Making 3D prints actually waterproof
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- Опубликовано: 15 фев 2024
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Here are all the models from the video: www.printables.com/model/768471-waterproof-3d-printing-tests-oceangate-titan
Have fun and don't make full scale models!
Studenci PG na Traugutta? 🤣
Whahahaha oceangate test models 😂😂
Pro Tip: When staying in one unit, positions after the decimal point are called out one by one. So 0.25g is "zero point two five gramm" otherwise good luck with pi. ;-)
With money, you change units. 3,75€ is three euros and seventy-five cents. That's why "three seventy-five" is ok. Same with hight.
oh no mini oceangate sub has imploded
why not paint the 3D print in a layer of epoxy to fill the pores?
I like how he prints the scissors gripper to prevent himself from touching the dichtol but still dips his fingers in it to use the grapper
Why use the appropriate gloves when you can over engineer a solution, right?
@@BrunodeSouzaLinoengineer a solution then not use it.
This is the first video I've seen on this channel. Is it a parody channel?
The switch from "this stuff will kill you if you touch it" to "I'm too stupid to care" made me legit angry. There's also other weird inaccuracies in the vid that ppl who know about water pressure should know better than. If the whole video is parody then that would make sense.
edit: it's possible the other inaccuracies were just language issues tho.
@@roidroid ok sure thing blud
@@roidroid Bro doesn't understand jokes
That creation in the thumbnail is absolutely *imploding*
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That 3D metal sub was cool. You're probably right that it could go deeper then the real thing
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@@Bafbm335 💀💀💀
Is the bottom of the ocean not deep enough?
@@CarlinPlayz💀
@@jeremy6384 nah. Gotta go deep. Like Europa deeper. I'm pretty sure those oceans are much deeper then earth's
I love all the little jokes and reverence in the video, makes the video way more fun to watch and gives a nice atmosphere.
I can’t say that this atmosphere is ideal, but at least it’s better with it than without it 🤭
In industry, reinforced O-rings are used to seal vacuum lines. These have a metal ring on the vacuum side that prevents the seal from slipping.
google centering ring ISO-K to see it
Doing second process with the dichtol stuff probably will seal it even more.
Btw. another technique to seal a FDM 3DP is by printing it in ABS and then doing acetone smoothing, it dissolves surface of the part and once dried creates solid layer all around.
Would be quite interesting if someone made a full scale model for testing!
I would use carbonfibre for the hull, since it is pretty stronk. Also it doesen't like to deform 🤡
I can take millionaires for rides in it!
It's pretty expensive, I'll save money by using an xbox controller to pilot it.
@@happninmojo genius idea, we should start a company but what should we call it 🤔
@@draco5991rep The name should reflect that we are a gateway to the ocean, any ideas?
Props to JLCPCB/3DP for supporting this channel, shame others wouldn't because you folks are doing an amazing educational and inspirational job combined with top tier engineering.
Love your sense of humor.
0:55 better performance than the real thing
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That’s crazy
Cheers from the openROV team. We actually thermally annealed our PLA to waterproof ours back in 2014, and this worked quite well by boiling them in hot water just to the point of deforming and then letting them cool. If you get the temp correctly it will work, though less well for solid fill.
“i think it will collapse”
E
A
Sports it's in the game
Please pay 500 dollars to continue
To both prevent water damage your electronics and make the sub survive a deeper dive you could submerge the electronics in baby oil.
Then the submarine drone don't have any air in it, thus can not break from over pressure.
Or ordinary mineral oil, to avoid that smell reminding you of changing time and diaper rash.
It's the same thing used in some dive watch, it prevent them to collapse, and since oil dont mix well with water it also prevent small water drops to enter.
