Double Piston Hydraulic Cylinder - How does it work?
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- Опубліковано 2 жов 2024
- Even if we have made hydraulic pistons in many of our previous videos this one has some specialties.
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#makeitextreme #makeitextremeshorts #hydraulic
Did you hone the cylinder bores? A good dingle balling then a flat hone. Keep those seals intact for longevity
Those seals will be in shreds in no time.
You make it so smooth that it looks easy.
Now my curiosity is really peaked for the purpose of this build. It's gotta be something really cool 😎.
LIke my thoughts also...
Maybe it's just test piece for larger project.
It has almost twice the pushing power then a normal double acting piston. , but it's allot longer. Can be handy in some situations where you need lots of power and don't have the space for a bigger cylinder.
????????😮😊
Дружище, давай что-то более утилитарное, как раньше. Транспорт хорошо заходит.
Always the best 💪🏻
Did you cut out the part about honing the inside of the cylinder because I can't see this ram actually lasting very long before the seals wear out and start leaking passing over a standard inside pipe finish...
its a hydraulic cylinder tube, is already smooth inside.
@@petrosant123 because welding doesnt distort metal.. yeah… best practice is to check and rehone the barrel
I bet it would last long enough for what he is gonna do. And if it doesn't more content for us then.
@@Tgiles13 lol of course it doesnt.
There is so much more wrong with it. Did you saw at 10:30 how he had to bend the piston rod to assemble it. It will start leaking really soon. Video is looking nice and people who don't understand machining are liking it. But this is not the right way to make hydraulic piston. Most of it is wrong.
From design, editing, to the final product, there's never a disappointment. *Well done.*
И что это было?
Aw
Aw
Aw ja
ពួកែធ្វើបូមណាស់សូមសរសើរៗ
I have honestly never seen a dual piston hydraulic cylinder used anywhere, so its gonna be real interesting to see what you have in mind here.
because its useless
@@blackdaan в рулевых усидителях грузовиков и автобусов не редко используются. Вряд-ли бесполезно
@@blackdaan yes and no, it will make double the force of a single piston in this case
@@blackdaan Such hydraulic cylinders are used where a large force is needed, but a sufficiently large cylinder diameter cannot be used.
In this particular case, bad seals are used between the first and second parts. the oil will overflow from the second to the first
@@motomaniakpl diameter is needed for force. Double cilinders will increase the speed by 2. Bot the force by 2
Безусловно очень аккуратно и профессионально. Однако отсутствие зеркала самого цилиндра вряд-ли позволит ему долго прослужить. Момент с ханинговкой либо вырезали, либо его просто нет.
The first wrong thing in this video is the lathe operator handling this chrome bar in jaw chuck with no protection on jaws. I work in industry with those things and cylinders and this is awfull to see. Always handle chrome bars with care and protect them from slaming or making literally any traces on them. Even a slight mark can make cylinder useless by scraping seal - we can see marks on rod too so this is bad already. (Normally any company that deals with rods and cylinders would scrap that rod immediately coz of risk breaching the seals, or in big dimensions they would re-chrome whole bar) . Second thing is terrible design of sealing. I see you guys are using bought up parts and for home use of this equipment it will be fine. But Im certainly sure that chambers are not sealed properly. Bottom head seal is direction seal and there shoyld be no wiper at all but second directional seal against upper chamber. This build is compromised by this and can be potentiolly dangerous if scaled upward in dimensions. Don't do that ever again, make individual head with sealing groves and instal double U seals. one for lower chamber and second for upper. Second head which is on the outside is ok.
Your al projects are amazing,please make model jet engine even I also want to make it
I have an idea with hidraulics for you that can be selled worldwide
Great work. Very inspiring!
the story of the overly complicated bong
Awesome skilled video. Not everyone can go all vid with no speaking😅Is it destined for use on some massive machine???ThankQ.TkEZ>UK
Did you feel the Earthquake happened in Turkey a week ago ?
Сердце кровью обливается когда сначала делают мехобработку и потом сваривают детали
Wow! Good job! I build my machine with pneumatic drive
Great video. But disappointed in the product. With your lines this takes up a lot of room. Could have just used a slightly bigger diameter and had the same amount of power.
I’m guestemating but the total surface area increased by doubling up the piston that way was only about one third more not the double you’d expect. This would be more of a benefit in retract than push as it is truely double in that direction.
Considering all the extra piping it’s doesn’t seem like much of an improvement in size reduction over using a tube twice the diameter.
I think if he uses the same hidraulic pump, it doesn't increase the power.
@@tareksma1 . The pump size only really matters if it is too weak for the task.
Well. Clearly if you do the math then 2x diameter is MUCH more than 2x the volume so in a Captain Obvious way you’re correct. 🤦♂️
@@Crewsy . It’s not so obvious.
The force is exerted on the surface area of the piston, the larger the area the greater the force, however on the second serial piston the surface area is diminished by the piston rod , you would actually get more force out of two parallel pistons than out of the serial setup.
