3D Printed Magnets with Protopasta Iron Filament
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- Опубліковано 18 жов 2024
- Chuck tests out Protopasta Iron Filament to see how magnetic it is. He uses it in an electric motor. Will it work?
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A lot of people have asked about the iron filaments conductivity. It’s not conductive but Protopasta does make a conductive filament as I show in this video: ua-cam.com/video/z6MyeJPBN8I/v-deo.htmlsi=vRAcBqEDEe6Vd0hN
3:00 the Mono-magnet this is a Major breakthrough, science needs to know :)
lol it's not a monopolar magnet. I've written an explanation in my comment
After watching most of your videos, trying many of your tips, and using your profile, my 3D prints have improved. Even my old Ender 2 is producing better results. Thanks😊
I suspect that what you get printing this isn't really one magnet, but a bunch a small magnets scattered around with their poles in all sorts of directions. What polarity you get is basically the average of them all. This explains the behaviour on the pen. It also means the magnet is a lot weaker than it could potentially be.
If you were to drag a strong permanent magnet over your print in one direction a bunch of times (the way you would magnetize a screwdriver) you should be able to align the polarity of all the little iron flakes into a single axis - this will lose the multipolar feature you observed but the resulting magnetic print should be a LOT stronger, which has it's own uses. Worth an experiment ?
Yeah it is just like a piece of unmagnetized iron. Even if it started out magnetized, the process of melting it would put an end to that.
THANK YOU! I have been working on project that requires this exact filament so I can use magnets. I was never able to locate it before. This will be perfect!
Thank you for covering this. There is always so much coverage on new printer developments but quite often Filaments get forgotten about. Personally I think Filaments is where some of the most interesting developments are at the momemt.
Very cool project! Love seeing Tinkercad being used like that. 💯👍
Fascinating! Really well done, Chuck! 😃
Stay safe there with your family! 🖖😊
As a scale modeler turned RC car nut, I really can't help but wonder what something like this might bring to the modeling world. Specifically, rust.
If one were to print, for example, an engine block- and subject it to one or more processes that would induce rust formation on the genuine article- would it develop a visually pleasing patina?
Also, I'm betting that this is hell on your nozzle, but it's a consumable part anyway. Gotta pay to play.
You should try if it works the same with regular pla.
Maybe the material has no discernible effect once you crank up the voltage.
I enjoyed that. I look forward to more metal experiments
a magnetic Latch for doors and small things is what you can use the new found magnetic experiment
Its useful for some hobbies. I made trays that hold models on 25mm bases with small magnets on the bottom. They hold well and allow me to transport loads of minis magnetized so they don't fall down.
Really nice vid man, love this stuff!
Thanks CHEP.
I would think the reason it is not as magnetic or that it doesn't allow the magnetic field to pass through to other ferrous metals is that it is a powder in it so all the individual grains of powder are being magnetized but since the grains are separated by PLA, it doesn't allow the build up of the domain of fields like the molecules in a piece of metal.
Maybe stick a magnet somewhere, nozzle, while the filament is cooling so it hardens polarized
For parts like those in the future, it might be worth creating them in Fusion or onshape. You can just take a picture, draw some splines and lines, and scale to proper dimensions.
_"and then"_
might be interesting to have iron-filings on a surface and assemble the pen as you show at 3:04 over the surface. It could show the magnetic field changing to allow the NS-SN
Luv to see that !!
I have my doubts about how far loose iron particles extend the magnetic field in the motor.. Surprised you didn't print the same part also out of plastic, just to gauge if the sides are that critical to operation, or it's the primary magnet at the top. But the filament does at least attract magnets to it.
I would say anything where you have a lid that needs to adhere to a cover, you can 3d print a lid and then use magnets to hold the lid to a box.. or a door to a cabinet perhaps.
It doesn't allow south to connect to south
The south pole of one magnet is inducing a north pole in the 3D printed part... but it hasn't magically converted it into a magnet, just modified the spin of some of the iron in the part. All you have is a slightly more 'north' end and a slightly more 'south' end
When you force another south pole magnet onto the 'southish' end of the part, you then induce a 'north' pole in that side of the part as well, with a 'southish' area in the middle of the part and two 'northish' areas on the outsides
no magic here... just magnetic induction
Very interesting. Thanks for the content.
The A1 Mini might have printed the things fine, but I can't help but wonder what the metal powder is doing to the nozzle 👀
Very interesting. Can it be magnetized? For the motor if you made the plates thicker, would that increase the efficiency and work with a lower voltage? Could you enhance / decrease the magnetic properties with the direction or concentration of the infill/shells? You could 3D print magnetic logic gates that way. Make a micro generator? 3D printed door magnetic door catches, puzzles, locks, etc. With a multi-filament printer It opens the door to many applications. Combined with using conductive and non-conductive filament you could try to entirely 3D print a motor / generator?
You will find that your result of magnets at first repelling then attracting happens with any magnetic material in between, It is commonly used to shape the magnetic field for a particular effect. It is easier to design and assemble devices this way than to hold opposing magnets in place by brute force alone.
