3D Printed Aluminum Intake Manifold - Laser Melting Process
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- เผยแพร่เมื่อ 23 พ.ย. 2024
- We needed an intake manifold made quickly so we used the most modern manufacturing technique and want to share the process.
Folks who printed our part: www.mimotechni...
Check out the full 1000 Horsepower 2020 Supra engine build:
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Episode 2 - 1,000 HP engine parts: • The Making of 1,000 Ho...
Episode 3 - Engine Assembly - Start to Finish • 2020 Supra 1000 HP Eng...
Episode 4 - Dyno Test: • B58 Engine Dyno 1000+ ...
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ABOUT PAPADAKIS RACING:
The Papadakis Racing team began drifting in 2004 and is the most winning team in Formula Drift history, earning the 2015 title with driver Fredric Aasbo, as well as backto back championship titles with driver Tanner Foust in 2007 and 2008. The Rockstar Energy Drink / Nexen Tire Toyota Corolla Hatchback is the latest competition build from the Hawthorne, California, based team.
Team owner Stephan Papadakis is a legend of sport compact racing who began building his reputation in the 1990s with the first front-wheel drive, tube-chassis drag car in the U.S. The team earned multiple records and championships in the discipline, turning in elapsed times and trap speeds previously thought unattainable in front-drive drag cars. Papadakis' successes in front-wheel drive were matched by his efforts in rear-wheel drive when he campaigned a Honda Civic that became just the fifth car to join the NHRA's Sport Compact 200 MPH club
How much does it cost? About $800 per pound. So a 10 LB part would cost $8,000! What would you want to print out of metal?
PapadakisRacing a personality
It would be cool to print custom/reproduction car badges. Custom printed shift knobs could be interesting.
Replica Dardick trounds.
What the manifold weigh?
A reproduction of the GReddy MP90 supercharger kit for the 3UZ
Str8 to the point no "fat trim" needed. Great content.
I love this channel for this-- very direct with the information, yup.
I second this! great detail and to the point
That’s an “older” printer too they are getting really good really fast
@Kevin Schmidt can be done with any metal. titanium especially, because its so hard to machine or form, and an expensive materia to waste so much during subtractive manufacturing. its getting to the point where its gonna be cheaper to 3d print titanium and other exotic metals, rather than create a part out of billet via subtractive manufacturing
Kevin Schmidt It’s basically just Percision welding so if the medium (powder) is available they can print it.
There's MarkForged, they use a different system and seems way faster and simpler than this.
@Kevin Schmidt yes, for example markforged can print in a lot of different metals. Crazy stuff!
[And no, I'm in no way affiliated with markforged, just like what they do]
It’s easier to do it the old fashioned way sometimes haha all this new stuff is getting complicated 😂😂😂
koenigsegg has been printing some of the more exotic metals for a while now but im pretty sure in a different process. its rad to see this shit evolve!
Such a good use of aluminum. Glad to see how far technology has come.
this is actually a great way to give an even more prolonged life to old cars, make 3d print parts and then cast them into iron or aluminum or even steel
I just love how much knowledge you guys drop on us regular people, pretty awesome !!
haha Very true. Back in the day you had to be cool enough or lucky enough to be around such people but now TH-cam lets everyone in!!
Yeah, well, kinda.
Most shows on youtube that are supposedly scientific basically don't tell you shit. Steph at least shows you the whole process of the build, which is great, but he doesn't show you the designs process, calculations, tuning, etc. The good thing is that this kind of content is understandable for everyone (even outsiders to tuning) and it's still nice to watch even if you're into tuning yourself. This is valuable content, I like it. But still I think he isn't sharing a lot of knowledge with us in terms of specific details. Why? Because I have seen how generously Russian youtubers share their knowledge. _"So I have ported the intake to 26mm diameter, at the valve guides it's 27mm, where the ports come together it's ported to 37mm, I only polished the top side because the bottom side has will have slow separation and therefore a rough surface is preferred"_
I love also, he is just as happy to show hid mistakes, as well as his sucess. Super easy to learn from such a wizard!
@@sasjadevries Why would he share detailed knowledge? It's an important part of his business and he would lose money by doing so
@@kiyoponnn It depends on your business model. And sharing info actually makes a ton of sense in quite some cases.
If you are open and honest about your setup, then most people will think: _"hey, looks like you know what ya doing, can you tune my car"._ Such a honest approach and open attitude can bring in a lot of customers.