Also get a better receiver so the controller dosent disconnect
The sub I think comes with a Xbox
Panowie wysoki poziom. Fantastycznie opowiadacie o swojej pracy. Czapki z głów. Powodzenia
A najważniejsze jest to że on jest Polakiem najprawdopodobniej
He is polish
@@beatrizmf9965 okay
You can put the print in dichtol and put it in a vacuum chamber. This allows air to escape from the pores and at normal pressure the dichtol diffuses into the pores.
it's awsome to see you guys continously working to improve your underwater drones
You could use a "clear transparent" setting for getting a really solid print which reduces gaps in between layer walls
For the O ring, you need to design the seating of the seal in such a way that the pressure of the water tightens the seal. then the higher the pressure, they better the seal.
Finally waiting for you to release a new video. I'm so excited.
I used to repair cracked/seeping plastic fuel tanks by pulling a vacuum on it, then applying epoxy. The same could be done with your printed vessel and the dichtol. Also pressure regulating the hull is a good idea.
When using a gasket or o-ring, you need to design around it with a groove for it and having multiple sealing layers. You want to maximise the path the water takes to get in from a deliberate opening.
I have some reasons for love your videos:
1. Good video editing
2. Stilling voice
3. Gripping content
You could of use resin printers because it just prints each layer in a second because it uses uv lights to solified it
Funfact: opensls brings sls printing to the hobby space for 2000-2500 euro. Print metal at home with lasers!
One note about o-rings and other rubber seals, the one you used looked more like a EPDM "string" rather than an o-ring.
Way better to design around an off the shelf available o-ring (proper one in fairly hard NBR or similar rubber) than trying to glue something together.
Glueing seals with CA glue or really any glue that is harder than the rubber will be a problem, it creates a hard point that almost always leaks.
The usual way of doing it is to have nice cuts that mates well and make the seal a bit to long, so the ends gets compressed into each other. No glue :)
Or getting some way to vulcanise the rubber together, but yeah :P
"creates a hard point that almost always leaks" sounds right, but is completely wrong. I've worked at Engineered Pressure Systems ( EPSI) at Sint Niklaas for seven years and we ALWAYS glue the large O rings (Nitrile cord) with a standard cyanocrylate glue, because noone makes standard O rings with a 800-1000 mm diameter at an acceptable price and delivery time. Perpendicular cut with a sharp knife . These O rings will easily seal high pressure vessels up to 9000 bar (900Mpa). BUT you need a very proper fitting groove and the exact amount of compression for a proper seal. I don't think he used an EPDM cord, but a nitrile one. Of course you're absolutely right about designing around an off the shelf standard is always better . In this case I 'm pretty sure the leak comes from the fact that his O ring is rather thick and not properly pressured ( seriously only 4 little screws holding the lid down ?? )
Everyone has been made for some particular work, and the desire for that work has been put in every heart.
I just painted the FDM prints with thick paint & brush when I need it to be water/gas-proof. Works every time.
Awesome!! Super interested about your DIY Pressure chamber, do you have any vids/posts talking about how you made it?
I love your videos guys, and the scientific process you guys have and the documentation as well! Keep it up!
The vase printing method made pretty waterproof walls even it was only 1 wall thick. It leaked a bit, few droplets on walls if left for hours but it stopped leaking
That submarine design is amazing I bet it would make it to the Titanic
hahahahahaha
ermmm actually, the Titan did actually made it to Titanic multiple times 🤓
you have the polish version of "la gotita" (the superglue), I didnt even knew it existed
im flabergasted
Guys, there is a Prusa wiki article for the infill types in 3d printing. THere are a few that are extremely well for filling up the infill part with something.
This way you can print your model and fill up the "infill" space with 2 part resign. After curing it should be pretty much waterproof inner skin of your model.
Incredible video !
With the Oring test i think it might be better to either use more screws or maybe even print the entire cap with a built in thread, since it only needs to tighten enough to press on the o ring consistently.