Perhaps more unintuitive is that the same thing happens, for example, when you force a neodymium magnet close to a ceramic magnet. This will weaken (but not immediately destroy) the ceramic magnet however.
I wonder if the 3D printed parts are really creating a field around the rotor or is it the proximity to the magnet causing the rotor to spin. What if you replaced the iron filament pieces with regular PLA? They might be just acting as a support for the magnet.
That’s not how the motor works. The rotor is changing fields at the horizontal position not vertical position so it’s definitely the 3D Prints creating the field that makes the motor turn.
Otherwise why have plates at all. Just put a magnet at the bottom and let it go.
Love your videos,
I wonder how this material would work as a substitute for ferrite core material used in RF circuits.
On-off switchable permanent magnet
Does it conduct electricity? I could see this being useful for printing circuits as part of a printed device
No, it isn’t conductive. They to make a conductive filament though. ua-cam.com/video/z6MyeJPBN8I/v-deo.htmlsi=NVgQ3THgk6o1re8t
that's "commutator".. not commuter ;) Great video.
"state-er" not stat-er too
They need to make magnetic filament.
Cool
Just dawned to me. Magnets are attacked to the filament but it won’t “stick” by itself to metal?
Might be good for a 3d printed engine like Camden Bowden.
another, and far more magnetically effective method is to make it as a ring, with the two magnets on the ID, maybe with pole caps to extend the field, increase the "pole pitch". only extend them for 90 degrees of an arc. think of a standard type DC motor in its steel casing. its iron for a reason?
think of it as iron keepers across the magnets, you are trying to "short" the magnets out with iron. then one is free to rotate, and when magnetised by the coil and current through the commutator, is repelled from that field.
as it is, magnetic flux is from magnet through iron polepiece, through airgap to rotor, through airgap from rotor to other pole piece then back to magnet... it works, its simple and cheap...
the problem being you get massive flux leakage from the iron itself. where one end of the rotor is right up near a magnet, in a strong field, the corresponding opposite end is at the weakest point in that poles field... at 90 degrees, the leakage and flux density is about equal... but wherever it is, the flux density through the rotor, what it actually repels against to create torque, is limited.
would be interesting to see the flux variations on the basic engine design... hmmmm...
a simple improvement would be strap another set of magnets at the bottom, the same polarity. making one pole strongly south, the other strongly north, along their full length. stronger more uniform field.
you could have played around with the pole thickness as well, that is a very thin, high reluctance piece of metal! the leakage is huge, and the filament is even worse...
but yeah... making as direct a comparison as possible, i guess ;) but it would be fun to see how far you could take such a simple, nasty toy motor with some good magnetics?
So if it allows a south to connect to a south. Is this Sheldon Cooper's monopole that has a north at both ends?
He did demonstrate that the magnetic conductivity doesn't transfer through it, so I think both Souths were just connecting to the part itself instead of interacting with each other; reasons why it still repelled at first
@@TS_Mind_SweptIt repelled at first due to the magnetic field from the first magnet. At that distance the field is somewhat weak, but nonetheless it’s there. The second magnet stuck to the printed piece because its magnetic field was strong enough to overcome the weak field from the other magnet. It is not that there was anything magic about allowing two south poles to stick together.
@@philipershler420 that's what I said
I'm wondering how conductive this stuff is ?
It’s not. But they do make one. ua-cam.com/video/z6MyeJPBN8I/v-deo.htmlsi=vRAcBqEDEe6Vd0hN
We have sent out our printer at 3/8 earlier this year for your review video. But for 5 months you didn’t post any about it on your UA-cam channel. We sincerely hope this collaboration can happen because we trust your credibility and professionalism. That’s why we reached out to you many times to check if everything is ok. However, you stop replying to the messages from May until now and according to hints on X you have read all of them but just keep ignoring.
We must say this is really a disappointing experience because we did have such high expectation for you and your channel. If you can see this message, we still hope you can make an impartial video about our product like you always do ASAP. Otherwise, I’m afraid you need to send our printer back and put a termination of this cooperation after nothing in 5 months.
We look forward to hearing back from you.
make an anti frizz comb
You could make cores to a transformer and wind it yourself
This could be electroplated, so metal plated 3d prints.
Hen3drik here on UA-cam already has built an entire channel on electroplating of both FDM and resin prints, although he always starts with a layer of conductive paint (copper- or graphite-based) before plating copper and then any other metals that may be desired. I don't know that plating on iron-bearing PLA would work very well without first applying a consistently conductive base layer by some means...same goes for the Eel flexible conductive filament from Ninjatek, which is conductive but has a much higher resistivity than metal and may not work well in a plating bath.
@justinchamberlin4195 Best time to test something is when you're uncertain of the result. I suspect that if there's enough conductivity present to start the deposition then any roughness both in conductivity and in surface texture will smooth itself out as the material goes down.
@@claws61821 yep, multimeter to check resistance between a few points.
Is it conductive?
No. They do offer conductive filament. ua-cam.com/video/z6MyeJPBN8I/v-deo.htmlsi=1D595D-iVPqET6HD
How about baby yoda fridge magnet
Every video on my channel involves 3D printing and magnets. This might be a game changer for me.