In practise it's the charlatans and noobs who don't want anyone to see how they get their job done, because they're bad at it.
And then there is the difference between knowing what should be done and actually having talent doing it. Telling someone how it should be done doesn't mean he will succeed.
One great example of this in autosports is "Gocha", from the beginning of his career he has been sharing info about his setup _(including precise camber angles)_ with anyone that's interested, dozens of engineers from Europe and Japan have examined and photographed his car; and guess what: he became drifting world champion *again* in 2019.
Question is, What uses more energy and time, casting or printing?, and long term reliability? just a thought. Unbeatable for prototyping no doubt.
@Brad Viviviyal Why is it stronger?
@@samward2162 Cause the laser makes the grain structure of the metal jumble. Casting nowadays is done efficiently and doesn't have the same problems that it did back in the day. Hopefully 3d printing metal gets better.
@@lepmuhangpa 3D laser sittering have more compacity than casting today, so it's mechanicaly better than casting
@@surronzak8154 Still weaker than casting.
@مبغض الظلمة 100%
Stereolithography. Been doing plastics like that since 1986. That was even more complex: The laser focus was fixed right above the pool of resin and a bed would break the surface and get lased wherever it needed a build up. then it would lower 2-3mm and rise up again (minus the height of 1 layer) with a fresh layer of resin on top of the last layer...lase that layer...on and on and the machine would have to wait for any waves to stop in the tank so it was an overnight process for a few inches but you could build a furnished doll house a layer at a time. Now they are doing it with aluminum powder. That is some one off stuff right there as the cost to 3D print a form for a custom AL casting would be cheaper and maybe just as fast if you had the production nearby waiting for the part.
Step 1 : buy 3d printer
Step 2 : print 3d printer
Step 3 : return 3d printer
Well I mean it's entirely possible to do it as people already print their own ones minus circuit boards and stepper motors etc.. crazy haha
Enjoyed this comment, thanks. :) Also it's funny because it is somewhat true.
Black hole can be opened...
Step 4 : skynet has become self aware
@@djremotion2 Not just somewhat, it's called RepRap, google Prusa Mk 3. Got one at home
G.M. has been 3D printing of prototype intake manifolds since the 1980s.
At that time I was an instructor at a local college and G.M. donated what was then called a stereo - lithography machine to the college.
The media was a resin compound but worked well for prototyping low stress components.
Man this is so awesome, thanks for providing a video on this.
This series is so good. Awesome to see the automotive corner of TH-cam continuously progressing
It’s amazing how far we have come with technology.
Your content is fantastic. Thank you so much for always being so concise and to the point. I find myself rewatching portions rather than skipping ahead like so many other videos.
Love that 3D printing has come this far, almost mind blowing that we're able to do this
Steph is the no-nonsense King of engine building content.
Love love love these videos. Wish this one was 10x longer though! Frigging amazing technology....amazing what can be done today with 3D printing.
Also can be done in 1 hour with a weld and some pipes
An hr is a bit short for a custom part... Though this is not going to be its typical application... some of the aerospace stuff with titanium is stupid strong and you can do much more complicated inner shapes that are hard to replicate otherwise...
I am so amazed at this kind of technology and this whole build that by the time the video ends I realize my my jaw has dropped and I need to close my mouth! So awesome! One of the many professional paths I wish I would have chosen!
Super cool! Next step is a 3D printing of an already tuned supra :)
Yes we will wait for the Supra racing car to be totally reliable then scan it and print it :-) in multiple materials for each component.
actually there are 3D printed connecting rods :)
This is incredible! I feel as though NASA has started tuning supras. The cleanliness of the shop and thorough operations set these guys high atop their competition.
If they ever come up with a high-speed version of this idea, say ten minutes per part, it'll revolutionize manufacturing as well as make it possible to keep any antique vehicle on the road.
I've been watching and trying to understand how Metal 3D printing works and your video made sense to me finally. This simple breakdown of all the parts and events made perfect sense to me. What a great video!!!
