I built a working Hotend out of a CPU cooler!
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- Опубліковано 17 жов 2023
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In this video I try to modify a CPU cooler made for a Raspberry Pi into a hotend for a 3D printer. If this works it has some interesting possibilities because of the heat pipes. These heat pipes move the heat elsewhere, so the filament path could possibly be a lot shorter than usual.
This is the heater block I used for this project geni.us/w7VIYZ Be aware that, unlike what I shown in the video, the pipes can break! I tried it a second time, also successfully, but I might have been lucky!
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That's one of the most gamer hot end extruder setup ever
Having an existential crisis when you realize the engineering challenge you set out for yourself was actually easy is a crazy problem to have lol.
I've been there it's the weirdest feeling.
It's like cheating yourself
The very idea that you can make that extruder with so many parts, make it look so easy and make it without any instructions too is absolutely insanely ridiculous dude!
That whole assembly looks like it was designed by an extraterrestrial civilization 1000 years ahead of us, or an extremely capable Dutchman.
The heat pipes are most likely filled with water (and sometimes with methanol). Definitely not ammonia, as it is used for lower temperatures and, most importantly, it's incompatible with copper, it will eat through the metal (I've tried that, but not with a heat pipe). What you bought is a solution of ammonia in water, which is of no use in a heat pipe (pure ammonia is required). You can put a piece of copper in that ammonia solution, it will turn a beautiful blue colour and the metal will dissolve after a couple of days. Both, pure and dissolved ammonia are corrosive towards copper.
If you broke the heat pipe, you wouldn't be able to repair it easily. They contain a very small amount of liquid, and the remaining volume is filled with the liquid's vapour. There is no air inside, and that makes the repair process difficult. Due to the lack of air "ballast", the pressure inside a heat pipe at room temperature is close to vacuum (actually equal to the vapour pressure of the liquid).
If you could keep one end of the tube at low enough temperature, you should be able to anneal the another part of the tube safely, provided that you will not damage anything else by the application of heat. However, keeping one end of a such short tube cool may prove difficult, first - due to the high thermal conductivity of copper, and second - due to the heat pipe action, as it will still work, albeit to a much lesser degree than in its intended operating conditions.
Thanks for the info! Shame that I never got to that point of finding that out by trial and error.
As if this is the only one you're gonna build lol@@properprinting
@shogoonn I need to repair my fridge in the Winnie that lost the containment, it is ammonia and hydrogen gas. Do you have any resources that can help me find a diy for this?
It seems to be a state secret. :)
Does it mean that the liquid in the tubes can be replaced with liquid with higher boiling temperature? And high stability and safety over 200C liquid? Like white spirit solvent or ethylene glycol
@@user-nl4rs4nt6i
Water will do fine at 200°C, the heat pipe will run at a pressure higher than atmospheric. That's not a problem for small diameter tubes. I have some water filled heat pipes from Quick-Cool with working range from 5°C to 250°C.
Otherwise, yes, you can have heat pipes with other liquids, including liquid metals.
Filling a heat pipe is a complicated operation. It requires a filling station with a vacuum pump, liquid metering equipment, some valves and the ability to close to heat pipe after filling.
First you have to pump out everything from the heat pipe, and heat it to a higher temperature to remove any residues adsorbed on the surface, and then you close the vacuum and open the metering vessel, (a small one) which transfers the precise amount of liquid to the tube, and then you close the tube (pinch and weld). There are other methods of filling, but this one is AFAIK the most common one at the factories.
You could fill a heat pipe at home, which I've done successfully, by partially filling it with the working liquid, heating it until the liquid boils, and then pinching at the top, when enough liquid was removed (that's the difficult part - knowing how much is left), and then welding. The vapours of the boiling liquid will displace the air from the heat pipe. Instead, if you have a vacuum pump, you can add a slight excess of a liquid to the heat pipe and then vacuum it and seal it.
Not only looks the cut parts very good...the clockwork looks equally impressive!
Thanks!
Dude, your projects are next level!! 🤘😎🤘
Can't wait to see what's coming.. 👀
Thanks Adrian!
Just FYI the amount of fluid in a heat pipe is tiny. Very little in there, and its usually under a low atmospheric pressure. It is almost always water as well.
Good to know! I was hoping to get that on camera that nothing was coming out, but it just worked xD
Clicked for the craziness, stayed for the insanely good production quality.
I wonder if Delrin sheet might work better due to the built in lubricity? Always love the ideas you bring, keep it coming!
I already bought Delrin sheets because of that! I want to combine it with carbon fiber parts for stiffness. I reckon that this will look very techy!
I cannot wait to see how that looks! @@properprinting
@@properprinting mmmmmh carbon fiiiiibreeeeeee
@@properprinting Laser cutting Delrin seems like a fun way to make some nasty fumes so be careful.
