4-layer & 6-layer PCBs and more: www.pcbway.com Another magnetic gearbox/speed reducer I made using magnets, but now with much higher torque.
Пікірлер: 317
@critical_always3 ай бұрын
This is where boundaries are pushed. Micro electronics, 3d printers and other now accessible tools make it possible for geniuses to be geniuses. Well done.
@stasi02383 ай бұрын
@@jamesmelemede5610 hey, while it might be useless it's more of an experiment not a product to be sold. I like KZfaq how it is because KZfaqrs can make things that are not optimized for profit yet still get money it incentivizes interesting content and doesn't constrict you in doing things only for profit. Like man gearboxes are great and all but where else you would see one made of magnets - KZfaq.
@peterhoulihan97663 ай бұрын
@@jamesmelemede5610 You do realise this is just a prototype right? Plus it has many advantages over a mechanical gearbox: No risk of grinding gears and potentially no need for a clutch for one. Instead of mechanical sheer forces we have to deal with overheating, which is a much easier issue to solve.
@justalpaca49433 ай бұрын
@@jamesmelemede5610 Bro, if youtuber without huge expirience knowlage, expencive tools and lab of engineers can produce this gearbox, then maybe, just maybe in perfect conditions it has a lot of potential. Or simply one specific fucking task? Can't your GRAND and intelligent brfain comprehand that????
@andymiller33663 ай бұрын
@jamesmelemede5610 all bro sees is black
@abhishekak96193 ай бұрын
Your big brain couldn't come up with a situation where this might be useful, leave it at that.@@jamesmelemede5610
@karyjas13 ай бұрын
Wish there were more of this type of content on youtube. Love progress/upgrades on engineering projects
@custos32493 ай бұрын
Same. Really disappointing how dismissive and unimaginative engineers and especially "engineers" can be.
@karyjas13 ай бұрын
@@jamesmelemede5610That was an unwarranted insult... This is a prototype, and it using as little of rare earth magnets isnt its purpose. A person just wanted to make a magnetic gearbox. Also isnt it quite usual for gearboxes to be bigger than the motors, especially if they need to do a massive reduction or is made out of weak materials like plastic? (Or is a prototype?)
@karyjas13 ай бұрын
@@custos3249Its just difficult to pull this off. It can be exhausting and costly in many ways. So gotta appreciate and celebrate those who do it
@custos32493 ай бұрын
@@karyjas1 I get ya, but that's why we can't have nice things. Be it intellectual laziness or R&D costs being so artificially high thanks to market capture, patent law, or just simple low wages very, very few people can manage to put together a prototype, the result is stagnation and learned helplessness. And it's even worse when people assume tossing around napkin math and a 9th grade grasp of physics makes them Grand Poobah on Turd Mountain. Currently dealing with the type elsewhere related to rotary valve engines.
@karyjas13 ай бұрын
@@custos3249Heh i watched that video myself. Hey dont worry about thinigs outside of your control, dont stress yourself. Only do when you decide to do something about it. The situation isnt great, but more negativity is likely going to make things worse. So - may you have a good day and lets hope things will improve in the future while we do our best
@garbageman39923 ай бұрын
the slip torque of this gearbox is actually crazy. the idea to use a planetary style and everything else that went into designing this motor is pure genius. with the ability to transfer such a high torque it shows that magnetic gearboxes have far better potential than i think many people realize.
@matthewfredrickmfkrz19343 ай бұрын
Looks expensive
@shableep3 ай бұрын
@@matthewfredrickmfkrz1934for now. economies of scale are possible if there is a strong enough need.
@arthurmoore94883 ай бұрын
@@matthewfredrickmfkrz1934 With the exception of the bearings, there are no wear parts. Plus, an over-torque situation results in slipping instead of stripping a gear. This could seriously reduce wear and maintenance in some applications.
@ubersosiska3 ай бұрын
@@arthurmoore9488 85% efficiency for simple gearbox is a verdict.