My favorite part about 3d printing is that you can make complex parts with perfect fitment
@@RazgrizDuTTA fitment under the hood of the car
Am new in 3d printing may u advice on how I can retrieve exact size of a car part I wanna print and may give me a link if u dont i want to start an aftermarket busines in south africa
The only thing I can say is WOW. This 3d printed part from aluminum powder is awesome. Great job
Fricken laser beams! Jokes aside that is an incredible process.
at first I was super pissed at your comment but then you said jokes aside so now I feel neutral again
i read that in dr evil voice hahahahahah
John Cohen is such a great guy, glad y’all were able to work together
Fun fact: I’m currently working on a project at my university that’s looking at speeding up the build time of those 3D printers by increasing the thickness of each layer. The only issue is that increasing the layer thickness could introduce porosity which would lead to mechanical deficiencies. It’s really cool and I’m really happy with the exposure this kind of printing has been getting recently.
The other issue is that increasing the layer thickness reduces your Z-axis resolution. It also slows down the process because you need to scan the laser more slowly to melt the increased volume.
In ceramic shell , some times we got porosity . You have so much time in the part , you try and save it . You can paint the runners inside with Devcon Liquid Aluminum Epoxy , never had a problem with it coming off , if applied to a new part .
Sometimes depending on the part, there are high internal stresses and parts can warp when taken off the build platform. Fantastic process, but more suited to complex form designed specifically for the application. Conformal cooling channels in tooling inserts are a good example.
2003: yOu WoUlDn'T doWnlOaD a CaR!
2019: This car is the wrong the color - is the magenta toner out again?
Yes, why is the Magenta always empty when you never print anything Magenta?
PC load Letter....WTF does that mean?!
Error: Please change Tray 1 metal.
Set Aluminum 6061, Fine Powder.
Press [Details] button for help.
The process is DMLS, Direct Metal Laser Sintering and there is a thermal post cure to reduce internal stresses you did not show before support removal. Most excellent creation of a custom intake manifold, thanks for sharing.
No, it's not sintering anymore. More than a decade ago or so, 3D powder metal printers would rely on SLS, Selective Laser Sintering. With the advance of optics and increase in laser power machines moved to SLM, selective Laser Melting. As mentioned elsewhere, modern machines can still do sintering when porous parts are required (say, filters).
The difference between sintering and melting is that with the former you don't exceed the melting temperature of the powder, the particles just get hot enough to soften and stick/fuse together. You can get up to about 95% density this way. With SLM it is possible to truly melt the powder and get to 99.95% density.
" Its a fairly simple process, you just take this giant laser and shoot it at powdered aluminum! Easy, right?"
@Lassi Kinnunen or investment casting like Jay Leno has done in the past to make some of his parts
aniruddha patil what do you mean crashes at 90%?
@Lassi Kinnunen your first paragraph negates your last paragraph. Replacing pla with aluminium via casting reproduces the EXACT same shape as the pla part. If you printed it, you can cast it.
Casting is easy
@Lassi Kinnunen but unfortunately aluminum does odd things when being cast into large and/or complex shapes. Would probably take several attempts to get the venting, sprues, and runners right. It's not always as easy as one might think.
Awesome.... Unlimited application... So we can literally make everything bespoke - if we have the money - now...
They sent a small version of this to the ISS... Mind Blowing thought....
This is basically a Star Trek REPLICATOR!
The amount of technology used in this project is overwhelming.
Papadakis I appreciate your content. I’m always happy to come to your channel to learn something new. You highkey inspire me to learn more about Material Engineering as well Mechanical. TH-cam channels like yours and SpeedKar99 are how I spend my free time. Thank you so much.
I echo this statement. Was telling wife how appreciative I am of content like this and that it will be here forever to teach future generations. The gift that keeps on giving
This is one of those times when technology is absolutely amazing! Great stuff. Cheers fellas.
Printers with freaken laser beams on their heads!
Not sure if this was just an Austin Powers reference or if you really knew and was being ultra clever, but the unit that lays down the medium (whether metal or ink) is referred to as a print HEAD.
Papadakis you are from Greece ,I am feel happy to seeing what awesome projects you works
I feel like technology has advanced 50 years in the last 10 years
Aliens man.....aliens
Lots of Patents have expired
this technology is at least 15 yrs old
this is 80s tech Lol
In 1976 A genius was born. Wrote the screenplay for Star Wars A few months later. It included music, designs of things like the Death Star, Millennium Falcon Etc.
Most of the popular movies/T.V. series since are his.
Apple, Tesla, Microsoft, videogame industry, Lockheed Martin, Ford, Toyota, Honda, Mazda, GM, Ferrari, Lamborghini, Keoningsegg, Pagani, Bugatti and many other companies have received his help.
