Will a A/C magnet pick up copper?
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Will a A/C magnet pick up copper?
I do believe my mind has been blown here MDG. How in the world does that work? I thought non-ferrous meant non-magnetic in lamans terms. Please, do explain, be it here or in a new thread. I know a few people are intrigued!
A/c magnet? Wth...that sounds bs to me. If it is non ferrous, then it will not stick. To answer the op q. I throw EVERYTHING in the shred. Including a little garbage, heh, to plastic, to steel. My steel place dont care and I kinda got inspired when I saw they were dumping their office trash in the shred pile. Also sometimes if there is more steel than aluminum, say on a washer transmission, that goes in the shred pile as well. It realyl depends on my mood and if it is worth it to cut apart said item,, or if too time consuming, it goes into the shred.
I really regret it now, but I had like 40 ww1 communications devices. The were steel boxes, with wood encased. The gear being inside. They were too much to rip into, because most of the srews were rotted. So into the shred they went. Took am little coaxing to get the yard to do it, since they had wood around them. But after I mentioned they have possible gold, silver, etc...they were more than happy to take.
Never forget that. Those bastards weighed in at 1825 lbs for 40-5o units. Really makes me wonder what was inside..lol. Just didnt have time or ambition to tear them open, plus storage.
AC magnet vs (what?) DC magnet?
People, people - look it up.
No offense taken scrapette, I googled exactly what you said and it brought me right to this post. Thanks for the idea though!
im really hoping you can back that one up with a link.... because i cant find a single thing on thatQuote:
Originally Posted by Kris Kringle
Same thing as an eddy current, right?
http://www.americanrecycler.com/03spotlight02.html
Some fine reading there Kris Kringle, now I have something to do tonight. :)
And on topic,
I will put anything that sticks to the magnet in my shred pile. I keep washing machines and freezers around to throw the small items in, when they get full the whole assembly goes to the scrap yard. Makes unloading the trailer nice and easy. :)
I would like to know more about the AC Magnet and Eddy Magnet that Kris Kringle mentioned in another thread.
If anybody has information about these non ferrous magnets lets talk about them, sounds very interesting. :)
Here is a video I found on youtube about them.
http://youtu.be/iSgjTGtDMfA
very interesting. I don't think we have to worry about our cheap or free (from microwaves) interfering with our scrapping endeavors !! I don't think 98% of us could afford a magnet that would separate our non ferrous !
Check this out, they are dropping magnets thru copper pipes and the magnets slow down on the way thru. Very cool.
http://youtu.be/G7ysnXH53Wo
http://youtu.be/E97CYWlALEs
Great video. My experience with eddy currents is with metal detectors. The metal detector sends out a radio signal via the coil. The signal strikes a metal object which in turn sends out a signal that is received by the coil of the metal detector.
I wonder if HighVoltage has looked into this technique to seperate copper from the insulation? Mike.
LmaoQuote:
Originally Posted by jonnyjeb
I have two Eriez pan separators, each pan performs a different type of motion. Each magnet has a rheostat where you can aggressively agitate or go to a less aggressive situation where the product on the pan barely moves.Quote:
Originally Posted by Dumpster-Dee
I've only played with the one pan, put the pan on an incline, add some copper, gold and silver then depending on where you have the power set at, the gold will travel up hill until it falls over the edge of the pan into a pail or bucket.
You need to be a bit more aggressive to get the lighter silver to move up hill, to much power on the rheostat and your copper is going to come along for the ride.
Its he same as if you were using a gold pan panning by hand you get to aggressive everything you have in the pan is going over the side.
I'm working on a small eddy current drum which will be approximately 3 inches in diameter, much to small for a scrap yard but just right to recover the precious metals from ball milled integrated circuits. Where your only dealing with about 60 lbs.
My rare earth permanent magnets were recovered from junk stepper motors.
You find stepper motors in photo copiers and printers, larger one from automated machinery like CNC milling machines, lathes and cutting tables. Besides using steppers to make homemade cnc projects you can use them as generators on wind turbines.
Quote:
Originally Posted by Kris Kringle
Sorry. Glossed right over eddy magnet.
I have found that a cheap magnet won't pick up certain screws while taking H.D's apart, but a H.D.magnet will pick up all screws, even the stainless. SO it gets confusing which is and is not stainless. I think I'm sorting out magnetic stainless,,,
thanks mark the link in american recycler was great wb.
all this is being done by Eddy current.the eddy current effect was discovered by Heinrich Lenz and is called Lenz's law. the wiki page is way to detailed so youtube Lenz's law. links below
http://www.youtube.com/watch?v=kU6NSh7hr7Q
http://www.youtube.com/watch?v=WHCwgc_xs3s
http://en.wikipedia.org/wiki/Lenz's_law
and now for your homework.
take a strong magnet and slide it 45 degrees down a thick alluminum plate.
you can feel the force of the eddy currents being generated
hope this gives everyone a bit of insight.
Gus sez "I have two Eriez pan separators...." So I guess that makes you one of the 2% maybe I can start a protest about my envy of your stuff. Miked
many years ago I was a deconner and we had a team that went around and did eddy current jobs on nuclear subs steam generators , it was a great job and a great pay out!!
Envy,is an unchecked human emotion, anger is the one that still gets me.Quote:
Originally Posted by miked
What really surprises me is that no one has taken me too task on my claim to build a small eddy current separator using the permanent magnet rotors from larger stepper motors.
Here is a another video eddy current generator.
http://www.youtube.com/watch?v=5Ku8lwVHDdI
So it looks like ferrous metals, like the tin cans, will be attracted to the magnet, but nonferrous will be repelled. I love how physics work. :)
Off topic, but here is some magnet fun that I found while searching youtube. I love slow motion videos.
http://www.youtube.com/watch?v=ClkP-QwIOAQ
Gus, great video really demonstrats the concept. Some of the motors I get have a large magnet on the rotor, about 3 1/2" in diameter. Might be a short cut to making something to play with. Mike
miked the rotor below is the type of motor rotor you want, each slot cut into the magnet gives multiple north and south poles which are needed needed to generate those eddy currentsQuote:
Originally Posted by miked
http://i814.photobucket.com/albums/z...um/stepper.jpg
Thanks for the picture Gus. It really is worth a thousand words. Its does seem that a granulator and one of these eddy current seperators would do a great job on wire. Mike.