@fnytnqsladcgqlefzcqxlzlcgj92203 ай бұрын
It is dramatically more expensive to regularly replace bearings, disassemble and relube gears, or have massive failures when gears are over torqued and strip or at worst shatter and break other parts.@@matthewfredrickmfkrz1934
@cymaticchaos24252 ай бұрын
I used to always point out the reasons why something will not work for real applications, but I changed the way I look at ideas now. Who knows where it will be applied in what form (full, partial or modified). Amount of preproduction work that is study, modeling, printing or machining, presentation readiness and all the unseen trial runs etc and then the whole storyboarding, production and post production work, shows his level passion on the subject. I want to see the behind the scenes now right from study, research to post production of the video....
@ericlotze77243 ай бұрын
This video/project was *professional* , the testing and full on *production engineering* to an extent is really refreshing when some may not go to those same lengths. Really well done!
@arthurmoore94883 ай бұрын
Idea. You currently have a fixed gearbox, but what if you were able to adjust the number of poles on the fly? Say by having an inner cage and then moving it between different housings, or play around with some electromagnets. You could have not just a gearbox, but a clutch-less transmission!
@Dancer1483 ай бұрын
Good idea, will try it myself
@Pepesmall3 күн бұрын
Interesting idea. There's a way to 'turn off' or cancel out the magnetic field of permanent magnets, that actionlab demonstrates in one of his shorts. You might be able to use that in combination with the split torque release to change the power in the gearbox. Or like you said, by using electromagnets and varying their charge. It might even be possible just by taking advantage of its slip torque and using multiple gears, so that a stronger one engages when the weaker one reaches its maximum slip torque and so on, as a sort of automatic transmission.
@akira58723 ай бұрын
Dude you are such a monster, not many viewers will understand the work, effort and knowledge that you've put in the video. Keep going like this buddy it's insane !
@basarkuzucuoglu81743 ай бұрын
Gearbox with magnets I have been thinking about for years but I don't have enought experience about it. Well done! You did it. I watched your video over and over again to understand what you have done and amazed with your engineering and effort. As a mechanical engineer I congratulate you from the bottom of my heart.
@Spy6533 ай бұрын
11:02 I can't believe you mounted it to the lathe and then chose to dremel it rather than just turn it on the lathe xD
@Protodyakon2 ай бұрын
because the case is made from plastic and it will be destroyed if use lathe but dremel did not make so much force to case.
@arthurmoore94882 күн бұрын
@@Protodyakon I've done plenty of work with plastic on the lathe. You just have to be careful.
@retsetman96982 күн бұрын
The problem was not the plastic case, but the small steel pieces that I had attached to the carbon fiber rods. Because I glued them with epoxy, when the sharp lathe tool hit them, it would probably force them out of place instead of sanding.
@chrishayes57553 ай бұрын
some of the best projects period. really well done man. impressive! keep pushing limits
@marcfruchtman94733 ай бұрын
Ingenious design, with a lot of great improvements. You can have even more torque if the magnets in the center were mounted on a much stronger and stiffer material. The reason for this is that as you approach higher levels of torque, the material holding the magnets is starting to bend, so you lose tolerance. If you can tighten tolerances, and use stiffer materials then that will greatly improve torque. You might be able to find a ferrite bar and shape what you need instead of cutting little tiny pieces of aluminum? (worth thinking about to save labor) Great Inventiveness.
@mightymadrid3 ай бұрын
dude I was geniuenly sad when the video ended. Keep it going :)
@justin_time3 ай бұрын
Thank you for putting in so much effort and sharing your findings with the world!
@killsalot783 ай бұрын
Another amazing video, good work! I am seriously impressed with your progress and at this rate I feel like magnetic gearboxes might be everywhere some day
@legoweaponary12193 ай бұрын
Nice work! In my bachelor thesis I constructed and build a magnetic gearbox around the same size as yours. I managed to get 60 Nm of torque out of it. One important thing is to get the magnets as close as possible to modulator. If you want i can send it to you, its in german, but google translator can help you :D
@retsetman96983 ай бұрын
I would love to see! Would you send it here: semidiych@gmail.com
@evil173 ай бұрын
That sounds pretty awesome.
@MM-243 ай бұрын
How does your magnetic gearbox compare with what's generally available with more traditional gearboxes?
@legoweaponary12193 ай бұрын
@@retsetman9698 i send you the thesis:)
@legoweaponary12193 ай бұрын
@@MM-24 They require less maintainance and the cant break due to overload, because the just slip if overloaded
@HowardMatthews-mu5ub9 күн бұрын
Spectacular work. Thank you for documenting this so well: what a great resource.