Currently has an anti-knock prototype that lets you advance ignition timing to most I.C.E.
Can make his own drugs/medicine with the greatest of ease.
With many other projects not being mentioned, are in the works.
The Very Best TH-cam Channel Engine Buildup and Teardown of the Whole of the Internet.....
Yeah, sure the cost is high and the process is slow but imagine where this process will be 10-15 years...
This technology is already 20 years old.
more like 1-1.5 years
more than 20 years
designandmotion.net/design-2/manufacturing-design/dmls-a-little-history/
It was by 1980 - I remember because I was working in the business hub of Toronto for a mining company that makes fine metal powders like nickel and cobalt for tech leaders like GE's jet engine division. In our office tower there was an architectural firm that was modeling proposed projects, i.e. those miniatures of office towers you'd see in lobbies. They had something that would lay a non-metallic powder and follow that with an adhesive to bond it where desired, then go up a level and repeat, etc. I thought it was a nutty way to make a model but who's to judge.
That would be the grand daddy inception of powder deposition.
Early 90's I paid $625 for a Creative Labs 3X speed CD writer to be able to tell customers we could burn CDs for them. Slow as molasses but the first on the block. I paid over $300 for my first DVD burner a few years later (~1995) and it wasn't even 5X write speed.
Casting iron technology is about 2400 years old, so you could say it took quite a while to get to todays casting quality. So relative to that 3D metal printing technology and quality is developing/progressing pretteh fast!
I see where this has already made parts for old radios and things that you cannot get anymore that's a plus
I can’t wait when Walmart sells that printer for 99$
Russian Bot why would you want a piece of shit printer when there would be better high end 4D printers available by that time?
Shity tool = shity job!
Impressive! I once interviewed for a company in Michigan that build parts using ultrasonic welding. The base material was a metal tape, I forgot what alloy. Around 2007.
I really want his opinion on tb48 engines , specially those modified in UAE
Layer by layer. Very interesting. I was picturing liquified aluminum being squirted from a single tip. Now I see how it can work.
Im impressed with a ink printer. Imagine how impressed I am with this... lol
Lol
*an
If only all tech videos are so on point, papadakis is a legend
Pap the Aliens called, said they want their technology back.
I feel so lucky to have insight into engine building this advanced.
Not only is it weaker it also cost 10x more. what an innovatoin.
What is your evidence that it's weaker? SLS metal parts are similar in strength to billet. They're weaker than forged, but the process is much cheaper than forging and allows for significantly higher design complexity without an increase in cost. Sounds like you're pulling things out your ass to me.
@@Tristor86 first off cast parts are way cheaper then 3d printed. like WAY cheaper. and billet is way strong then cast or 3d printed. do you get all of your knoledge from rediulous youtube videos like this one?
michael provost: I’m an engineer and I fabricate parts for race cars. I know a thing or two, as does Papadakis Racing. Where are you getting your information about the strength of SLS? It’s not as strong as billet, but very close, and allows significantly more complex designs to be produced which is an acceptable trade off to improve packaging and efficiency.
@@Tristor86 if i hit a piece of billet aluminum with a hammer its going to dent a little, if i hit a piece of that with a hammer it breaks. yea you can make complex designs with it. that is the only advantage. maybe another 10 or 20 years the technology will catch up to the hype.
michael provost: You’re making claims not in evidence. What you said is not an accurate statement. I don’t have anymore time to waste replying to you. You don’t know what you’re talking about.
It’s always so great watching new tech. Especially since I’ve been following you and your career since the 1990’s.
2:40 Why does it look so disturbing to me ?
It's called trypophobia.
I know what you mean. With CNC it's easy to forget how to read a regular micrometer. A young friend of mine found a slide rule in one of my tool boxes and asked me what it was used to measure. I told him it was a calculator. He still doesn't believe me.
@@mactastic144 Cheers. That explains a lot to me. Thought i was only one.
3d printing is the way of the future. Enging pats, body panels, interior bits. possibilities are endless.
Very true but the sad part is its going to put a lot of humans out of a job.
It's a great manufacturing technology, but it isn't going to replace all others. Yes, you can make some incredible shapes and parts that would otherwise not be possible to build with 3D printing, but if you design for "standard" methods, they are often just faster and cheaper. Yes, 3d printing will get better, but so will every other manufacturing method.
