Have you ever seen this 3D printing technology?!
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- čas přidán 9. 05. 2023
- This is a 3D printing technology you probably have never heard of: It's called selective laser sintering, or SLS for short. Instead of using a filament or resin, SLS machines use a powder bed, where particles are fused together by a laser. Find out more: sintratec.com
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About us: Sintratec is the leading Swiss provider of first-class selective laser sintering (SLS) solutions. The professional 3D printing systems and resilient materials meet the highest industrial requirements. From the consultation to the service - Sintratec offers a user-friendly and overall package for modern, scalable additive manufacturing. To realize your ideas and designs in a fast and cost-effective way.
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Few years ago, I had the chance to see those things in action in a university lab. The precision they had with these was unmatched.
EDMs are much more precise.
@@achannelhasnoname5182 Electronic Dance Music?
@@monq02 Electric Discharge Machining. Though if you think about it, you can do both EDMs at the same time
Wdym? 0.4mm precise? Stop the cap
@@giedrius2149it’s more of micron and not millimeters
This was how 3d printing was first introduced to me back in middle school. I was at a local college to take part as the only middle school team in a high school robotics competition and they made me a piece to take home. Still in good condition after all these years.
Also, our team wasn’t necessarily good enough to be at high school level, but there wasn’t a middle school competition. So we went there instead.
this has been around for a long time. all nerds or people in this industry know. The machine is very expensive and a lot of the technology is pattern or the company keeps it a secret.
It's been many decades that this technology has been used. Nothing new, they are just dripping this info out slowly
There's still a lot of people who contact us regularly that do not know or understand the technology!
The social media person that's running this youtube channel is pretty cool, keep up the good work dude 👍
Thanks a lot!
I remember the first time I ever heard of 3D printing. I think it was an SLS machine shown on an old episode of This Old House, being used to make a miniature of the house they were working on.
We need a consumer one
it was the first 3d printer I used almost 2 decades in my fieat Industrial Design Job. making prototypes every day. fast accurate and easy to clean.
So cool! You were definitely one of the early adapters 😁
@@Sintrateche didn’t say two decades ago. He said two decades in. It literally could mean last week lol
Yes i knew it since 2016 (learning in school)
Wow 😮😍
This was basically the origin of 3D printing.
Filament printers came decades after I first saw any 3D printed object.
So if you've never heard of it, it's basically because you wouldn't run one of those at home 😉
I have seen a few i wish i had one but those are expensive as heck !! I also seen alot that sell similar ones for for metal printing for car parts.
Technology 👌🏼🤤🤤🤤
Sintered metal parts are what make up the majority of moving parts on cheap tools. Things like gear casings or, in some cases, the gears themselves. They're strong, but if you stress or work them too hard, they break, and the tool is trash.
Metal 3D printing is also becoming much better though!
Most production sintered parts like you describe aren't made by laser sintering like this though. Instead they have a form kind of like a casting die which they use to press the powdered steel into the desired shape with very high pressure. Then they bake the part at high heat in an oven and the powder fuses into a solid part. The resulting part has good hardness and wear properties, and you can make complex parts much, much cheaper than with traditional machining proccesses, but the sintered parts are quite brittle and weak compared to a forged or machined part.
I love breathing in micro particles of metal lol
In this case we are using polymer powder, which are nowhere near as hazardous as metal. But as you can see in the full video, safety equipment like FFP3 Masks and gloves are recommended.
Metal is sintered under inert gas if youre anywhere close to breathing it in something has gone seriously wrong😅😅
@@fluiypjthere is metal dust made when cleaning and removing the objects from the stack.
@@miguellopez3392 not if you use a glovebox, papr, or solukon
That seems like it would be a fun job to do- cleaning all the metal dust off the parts. I think you could probably build something to do it for you though so the job would not last very long
I want it 😢
You can get a pretty nice one that prints all the materials for $80k that's NOICE.
This is what Shapeways offered
Can these print a smooth finish or does everything come out grainy with a texture?
Can a printer be made that shoots the dust in place for a less messy product?
.
Sounds doable.
A German company called “Lockcard“ which uses wallets which are also powder printed uses these
Yep, we've heard of them and actually printed some of their wallets on our Swiss made printers🤩
@@Sintratec this can‘t be true… I never get any reply from any CZcamsr or company that posts on CZcams
Now for the infill.
Crap. Now the media is all stuck inside.
Yes, I am aware that you can still do it. You just have to do it differently. Like hollowing a resin print.
Wooow. So melting grains to solid
Pretty much! 😁 you can read more about it on our website: sintratec.com/demystifying-the-selective-laser-sintering-process/
@@Sintratec I read it, thanks I was wondering how the powered got added for a h layer
Not the only process that does this, inserts for CNC machines are also made by compressing powder than heating the compressed powered for a day at high tempatures to fuse it together. It shrinks significantly in size from powder to solid.