@Hold3n9163 ай бұрын
Amazing video! Very inspirational, the level of detail provided, formatting, truly awesome.
@ayadusky3 ай бұрын
Cannot wait for your next video!! This is so informative as I am also fascinated with these topics but don’t have the access to the equipment that you do, or the dollars to currently put toward the materials from pcb way quite yet. So, I am always so interested and excited to watch you explore these topics I’m super fascinated with! And you have been following the ideas here as I would plus you always add some ingenious details I would not think of, well at least certainly not nearly as quickly as you do; so I eagerly await your videos in this series the most so far to live vicariously through your workshop and materials and watching you problem solve and create! Thanks for what you do!
@davidberrien97112 ай бұрын
This is very interesting and original. I like your process. Very methodical and precise. I subscribed, and this is the first video I watched.
@randyscorner9434Ай бұрын
An attempt to productize a magnetic clutch/transfer was made by MagnaDrive back in about 2000. All of this looks familiar and they had some very good systems for misaligned shafts, vibration reduction, gearing, etc. Great looking aluminum housings and led by a former Boeing CEO. But heat dissipation, reliability, and lack of performance along with decreasing capability over time led to its demise. How do I know this? I was an investor and lost a lot of money in what appeared to be a promising technology. So, as much as I like to see someone showing the journey, I know pretty much where this effort ends. The heating is due less to friction than it is to eddy currents caused by the rotating magnetic fields. Keep experimenting, but it might be useful to see what the state of the art is before engaging.
@ericlotze77243 ай бұрын
7:01 This would be a good application for the Electrochemical Etching thing “Applied Science” design for “Photochemical Machining” !
@kefetDtcom3 ай бұрын
This is excellent work. Thank you!
@gafrers3 ай бұрын
Great work, development and explanation. 👍👍👍
@KeithOlsonАй бұрын
That is wild! To make creating all of those tiny plates *MUCH* easier, I would 1. Spray insulating epoxy (or w/e) on both sides of a metal plate. 2. Clamp the plate to a CNC mill on a sacrificial sheet of MDF. 3. Drill some of the holes for mounting, then screw the plate down firmly. 4. Drill the rest of the holes. 5. Cut the pieces out, leaving tabs at each crossing point so the pieces stay in place. 6. Break the plate apart, stack the pieces on a bolt & nut--to hold them firmly aligned--and sand the edges smooth 7. *_PROFIT!!!_* Cheers!
@LiveLooseLeaf3 ай бұрын
Awesome video man. Great work!
@MagnetOnlyMotors3 ай бұрын
Nice work and excellent diagnostic reporting. Don’t ever stop what you’re doing . You only learn by doing .😊
@robertoguerra53753 ай бұрын
I love your progress:D
@legoenginemechanic1012 ай бұрын
Wow this is truely amazing
@Allexz3 ай бұрын
First video i watched, hooked instantly. Can't wait to go through your content!
@mruniverse57043 ай бұрын
Omg. What a hard work you did to make this video!
@eirikolsnes2 ай бұрын
Thank you for this brilliant demonstration! :)
@killbubbatm59832 ай бұрын
Well done, and thanks for the efficiency testing. Seems like most magnetic gearbox's aren't very good but yours is great! You certainly put in a lot of work.
@92MrSandmann3 ай бұрын
This is so cool. Keep up the good work.
@mellis9663 ай бұрын
This is fantastic. Well Done!
@WilsonFunTech2 ай бұрын
Amazing project, dude! Keep it up!
@cymaticchaos24252 ай бұрын
Just amazing... how you evolved it is just mind boggling.
@domothepilot3 ай бұрын
really cool stuff. thanks for showing us
@evanbarnes99843 ай бұрын
I'm only part way through the video, so maybe you tested this, but I'm curious about the actual efficiency. Well made gears are quite efficient, and I wonder if induction and eddie currents will work against you just as badly as friction in a traditional gear system would. This is super cool though! It works so much better than I expected. Edit: oh, nice! You tested the efficiency! I can't wait to see what you do next.
@dankjankings73393 ай бұрын
Allright my dude you earned my sub we see you at 500k soon
@Santibag2 ай бұрын
The sound of the gearbox was so cool!
