gaps are producing spikes.
Because there are no such ringmagnets around the world, I tried to remagnetize an axial-magnetized ringmagnet.Though I think power is big enough for ferrit-magnets, I receive no correct magnetization. There always remain areas with wrong magnetization.Maybe windings are not exactly.....note: handling with 600V and more than 2000A is really nothing for beginners!
"note: handling with 600V and more than 2000A is really nothing for beginners!"
mmmm 1.2 Megawatt (assuming single phase only) not that big eh???
If you're not sure how this curcuit works, you shouldn't replicate it!
Give you a hint: Q = C * U = I * t.
t-charge is about half an hour.
t-discharge is about 1-5 milliseconds, depending on your coil.