Technology is getting close to science fiction.
SiFy Up your GAME LOOL
Papadakis Racing - Best channel on TH-cam. Thanks for the great vids Steph.
$10K later and we have a converted direct injection to port injection setup.
Hopefully they run both like newer Coyote engines
@@dhodg777 Looking at the dyno vid the direct injection didn't work out so well.
@@mrred1012 they did not use direct injection so injectors had no fuel flow = no cooling so they just melt and burn out, thats why its hard to install a LPG to direct injected engines
@Clifton Green that's really besides the point. I merely meant that it could be spent on upgraded direct injection technology. Which is going to be the future anyways. The only current obstacle is cleaning of the valves that port injection offers.
@Clifton Green he already dyno the engine with only port injection and direct injectors literally get burnt out, check he's other videos
God I love these videos! No waffling, no bullshit, just knowledge bombs.
Yeah, there's no way having that printed in wax then doing a basic cast would be cheaper or quicker.
Custom tools, drill guide! Awesome. I couldn't imagine having the capability to create my own tools
I'm scratching my head on why supports were needed at all? SLS is inherently self-supporting.
SLS is not self-supporting for metal. Just another reason this should have been done with RapidNylon.com
It's not really, the wiper pushes the powder down as it travels and may dislodge bits of the build
This is a very well-edited video. I really appreciate that you keep everything short, to the point, but still take the time to explain everything.
I am missing the point as you could have made a STRONGER carbon fiber manifold for less money as saved a lot of weight. Who decided to do this?
Susan.
Wow, I have huge respect for your knowledge and capabilities. You are right up my alley as far as the quest for engine building and design knowledge through all types of racing and all types of engines. 1000bhp is a very impressive number for a production based motor. The only itch I have is with the amount of money that is invested to obtain these results. I am sure that with the considerable resources put at your disposal, similar results could be had with a lot of other production based engines from different manufacturers which sort of takes away some of the glory that Toyota or BMW would like to earn as a result of this build. With that being said, I will continue watching your videos with great admiration. Thank you.
Welcome to the Future 😳
additive manufacturing is an awesome technology for automotive applications. It allows you to create geometries that are physically impossible with casting or machining.
$8k for ten pounds! I wanna know how much it cost to build this 1000hp engine, amazing!
The manifold is a prototype, so it'll always be really expensive.
I find this utterly fascinating from a technical perspective.
The ability to produce parts in this way will only be improved and refined as time goes by.
Likewise, I expect new processes will come into being as new machines are developed.
Thank you for this highly interesting and informative insight into printing components. Subscribed.
Advance Aliens: Hold my beer. Well mold material out of atoms and energy into the 5D
What are the advantages? You still have to mill it so 5 axis machining one would have been faster and repeatable so what advantages are here? Does it develop smoother ports? Less turbulent airflow? For the price I do not get it but pretty cool process.
In the future, when something breaks, people will go to the printing Shop next to them and not the parts store.
Everyone will have one, just like a flat screen tv, or microwave.
It's way cheaper to just produce a few 1000 extra parts, and sell them, rather than printing every replacement part. Plus, as you saw in this video, they aren't ready to go out of the printer, they still need some machining.
Actually this will just decrease the cost of production. You will still be buying parts, they will just be cheaper.
Surely you're not suggesting that someone could blow the welds on an intake manifold?
This is just too cool, oldschool and state of the art tech working together to create something that did not exist before :)
Careful you don't blow the welds on that intake manifold or you will owe me a 10second car.
that's really UNIQUE content about autosport, please bring more of this!
We live in a world where we can 3D print things out of metal, yet the jury is still out on what a woman is. Mind boggling.
best comment
heres your trophy
🏆
We live in a world where we can 3D print things out of metal, yet some people still feel the need to police what other people do with their own bodies. Mind boggling.
Algunas personas quieren libertad absoluta para el uso de los cuerpos, hasta que alguien usa esa libertad absoluta para hacerles algo que no quieren
good of you to make this vid. it lets us keep up with this new technology
"Typically they wear respirators because the aluminum is so small and dangerous"
JustWasted3HoursHere lmao I was seriously thinking the same thing aha.
This channel is PHENOMENAL!!! So concise, easy to understand, and interesting content!
Did anyone else at first glance think why would they 3D printed the welds? Haha
That was my question... since it was CAD designed, and printed in .002" layers, why are there obvious tig welded seams around it?