You can look at watch caseback designs here. The caseback has a thread and screws onto the case, making enough pressure on the (sometimes multiple) O-rings to withstand immense depths. Most common dive watches are certified to 200m but it is not uncommon for them to go to 600m. Some of them like the omega Ploprof or the rolex deepsea can go far deeper than that (some have been taken to the mariana trench on the outside of a submarine)
These dive watch are often filled with oil to prevent them to collapse, and since oil dont mix well with water it also prevent small water drops to enter.
This is probably the best Dichstol advertisment
Loving the content, shall be binging and looking out for more.
This is cool going to have to build one.
She felt that chill that makes the hairs on the back of your neck when he walked into the room.
very cool, glad i found your channel!
Super excited to try this product, but cannot find a way to get it in Canada!
I needed to make prints air tight under significant pressure, I found a few layers of spay clear coat automotive paint works well.
Could you give me some advice or a video on how to build the device you use to test the waterproofness of prints it would help me a lot for school
Tbh the Way you do the Drones with the watertight pressure resistant tube inside the shells, is how actual submarines work. Like for ex the Russian typhoon, is an outer aerodynamic hull and stealth hull. And the there's 3 or 4 pressure tubes inside, and ut doesn't that wat natter if some water gets trough the first layer
Did you try annealing it by baking the print buried in salt or really fine sand? One alternative to try would be removing all the air from the print whilst having it submerged in stabilizing resin, then baking it. In theory, that would do the same thing as dichtol but less dangerous, as you'd be filling all the pores in the structure with resin, then crystalizing it into the model by baking it.
Ok, now i need to buy this dichtel for my outside encloses!
Impressive work. I've been around a long time and you guys are OK. Keep going.
What if you put the dichtol in the pressure chamber with the printer? That way im guessing you force it into even more cracks
I love the subnnatica reference!
from my pov, only abs-like and the Siraya Tech BLU (the one in video) are kind of usable for mechanical purpose while stay with relatively cheap price.
Otherwise, I would have gone for esun PA100 nylon/esun hard tough/Phrozen Onyx series for something as critical like this.
Also, those UV resin perform differently over time even without sunlight shining on it. I usually let it dry for a few days instead of using UV cure station. anti UV clear paint is another trick to stop its curing over time. Although UV light can cure the resin, it is still polymer which can be break down by UV light. So when curing as thin as 0.8mm/1mm, you can easily over cure some part of it and causing small cracks(since the UV light isn't spread evenly on your print), hence, brittleness.
hi, great video. What filament are you printing with? cheers Paul
If the pressure doesn‘t matter thaaat much you can just dip the printed parts in some resin or even coat it from the inside as well.
I assume the rubber oring shrinks faster under pressure than the submarine
Pressure from the outside may have a different effect than pressure from the inside afterall
How did you install the O-rings? This is the crucial part. Remember its about which way they are squished that makes them work properly.
Do you have a link to the pump you are using and some more info on the tank you built?
can u make a video on how you made the pressure chamber
can you help me find some guide related to this water enclosure that you put your part in it ?
My first idea was using lightweight PLA (with deliberate foaming), and then dip it into - or paint it with epoxy, which will be absorbed into the print, making it very solid and also waterproof.
Hi, Thanks for the video and all the good work.
It might be a stupid question but what about remelting the print in salt, or/and intrelocking the print layers like shown by the CNC kitchen ?
Thanks in advance
Behind the window was a reflection that only instilled fear.
I too love nylon but I alos love this video
Really really Awesome!
Keep it up :D
The design is very human
Fr lol
Super materiał. Przyjemnie się ogląda, tak 3mać:)
Jako że pracuje w różnych technologiach druku 3d to podpowiem:
MJF, SLS i SLM to technologie druku w proszku i nie da się drukować w nich zamkniętych pustych przestrzeni jeśli nie zrobi się otworu na wysypianie nieutwardzonego/s topionego proszku. Więc jeśli rozetniecie te wydruki to albo wysypie się z nich proszek albo technik w firmie zauważył ten problem i poprawił modele że są pewne w środku bez powietrza i bez luźnego proszku. Powodzenia w kolejnych eksperymentach!