There is something that I almost completely forget about how to calculate the force on the second piston however.
I kind of remember something about force being slightly greater than the total surface area of the piston with the rod taking up the middle of it. It is less than piston with the full surface area available but more than only the available surface area would suggest.
@@anomamos9095
You’re overthinking it. It’s obvious that a 6” circle has a much greater surface area than two 3” circles so doubling a cylinders diameter will way more than double its pressure.
You specifically mention “using a tube twice the diameter.”
Good job, but just one thing the chamber of the piston will not be ideal because the inner surface is not smoothly so it will damage the seals in small time
I thought the same thing, but we can only assume that a man that can build hydraulic cylinders from scratch knows that and probably polished them off camera.
@@darylcompton3433 yes I agree , really it's great job
My feelings as well about not polishing the cylinder bore. Otherwise a very interesting build. Like many have asked what is it for.
@@darylcompton3433
You know what happens when you ASSume.
Another comment mentions that the “pipe” material he used is actually material made for hydraulics so it’s already the right surface inside.
I ASSume that’s correct. 🤷🏻♂️ I certainly can’t dispute it.
397th viewer and the 9th posting a comment!! Let’s go Make it Extreme!!
Nice. What is your fallback colour in case you run out of that green paint?
Prob has a closet full of the shit since its such a big part of his brand.
Double piston double acting cylinder.
Request: can you do the same but with steering rack and steering pump powered by small motor for DIYers?
Работа конечно хороша,но остался вопрос "нахуя"
listen to the boss,,,,, don't forget to stop by for black coffee together... goes duit and goes natural so that you will increase your enthusiasm for work and add brothers thank you very much
Do you actually gain more with this? Looks like it would be more economical to have a larger diameter cylinder than to have a cylinder twice as long with half the stroke unless you just gain exponentially with it? Just trying to visualize where this would be best beneficial is all. I could see some machinery benefits with diameter space savings, but again losing a lot with length.
Fantastic work, dude! Really impressive!!! 😃
Stay safe there with your family! 🖖😊
But why? Not much extra power available with that piston to shaft ratio.
Cool video
Music was horrible
Why are there 4 hydraulic inlets rather than 2? 1 in, 1 out…. 2 in - 2 out???
Nice work, and we rarely see these homemade. We shared this video on our homemade tools forum this week 😎
Hands up if you remember the death metal videos ? OG’s where u at ?
Сделай механическую беговую дорожку
Легко и просто и по красоте
Хорошего токаря щас братва с огнём не найдёшь, а этот молодец
Did you use seamless pipe or tube? Honed or not as doesn't look like honed pipe from what I could see. Maybe isn't that big of deal. Neat build! Never studied hydraulics in detail and makes sense for a more compact diameter size.
@@illudedCeption its a hydraulic cylinder tube, already honed
@@illudedCeption 100%, i know the guys
@@illudedCeption the know what they are doing, they would not use wrong materials for this
@@illudedCeption Chill dude, want me to give you the specs of the tube they used? I can do that. its actually welded cold-drawn polished steel tube.
The cylinder should be skived and burnished to provide a suitable surface for the seals.
Very nice, as always. But I don't really see the point of it, especially without a description of how it works. Thanks though. Regards.
👍👍😊😊
Please, I want your help. You have more news than me. I want to make a 400ton press. I want your help.
Как это применять
Great!
So what’s the point?
something tells me you did this on your lunch hour!
Can get me model name of your lathe you used almost in your videos. I need reference.
It's unpleasant to watch when the video has too many blurred moments. Just a tip...
Are you from GREEC
Ok, I need to study a bit what's going on here.... :-) Didn't get the 4 connectors thing.
Wow great build
What does a double piston ram gain over a conventional ram please?
Double the surface=double the force applied on the ram.😏
@@jocelynbutty thank you.wouldn' it be just as easy and cost effective to use a slightly larger ram?t
@@jocelynbutty not double, you need to retract the area of the rod.
@@philleeson7835 I think that was the point, maybe you need a really thin cylinder for some reason, this is one solution for that. Not sure he has a practical scenario, more like a proof of concept. 🙂
@Jocelyn Butty but it's actually only double the surface area in the retracting/pulling direction and like 1.5x in the other(ruffly without knowing piston and rod sizes). The second piston has the rod on both ends, giving it less total working surface area.
En cual parte del video realizó el pulido interior del barril (cilindro)‼️⁉️❓
#makeitextreme More power with smaller cylinder diam? Or did you mean speed? Because of higher velocity from flow?
Just wondered or am I wrong?
Always enjoy your videos thumbs up from me
А это нахрена? Длина в двое больше, а мощности только в 1,4 раза больше. Вот если бы площадь поршня в два раза увеличил, тогда бы понятно было .
Is pipe polished inside? How long gasket can work if not?
I was wondering if honed or not and if tube or pipe since looking online appears both tube and pipe can be used for hydraulic applications.