@stefanguiton3 ай бұрын
Excellent work
@dustup22492 ай бұрын
Looks promising. Try 40% glass filled PEEK (Poly Ether Ether Ketone) instead of PLA because it deals with heat better (You may have to upgrade your 3D printer though) and Mu-Metal shielded magnetic bearings?
@MarkBoda3 ай бұрын
Excellent work 🎉
@seandeterman24992 ай бұрын
Freaking awesome man!
@freescape083 ай бұрын
I think KZfaq needs a super like button next to the like button. I really appreciate the explanations behind all the choices and changes. And seeing (through the graph) the result of all the work going into such a smooth operation to prevent cogging torque, that was fascinating.
@randomname47263 ай бұрын
Excellent work!
@jac22063 ай бұрын
Thats really fascinating. And your metal work is great. Together with PCB way you could build a final version Out of Metal or Carbon.
@wizrom30463 ай бұрын
Wonderful video! 👍 Thank you for doing so much work and sharing it with the world. 🏅🥰
@BeefIngot3 ай бұрын
Heckin cool low maintenance gearbox. Would be cool as heck if there was like a configurator for build it yourself variants.
@piroDYMSUS3 ай бұрын
Monumental work!
@dwang0853 ай бұрын
Dang this is amazing stuff.
@amogusenjoyer3 ай бұрын
Woah thats a super nice improvement. Especially with the magnets not heating up at all. I wonder what else you could improve from here?
@hopper1312 күн бұрын
I highly suggest changing your bearings to nitride boron ball bearings. Not only will they not heat up as much, the ceramic bearings wont deform due to heat cycling or extended high rpm runs like metal bearings. They also chew up any junk that gets in the bearing unlike metallic bearings. But best of all? Less rolling resistance for higher system efficiency and less parasitic loss.
@howididitgarage.2 ай бұрын
This is awesome.
@Sensorium193 ай бұрын
This is wonderful.
@SethLunchquest3 ай бұрын
This is amazing! I wish I could get one of these with a 5:1 ratio for my tractor. Then I could use modern 540rpm CCW impliments from the 3250rpm CW power take-off shaft of my 1980s machine.
@DaftyBoi4122 ай бұрын
This could have interesting use cases where obstruction of the mechanism by limbs is a risk factor. Like in places where people are working close to open gears or something, this could possibly used as a safty gear, that would have just enough holding force to move the shaft it needed to move, but any more resistance, like an arm or leg getting in the way, would be enough to push it past the magnets and stopping amputation. Really cool.
@seanharbinger3 ай бұрын
Most impressive. ❤
@cantan1113 ай бұрын
great job looks exciting
@tjlingram3 ай бұрын
This reminds me a lot on how toyotas ecvts work. Though while similar I think this gear box scaled up can do some real work.
@Argosh3 ай бұрын
Uhm. You need to properly measure output power. 80 percent is shockingly good, but a properly scaled single ratio gearbox has low single digit losses. Nice work though, and magnets are obviously a cool source of unique properties.
@thekrustykrabrestaurant2 ай бұрын
So genius!
@russellzauner3 ай бұрын
Thanks for building this - I'm trying to make some mag brakes for my bike so I can do some regen but also to save my brakes on really long gradual descents. I keep burning them up...if I only use them for low speeds/holding then they'll last a lot longer and work a lot better when I use them.
@swipekonmeКүн бұрын
that's a huge use case, i was thinking about concentric arrangement and cyclic connections, so n, n+3 etc can fire up on level n, m,m+4 can fire up on level m and cycle through to reduce heat. i was also thinking about using flywheels
@johnkoury11163 ай бұрын
New subscriber here and this is incredible!!! I need one of these....
@kobusdowney52913 ай бұрын
Awesome stuff! Have you ever looked into 3phase torque conversion? That is, 3 phase motor such as any brushless hobby motor used as an alternator to transfer energy to another motor to have non-linear torque transfer.
@ameunier413 ай бұрын
Those would be nice for application where you need the torque limiting.
@GoingtoHecq3 ай бұрын
Now this is impressive
@demonchicken3 ай бұрын
Love your work. Very impressive! I have a new project Idea as a follow up: Replace the inner rotor with the stator from an Outrunner brushless DC motor. A rotating magnetic field from the stator should be equivalent to your inner rotor. Essentially you would have a internally geared Brushless DC motor!