THE PHOTO AFTER HE SAID ITS LOOKS PRETTY STRONG OMGGGG
0:32 I’m pretty sure your hull is more resistant than the real ocean gate one was
Did dichtol Made the prints more resistant with dry tests? Should do a test.
these are the only ones that you should use a logitech controler for
have you tried printing a part with fdm then coating it with resin and curing it? This would fill up the gaps pretty well. I haven't tried it but it could work
any details available on that water pressure chamber? is that a DIY or bought? would love to get one myself to run additional tests!
have you tried annealing your 3d prints? I've had decent luck with annealing in sand (to mitigate warping/shrinking) at 100C°
Bro is so good at 3d printing that his ocean gate didt crumble
Did the Dictol (or whatever you call it) increase the strength of the part, as well as water proof it? Did you test that? I’m excited to try that.
Have you tried acetone smoothing the inside of ABS printed parts?
It might be waterproof, but it isn’t pressure-Proof
Holy c, this video was so good. What material did you use, as I see Dickgreat does not support PETG? Also, what material O-rings did you use for the door submarine?
Did you try phapor smoothing?
nah, the titan sub was crazy
I'm not sure if they have it in your country but for my 3D printed RC boats and submarines I use flex seal spray the clear kind it's like a rubberized spray
i sawed this boat in half!
Rather than trying to make the electronics container conpletely water proof, have you considered using a high pressure gas supply (CO2) cartridge for example with a regulator to pressurise the inside of the container to maintain an acceptable pressure differential between the inside and outside? Using an automatic vent valve to perge the pressure as you then come back up. Your depth limit then is really the pressure of the gas in your pressuising 'air supply'. Look at how a diver in a dry suit stops getting pinched by his suit as he goes deeper, as well as controlling his bouyancy. Just a suggestion.
For depthproofing the electronics capsule why not fill it with insulating oil so it has internal hydrostatic pressure to resist water ingress?
At what point will you mount that underwater 3d printer to your ROV?
Can we just proload the pressure inside the hule so only air leak out instead of water leak in.
Bro, did not just reenact the Titan sub
You can definitely eliminate those pores by tuning your 3d printiner, jacking up the nozzle temp a little higher than usual, increasing the flow rate, and decreasing the print speed. I had to do this for something I print for my company.
What flashforge printer do you use? My school uses the adventurer 4
I think there's one more thing you could try. For example, placing a thin model of a bathyscaphe inside would create areas of artificial overextrusion in the shell, possibly making it less porous overall.
Can’t you just put fiberglass or sum?
Haven’t watched yet, but in our testing.. vapor smoothed MJF nylon is the best waterproofing we have witnessed
What type of printer did you use to print the subs?
People take different roads seeking fulfilment and happiness. Just because theyre not on your road doesn't mean they've gotten lost.
You should use a vacuum chamber to soak the dichtol into it faster
i wonder what the performance of a nontoxic conformal coatings or nail polish would be on water proofing it, i've used both to effectively weatherproof pcbs and it could be a less toxic alternative to the dichtol stuff
Are any of the powder-sintered ones actually hollow though? Technically they should be full of unsintered powder with how those machines work, each sub would be sinking down into the powder bed and having powder pushed into it per-layer, then sealed up while still like that..
What about putting dictol in pressure chamber ,drop hulls in ,pressurize for a hour then dry and test???????
What type of filament were you using?
Adding some bags of desiccant on the inside should resolve the moisture issue 😉
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What type of plastic did you use for FDM printing? This is a fundamentally important issue, since of all plastics, only PETG provides the best adhesion between layers.
What if metal plating the submarine, I don't think iron man drinks water.😂
I wonder if the print would be more waterproof if you pressurized it directly in Dichtol at low bar for a longer period of time?
Also, love all these videos, keep it up!