Хорошо хорошо окей окей я думаю вы успеете потому что оборудование доставили остальное от вас зависит мы надеемся что логисты и трансфер будет во время 🕘
so... Double the surface for double the "output power" for the same diameter.. What's the purpose exactly? If it's compactness, you ruined it by having the inlet and outlets so HUGE. You could've mounted them 90 degrees so the pipes are hugging the pipe. You had welding control of the entire project.. You made it well, atleast?...
Excellent work. Oh, I almost forgot. Congratulations, Happy New Year and welcome to 2023.😀😀😮😮😃😃🎆🎆
Great job! Congratulations, a question inside the tube needs to be given some kind of finish, or polish, what kind of tube did you use. Hugs Vicente (Brazil - BR)
En ninguno de todos los videos de estas construcciones se puede ver el producto final funcionando . Esto es un defecto insalvable de estos videos . Queda uno mal . Es una gran decepcion despues de esperar todo el video que no se vea el producto funcionando , ya sea un vehiculo o una maquina , es frustante y por eso !!!!! no los vere nunca mas .!!.
next project. you should build a low cost mechanism to raise or lower a desk. maybe air hydraulic , electric gears, old school industrial crank wheel. that would be awesome
make it in style of citroen c5 suspension so it floats :O
Don't forget about their extreme workbench build. Perhaps this could be an upgrade for this. ua-cam.com/video/38yPR25VSw4/v-deo.html
Excellent job. But why compression fittings?
Just for testing and not to make a mess with hydraulic oil.
Good ii boss MIE💪💪👍👍👍✌️✌️
isnt the UN-seal leak to she otherside, cause it can handle preasure only from direction of the V-grove. What for you put that dustseal in there at the middle?
Somone should show the hacksmith this...they have been having alot of issues with hydraulics and would love this!!!
I have been subscribed to your channel for years but for some reason your last 4/5 uploads haven't show up on my subscription feed😐
Tuan saya sangat senang sekali dengan adanya video ini dan saya sangat terbantu dalam pekerjaan saya atas adanya video ini dan saya sangat berterima kasih banyak 🎉🎉
Ok
Great build but why? What advantage over a suitably sized single piston ram ?
Like always excellent craftsmanship, but idea don't have too much sens, at least for me : you add double the length, instead couple mm of piston radius, if shaft seal start leak you lose pressure in bouth cylinders any way and you triple connections (points of potential leakes) and at last, because in secound cylinder you have shaft, power gain in extend cykle is negligible ?
No seal between the 2 Cylinder sections, going to leak. Interested how you took out the weld seam in the tube too
Seamless tubing bud
The "gland" between the two cylinders is the seal.
I don't think any other maker on UA-cam does it with such panache.
Omg. It's the best sample how make some simple thing to very difficult.
I don't understand why this is necessary when a standard cylinder setup can do the exact same thing.
What's the double piston do that a single cant?
Great project and video.
Thanks for sharing.
Do you have the sectional drawing of hydraulic cylinder and its parts name?
Please provide the name of material and gread sir
The wife, At last, something I can use".
Hey, i contacted you several times on patreon ,email, Instagram.......but you guys donot reply.......i bought your patreon for the slotter machine helping material but there wasn't any much of it........please reply !!!
Isn't this a pneumatic cylinder?
Very interesting quality videos 👍
This channel never disappoints
From parts of steel to a functial product..👍🏻👍🏻👍🏻👍🏻
it would be nice if watching this on 60fps
Груз не нужно сопровождать
Пусть каждый занимается своим делом
Manca or fra porta guarnizioni E lo stelo
This is pointless.... Just up bore size slightly to accomplish the same goal.
That's very impressive, and relaxing to watch! Great Job and Craftsmanship.
The best!
Muy buen trabajo y excelente presentación. Sólo una pregunta, ¿la conexión es en SERIE o en PARALELO? Muchas gracias.. Felicitaciones!
It's parallel
mild steel tube.. dunno buddy
Они примут 2 версии либо они делают эту работу либо нет время поджимает
i know who he is in real life
Make a double extending hydraulic cylinder next
Congrats on the job.
Did you use stainless steel or carbon chrome?
No leakage very cool I want to build a unique hydraulic cylinder please contact me if you do contract work
Will it be more powerful because it has double pistons and if so how ?
It is like having two pistons.
The hydraulic force is the product of pressure x area. In this cylinder are two separat volumes so the area from the piston is nearly doubled (second area is reduced by the piston rod)
It's essentially pointless.
It will be almost twice as powerful than a single piston with the same diameter cylinder and piston rod diameter. It will also require twice as much flow, so operate at half the speed as a single piston.
@@EVLS10 no its not
I like it but what kind of application would need a cylinder like this?
For example, if you are limited with space in side direction, yet need bigger force?
How to make gasifire
A work of art. Made by a master of his trade. Thanks for a great video.
12:48 буду пить