@giuseppebonatici71693 ай бұрын
@@retsetman9698 Also, heat, you would have an unventilated heater inside. which would mess with the modulation amount and the magnet life span. it would be better is the exterior part was stationary, as it would be easier to cool (big surface area, lots of copper to allow easier dissipation), but electromagnet halbachs are weird tho.
@evil173 ай бұрын
@@giuseppebonatici7169i had similar thoughts of an exterior electromagnetic coil set around the outside that could be modulated in such a way as to create a potential locking effect to increase output torque with little &/or variable energy input.
@cantan1113 ай бұрын
u guys are cool
@RHall13 ай бұрын
I love this!
@christopherd.winnan87013 ай бұрын
The image of the halbach array induced fields looks like there is some room for pattern adjustment to improve the efficiency.
@Isgolo3 ай бұрын
Nice, I'd love to see how much backlash there is with a load close to 100%
@fckfascism2 ай бұрын
Very interesting!
@iRouRoui2 ай бұрын
i have no idea what i'm watching but i like it
@vigamortezadventures79722 ай бұрын
Highly innovative probably good for high end ev
@noviceartisan3 ай бұрын
Would love to try making one of these myself someday, they look fun! xD
@wesrurede3 ай бұрын
I was just learning about another way to get the benefits of laminated steel without the issues of laminating steel; at least kind of. Either way, think a bunch of iron filings or iron from the ground, picked up with a magnet, set into a binder and poured into the shape of choice. Edit: I just tested a small mix of ground iron and clear gorilla glue which upon testing with a digital multimeter showed no conductivity. The properties seem quite similar to laminated cores. I do however have reservations of the particular glue I'm using to cure in large batches. Perhaps epoxy would be a better binder; yet I have not tested that.
@Unmannedair3 ай бұрын
That's a pretty good idea, but i would include a diamagnetic filler in addition to the metal. You want it to form flux tubes and you want to trap the flux in those tubes. Otherwise you'll have the flux tubes rearrange as the surface fields change.
@wesrurede3 ай бұрын
@@Unmannedair I'm researching that now, thank you for the info!
@vantongerent3 ай бұрын
Love it! Great follow up video! Nice work! What is the outer diameter of the whole assembly? From an engineering standpoint, it would be great to see what the maximum torque that could be transmitted, with the restriction of making the gearbox diameter the same as the motor (like a traditional DC motor sold on amazon with a spur gear based gearbox).
@retsetman96983 ай бұрын
Check out the description
@Scrogan3 ай бұрын
You could put such a modulator between the stator and rotor of a conventional BLDC. How extreme of a gear ratio is it possible to achieve? It would be nice if PCBWay or JLC or whoever did silicon steel lamination fabrication.
@emiliaolfelt63703 ай бұрын
if you're trying to get rid of the clicking noise, you could try putting some lapping compound inside and running it slowly for a while.
@byzoliaz2 ай бұрын
Thx 😊!
@FilterYT3 ай бұрын
Wow Dude, nice!
@aydenowens95223 ай бұрын
id be curious what a scaled up version would do. maybe push a go cart or something bigger if done right.
@buchanpeter3 ай бұрын
This guy could easily make a John Searl Generator with those skills :O
@dollymix5Ай бұрын
This could be great for split AC. Evaporator noise are from the AC turbine
@LawrenceKincheloe10 күн бұрын
if you wind coils in a halbach array, you can make a BLDC motor with integrated gearbox.
@retsetman969810 күн бұрын
Exactly, that will be one of my future projects
@elias89812 ай бұрын
Please try creating a hub motor with this gearbox
@annoythedonkey3 ай бұрын
Question would it work to create some kind of a bracket that as the motor spins the centrifugal force would cause the magnets to feather out that would similar to the way a CVT works essentially combining this with a CVT?
@gormauslander3 ай бұрын
I think this is beautiful for applications where you want slip at certain torque loads.
@violinviolator58413 ай бұрын
Yes, slip with no damage, amazing
@arthurmoore94883 ай бұрын
@@violinviolator5841I will note that there are other ways of doing something similar. Many lathes have a system where the lowest gear ratio is coupled by ball bearings pressed by springs into divots on another gear. That way, when I do something stupid, it overcomes the spring pressure and slips instead of breaking the lathe.