Going to laser cut already cured carbon fiber sheets? That would be siiick. Such a good visual effect and so sturdy.
Add an active cooler using a fairly large wattage thermoelectric device with a cold finger to cool the incoming TPU to stiffen it prior to it entering your extruder. It's mandatory to add more RGB LEDs on the TEC hot side fan though 😉
i love seeing the components scaled back up into something more mechanical looking.
10/10 drilling a hole B roll. You got yourself a new subscriber.
I had this idea two years back, I even purchased cooling tubes! ready-to-use cooler..... respect on this!!!!
Frickin' awesome, as always! I love seeing the iterations you are going through and am quite impressed.
It's always a good day if a Proper Printing video comes out. Enjoyed it, thanks!
yes this
Another great video! I always enjoy watching you try ideas that are different than anything else out there. Keep them coming!!
Man, I love watching each and every video you make. This project was so fun to see!
Fantastic stuff, Jon. I really love watching you tinker and develop; you think of stuff no one else does!
Another amazing creation! I love your content, and your filming format is the best I've seen in the 3d printing content world. As always, I can't wait for the next video!!
I love seeing what new crazy ideas come out of your head. Your videos are always entertaining.
I love this kind of engineering development. Great work and keep us up to date with your progress.
That extruder is a brilliant mechanical thing of complex *beauty.
*NOW with extra RGB 🙂 !
Man, you are doing brilliant. Its realy inspiring to see the progress on turning a cool and realistic idea into a real product. Thanks for your great contents.
A few things. Heat pipes require a certain heat load to reach their max efficiency, You can also buy them online so you don’t have to worry about work hardening as much as a pre-bent pipe.
Regardless, amazing work like always.
You're right and I want to design my own heat block and use individual heat pipes. The temperature range depends on the fluid that's being used. Methanol, ethanol or water is within the temperature range of this use case and I assumed that it must have been one of these fluids. No idea how efficient they are at which temperature though.
@@properprinting i love it =D you might try some thermalpaste in the thread its messy but should improve thermal cunduction
Yeah I think I saw Conrad Elektronik here in Germany (active EU wide) sell individual unbent heat pipes not at all too expensively in any number of sizes, already 20 years ago. I had some thoughts and plans but never got around to make a custom heatsink.
@@properprintingCould it work with peltier?
@@mtmtrx I haven't tested it, but from what I've heard this is too much hassle with almost no benefit. I was thinking about doing that, but ditched the plan.
Have to say, that flexible filament is super extreme for any extruder. Great stuff!
Sick as usual! Very cool concept to take a CPU cooler for a HE cooler! I'm surprised it didn't break when you bent it! Eager to see your next progress video!!
Very cool! Love the design, great job - looking forward to seeing the final product!
You are one of the most AWESOME creators! I love your innovations and we need MORE of this in 3dprinting. Keep doing what you do!
brother, I know I always repeat myself, but i am a proper fan big time !! Sick video again. Your movie making skill always impresses me. Keep being awesome and making stuff.
Thank you Simon!
You deserve a lot more subscribers. Thanks for the work four years ago on improving the ender with belt driven dual lead screw. Very educational.
Dit is echt supervet, blijf alsjeblieft zo doorgaan met zulke geweldige ideeën vezinnen en er goede video’s over maken!
1:58.. annoyed that it didn’t break😂..That’s just One Of Many Folks.
The Subtext..The Symbolism…The Dark(and bright) comedy.. The Washing Machine commercial..
The subtle genius of this channel Never Fails to Bring a Smile!… A pretty big one.
I pulled out the piped/Copper Heatsink and Fans from my old laptop and thought of doing the the same!.. (6months Later, still in my box)😂
RAD🤙🏻
GZ on this working Extruder!
Cool idea with CPU Fan!
My Man, you have a great channel! I watch all these "channels" but this one I get excited for! With you, I see completely original concepts and ideas executed. That extruder assembly literally got me excited. I don't mean like that, lol. I want to build one like right now!!!
This is a work of art! It looks beautiful
Looks absolutely stunning.
Amazing projects every time 🎉 I hope to see you do more testing with it. Looks great 👍
Awesome video production you have cool cinematic shots and cool vibe music its pleasant to watch.
The editing on your videos is perfect.
Thank you for producing a great video. Open box ideas.
This is a really awesome video. I'm always excited to see your latest work pop up. Few issues means you might even be getting good at this. ;)
Simple but novel idea. Your videos are always amazing. By far the best 3D printing channel.
THIS is what I call functional art. Love all of it!
Congrats! 🎉 I love the extruder. Also your face expression when things actually work the first time... 😂
That is one insanely beautiful extruder/hotend! 😍
beautiful design, and excellent videos. By the way, drilling and tapping a hole in a badass edit is always fun to watch lol
You are a breathe of fresh air. Always really cool seeing your vids
That black light was a nice touch.