It was printed in separate pieces then welded together. Probably limited to size of printer or to guarantee perfect fitment.
Awesomeness at its finest, keep up the wonderful work that you do extracting horsepower where there was limited or restricted. Have a great day.
I totally want like a dozen Parts made in this machine for my L28et but I'm sure they would want some ridiculous amount of money. Super exciting to see technology come along maybe someday normal people can afford them.
It's like I watched "How It's Made". Thanks!
thanks for the no-nonsense approach to the video.
Thanks PR for sharing your awesome video.
Your quality of work is superior, you guys have set the bar on 2020 GR supra to another level.
Looking forward to your next video
Brilliant technology. Have a nice day all. CHEERS from AUSTRALIA.
They have one of these at my uni, but they have titanium powder instead of aluminium. They make custom parts for commercial aircraft and 3d modelled titanium bone prostheses.
Its amazing all the time and effort you guys are putting into this Bseries engine. In such a short period of time you have proven to some of the keyboard warriors that as time goes on products improve and you cant get stuck in the past. 2J/RB time is over like the push rod V8
those engines will always be legendary in their own right. gotta appreciate all technology for what it was at the time, not what it competes with today
I don't think there's a word in English to describe the awesomeness of this.
@notperfect give me one word.
I am amazed at the level of high tech engineering needed for this project.
This is literally design rocket science and I know what I'm talking about : I am an aerospace engineer
This dude is calm af
"a cast piece" not "a casted piece" it's called sintering not "welding the powder together" this technique is referred to as "SLS" Selective Laser Sintering. You forgot to mention that the sintered piece is "baked" to strenghten the bonds of the sintered material. very enjoyable to see this content. Thank you for bringing it to us.
This is not Selective Laser Sintering. SLS was something of about a decade ago. Laser power has increased over the years, and so has the quality of the optics. The result is machines that really do Selective Laser Melting (SLM) to 99.95% volume density.
Modern machines can still do SLS, if the specific goal is to make porous parts (say, filters) but all modern machines do SLM now. And that's really melting the powder at microscopic level, no need to sinter afterwards.
(As an aside, there are also modern 3D printing techniques that do need de-binding and sintering, but those are called binder jetting, where powder is mixed with a plastic/wax/binder and then printed with an extrusion nozzle. The resulting part does need de-binding and sintering. But that's not SLS.)
Crazy to see how fast production methods are advancing
These types of machines have been around for something like 20 years. Of course early on it was strictly development work. But even the early ones could make a nut and screw as two seperate pieces that unscrewed. One of the early types of machines actually used sheets of paper glued together with the layers laser cut. This is one way a pattern could have been produced. I imagine one could even make a casting pattern with sand and a binding agent that cures under UV light. But before anybody gets too excited I don't see 3D printing in metal getting to the point where you could make things like bearings. Plus if you need something like a forging I think you're SOL
Id heard some of the US carriers had 3-D printers on the ship , and could make alloy steel parts for the planes ?
Can’t wait to see the motor back in the Supra.👍🏽👊🏽
and here we are redfining the automotive norms....
excellent content...
I like that he says to “please consider subscribing.” So polite.
Wooow. That was amazing works.
Firstly i think it was cast aluminum. But it was printed in fact.
Nice build.
As I've been on this year long journey to scratch build a jet turbine engine of my own design, I'm finally at the stage where I can't machine anything else without mega pricey CNC mills and whatnot, so I've been researching large volume 3d printers once again. At long last, however, the prices have come down to where a professionally produced machine is fully affordable by normal people. (I looked at them 6 years ago and the only way I'd get large format in my house for under 600 was to build it myself).
I suspect that in that same passage of time, we'll have reliable and cost effective metal sintering machines in our garages for 2k or less. Right now the cheapest full stop metal 3D printer worth its salt is $150k. But it comes with the whole shebang from printing to post processing stations and a machine to heat treat the part, and it can do just about any metal or alloy they make a powder for (if one knew how to kit out crucible steel, that would probably void some warranties but cut metal supply prices by leaps and bound long term). I could see an outfitted shop or race teams employing one just to save money on parts!
That is so freaking cool!!! Thanks for sharing! I love seeing how tech like this works!
If you are not already the premier engineer pushing the limits of the BMW B58 then you are definitely on the way. 👍🏁❤️