@gormauslander3 ай бұрын
@@arthurmoore9488 That's cool. I wonder what applications there are where this is specifically better suited than a mechanical design such as your lathe employs.
@arthurmoore94883 ай бұрын
@@gormauslanderProbably anywhere that slip torque is expected regularly. I've seen the design for my lathe have trouble re-engaging, but it's fine since it's more like a circuit breaker than something I ever want to use. Direct drive, or near direct drive, hydraulics and electric motors could also probably slip without damage, but anything with a gearbox this has potential as compared to clutch pads.
@flukeelectronics88662 ай бұрын
Hello, Is it possible for change permanent magnet to coil magnet? I think about , Replace this in CVT Scooter.
@nigelwilliams79203 ай бұрын
Great work sir! So the gearbox is ‘absorbing’ about 3.4 Watts, which it is big enough to dissipate by radiation. Nice.
@retsetman96983 ай бұрын
Actually not exactly correct, that value of 3.4 Watts is achieved by zeroed the scale, PSU gives 160 ish watts, the motor efficiency is about 35% so the power in the input shaft actually should have be around 60 watts, and with the 85%ish gearbox efficiency so now the loss is about 10 Watts, hope I’m clear
@erickmarin61473 ай бұрын
I'm very interested in the behavior at low revs
@LZeugirdor2 ай бұрын
Do you think a minimized or megamized(?) system could be used to increase efficiency of a hand crank generator? This would be fascinating from a survival energy perspective.
@Ayanaminami2 ай бұрын
This vid got recommended to me out of the blue. I enjoyed it. However I'm not 100% sure about it's application as this is the first vid I've seen. I am a aerospace machinist shop monkey (I make the gears that go into any jet turbine engine. Military or commercial.) so if you ever need any help with that side of things I'll be happy to help. The clicking at the end is likely due to either the amount of runout which gets exaggerated with higher RPMS or (Most likely) the thingy a doo is poorly balanced which is causing runout. And seeing how you somewhat crudely cut those aluminum spacer things I'll be willing to guess that's the main issue. Anyways I love watching these kinds of vids.
@samsonsoturian60133 ай бұрын
The only real world application for this I know of is in space. Where moving parts must work perfectly for decades, but don't necessarily need to be powerful.
@UnrebornMortuus3 ай бұрын
having reliable gears never fail is useful for all of future society imagine building a machine and it just werks with no maintenance, this is a huge step in that.
@rian0xFFF3 ай бұрын
Maybe something that can't be contaminated to oil, like hospital equipments
@UnrebornMortuus3 ай бұрын
@@rian0xFFF true reliability is good for stuff like that but does any of it use gearbox? a similiar yet different variance of this tech perhaps
@lassikinnunen3 ай бұрын
You could spend all those magnets on a servo itself. You could just run the "final drive" electronically directly.. Likewiise you can replace all the middle parts with wires,
@samsonsoturian60133 ай бұрын
@@UnrebornMortuus Dude, magnets have higher friction between them and heat things up by induction.
@evil173 ай бұрын
Great job mate, this is really interesting & inspiring stuff. I wonder if you could play with some electromagnetic coil configurations on the exterior, to possibly add some more torque through a locking type effect like a BLDC motor controller perhaps & add some extra variable torque using a smallish amount of controlled voltage or current to a set of externally fixed coils so you can manipulate a rotating field for efficiency. It may not require a lot of power to give a decent torque increase & being external would lend to easier cooling methods & serviceability. One last thing, were your laminations compressed together nice and tight? It might have been me, but they looked like they could have been compressed a little more. TFS. Sub n like. Cheers
@Hashtag-HashtagcucuАй бұрын
Nice research video🎉❤, can you explain what is the point making a magnetic gearbox instead of cutting conventional gears?
@ahmadhasan32583 ай бұрын
just wow!
@benjaminfoley9193 ай бұрын
Could this applied to something like a bike?
@sepg50843 ай бұрын
Would it be possible to harness the eddy current as electricity? And would it increase the slip torque? But i guess harnessing electricity from it by using copper would also lead to increased heat.