Thats pretty neat! I'm interested to see how durable it is
Depends on the powder material used, but it can be VERY durable. SLS printing is utilized in the night vision world for lightweight durable housing for example.
And is more expensive by far
Compared to consumer based technologies like FDM, sure. But there are much more expensive industrial 3D printing technologies too, considering there are SLS printers under 6000€ in the market: sintratec.com/kit
E beam is better as you can heat the chamber to reduce residual stresses
Interesting technology too!
Bro wear GLOVES DAMN
You are correct, wearing gloves is recommended when depowdering SLS parts. However, we have some more experienced operators who prefer using their hands for by their choice. They will of course wear a mask still.
Oh no i have heard of it whatever shall i do?
Hopefully share your knowledge with others 😁
Sounds expensive
It is definitely more on the professional side compared to consumer grade FDM printers, but there are systems in the field like our Sintratec Kit that start already around 6'000€. sintratec.com/kit
MIcronics made one that costs only (in comparison😂) $2999.99 sls printer
In 2007 I worked on one of those, just slightly different. The one I worked would place the powder and them inkjet print over it.
This special powder would kinda solidify there it where printed, forming the 3D object.
Then this piece needed to go to a furnace to curing, to get to a really rock solid 3D printed object.
The fun part is that it could even be color printed, enhancing the appearance.
Can you make motorcycle parts with this technology? For example motorcycles accessories, engine covers?
You definitely can! We've seen it used for various motorcycle housings (see here czcams.com/video/L5V5ZilQ96E/video.html) or also decor elements (czcams.com/video/97oESDnscl0/video.html)
Wear gloves if you get one
resin printers also use sls
But they cost tremendous amounts of money
For consumers probably, yes. For small to middle-size companies it can be well worth the investment. For example, our printers start at around 6'000€. sintratec.com/kit
My question is speed difference
Compared to?
@@Sintratec fdm or sla
@@alex59292 That is a bit of a tough comparison because the placement and amount of parts matters. If you are printing a single part, then FDM and SLA will definitely be faster than SLS. But once you have to print 100 pieces for example, that would take several days with FDM while with SLS it would be done in 10 hours.
@@Sintratec so sls is faster for mass production
@@alex59292 For sure if you have only one machine. With SLS you can pack your parts very densely in the build volume - in fact it gets more economic the closer it is because you don't waste much powder (we place the parts close together with a so-called nesting algorithm). So small production runs can actually be pretty fast (and cheaper) compared to other manufacturing technologies.
What I the smallest table size you offer
We offer the a kit as an entry level machine: sintratec.com/sls-3d-printer/sintratec-kit/
XD by now everybody and there grandmother knows about any time of 3d printing ...
You'd be surprised about how many people still contact us regularly asking what kind of filament our printers use 😅
The waste on these is probably pretty bad
Theres absolutely no waste the excess material will be used again
Correct, you can re-use most of the unused (or "unsintered") powder for your next print job. So waste is a lot better than for example FDM where you have to discard all your support structures.
People think this is new??? I mean, I know I'm kinda a hipster, but Jesus 😅
What do you mean? 30 year old tech isn’t new??? How dare you!
We still get emails and comments on a regular basis, asking what kind of filament our printers use. A lot of people are not aware of this manufacturing process, that's why we made this short video.
What is the starting price point of one of your sls machines?
The printer itself (S2) starts at 17'900€ -> sintratec.com/s2
Price?
Our 3D printers start at around 5900€: sintratec.com/kit
Too bad they’re expensive asf :(
We're working on making them more affordable!
Yeah everyone knows about this
We still get questions if our machines use filament on a daily basis, so definitely not everyone 😉
Get proper respiratory equipment
Thank you for your comment. As the powder our machines process is in no way as harmful as metal powder or powders with smaller particles, the used face masks (FFP2 with filters) provide the necessary safety.
Soon we will see adds on tv from Lawyers seeking if you suffer from 3D printers lung disease.😅
That is why whenever you handle powder, our GUI is telling you to wear a respiratory mask 😉See here: czcams.com/video/w4q6apP-xBw/video.htmlfeature=shared&t=184
It is not called SLS anymore..The official name is now PBF-LB which stands for laser beam powder bed fusion. I know it sucks, but it is the official term for this technique now.
Doesn't quite roll off the tongue - who made that term official? 😅
I bet that stuff is fun to breath in 🤮
How much the cheapest machine?
Hello, we do offer currently the most affordable desktop SLS machine on the market, the Sintratec Kit. You can find out more here: sintratec.com/kit