That acrylic extruder looks soooooo good. I need one
I really like this extruder and what you are doing.
I cant wait to purchase the exteuder kit, receive it, assemble it and mount it on my DIY 3D printer. 😊
Looks stunning!
Great video , as always.
I have never seen such a beautiful hotend!
Very revealing. Very honest. Thank you.
Outside the box engineering! I love it🤘
Insanely awesome stuff - that content is art !
Thanks Albert!
Keep thinking outside of the box just the way you do. Great video!
wow this is a work of art!!!!!
Leuk project man!
Brilliant idea again! Soon it'll become industrial. Adding heatpipes even spares some metall mass on hotend radiator because it cools much stronger on the place needed instead of cooling a 5-7cm radiator pipe. Besides getting the radiator out of the main heating zone gets it cooler and simplifies the setup.
Nou godverdomme dat is hartstikke gaaf. Gefeliciteerd kerel met deze unieke hotend😍📶💪
Simple and effective, I wonder how this concept will develop. I'm really liking the direction you're going with this design. This new iteration of the extruder looks good, happy to see those flanged nuts worked out :)
These flanged nuts are a life saver! I'm also using them now in 3D printed parts. Thanks!
You are awesome, very nice extruder 😮
Wat een idee om het op deze manier te doen, gaaf ook dat het gewoon werkt , mooi project en leuke video
damn thats fantastic, looks nice too!
Yay cool printer things!!
This is work of art 🎇
i liked this video a lot ! thanks for sharing
I love how the one thing that went badly wasn't even part of your project
You're a genius man... That thing is a work of art and it works pretty damn well! Brilliant video too, as in quality. Can't wait to see how it turns out.
A few well placed LEDs would make that thing shine! 🔆 👍👍
Je creativiteit blijft me verbazen. Lekker bezig!
That hot end is work of art! One might even as its a cool end. Iykyk😂
The extruder is a work of art :)
The failure of the flex attempt may be related to the upper filament path. Since the friction of the flex material is very low, it should not get stuck anywhere, so even the positioning of the filament above might be good improvement.
love the acryllic
Great idea!
Interesting idea. You could also get heat pipes that are by themselves and attach them directly to the heat break. I suspect that might cause more clogs though.
I see that block becoming quite popular 👀👀👀👀👀👀👀👀
8:07 "This is a weird video." LMAO! Nice when something actually works. I hope you find a new challenge soon. Love the videos.
Love the videos and good ideas. You should try one with flexible hose for the water cooler and a really bit heat sink and fan mounted to the printer frame. Less weight on the extruder and even better cooling. As long as you don't crimp the hose at least
You never fail to amaze me!
Neat! Looks heavy!
without watching the video i know its epic already 😊
Pymp mah Printer!
Sweet! And it printed 1st try without all the problems! Great job!
Keep em coming!!!!
It did and I definitely didn't expect that, thanks!
Wait I love it. Really good and cheap DIY heat sink. Revo hotends go for like $100+ and you made one for less then half that
And it's also not that hard to make one!
That assembled acrylic sure looks sexy. One easy thing to tweak; those free hanging copper pipes look cool but unless that heat sink is bolted onto something they are going to result in some low-ass resonant frequencies ringing all over your part.
2023 UA-cam is becoming good again. The fact that this video was recommended to me is awesome Finding lots of cool channels recently. Great video!
Nice to know that it showed in your recommended feed. Thanks!
It's beautiful! Take my money!
Oh this looks cool
Great job. Its a masterpeace in technical aspect and it is art. Maybe for your next video, you have the chance to make a flir picture or video scene?
Thanks! Funny thing is that I am using a Flir camera for the upcoming video, but it will not be about this extruder. I made a short clip with the Flir of this extruder and it was indeed around 30 degrees, but decided not to use it because it didn't fit this video well enough.
@@properprinting cool. Thanks for this info. 30 degree means that this thing will work perfectly. Nice work
There is a red copper in the middle of an athlon 64 cpu heatsink. The size is ideal for a hotend, you only need to drill and tap here and there with a bench drill.
Fantastisch! En het ziet er ook zo graaf uit! Jozef Prusa kan hier nog wat van leren!
I love that you were dumfounded that the project went too well🤣 it seemed like you were on the verge of an existential crisis
you cand use a peltier module has a heat break?
Hi dear! Did you do printing with the retract mode? If yes, try to switch it off with the TPU.
Very inspiring!
Thank you!
Beautiful
god DAMN that looks so sweet.
I know that TPU loves to be printed way slower than you would think... That's all it could be. It doesn't melt as fast as other materials, so that's why the slowness is needed. It's not about the extruder not pushing it hard enough. It's about the hotend turning it into liquid fast enough. If you go hotter, it might burn. But you can do testing in both ways.