Hey, I think this task would be perfect for the Fusion 360 generative design. There, you can define the required geometry that has to stay (all the mounting holes), constraints for maximum size, and all the loads acting on the thing (you can also do multiple load cases in case you want to do a double sided rail again) and, most importantly, you can set manufacturing constraints, so you can say e.g. that it will only be machined from 3 sides using a 2mm end mill. I would really like to see how generative design performs in this task, it really seems perfect for it!
Sure it’s light, sure it removes mass, sure you can print faster. With great speed comes great force. I know for a fact these novelty x beams suffer from push/pull artifacts that are huge eye sores in prints. Add gussets behind mounting holes. Or use metal/HT motor mounts so you can run steppers at what they are rated for
Where did you get that information? Our 2.4 X-Beam has not even been tested in a single printer yet. We will see if that is really a problem once our testers push their Voron 2.4 / Trident to the limit with it.
Can’t wait for next video. I’d really like to see some comparison between cf tube and these truss type aluminium tubes. If I would guess, based in my years of riding bikes, it’s not just the weight… carbon fibre is also more compliant or shock/buzz absorbing. So it may be likely that it will outperform when vibration is such an issue with high speed 3DP. Though… there is no reason this couldn’t be compensated with some sort of soft mounting. Good luck!
Instead of just cross-beams along the exterior of the square prism, you could add some inside the prism such that the faces are connected. For example, you might want to make all screw holes connect to the opposite side's face/cross beams (perhaps with more screw holes on opposite side). Either way, it's a needed idea, so when your idea works, it will sell well and be worth it.
While it looks good I worry about the strength at high speeds. Especially with aluminum and the threads being so short, I think that will be the weak point especially as there is going to be a lot of twisting forces from quick direction changes. That said I think for small sized vorons it will be no issues. I mean we now have designs that just use the rails(k3) and nothing else. I think the only issues would probably be in a 350mm voron.
That is why we test them first, we want to make sure no customer has to go trough such issues :) We tested the aluminum threads to failure and determined that they should hold up.
@@premiumbasics Yeah, I hope it does hold up. I am actually interested more in the K3 design. Using the rails alone seems like a genius idea but I don't know how well that design would scale up to larger sizes. I kinda want 300mm on any core xy and I haven't seen something like that using longer rails.
You discovered something important. Principle shear stress is in the +45 and - 45 direction. In the first design you have 90 degree members in the shear web that can't transfer any shear force, other than through their own bending stiffness, which is very small. Make sure all the members intersect at the same point where they come together. It looks like you have some off set. I think a lot of the deflection in your beam is from the diagonal member flexing inward, not the whole beam flexing. Your screw mounting points should be located at nodes if the truss structure, not a middle of the members.
Nice work there! Have you tested and compared your design to the one from Fysetc? I hope they didn't just copy your V0.1 design and scaled it up for the various biggers Vorons....
Thanks! I might test it just for me without making a video about it. This would just be free publicity for them ;) But in my opinion they went a bit to far with removing material…
The lower mass allows you to accelerate the printhead faster resulting in faster overall print-time. (there is a modding community in the 3d printer scene who want to push their printer to the max.)
given all this work is being done to cnc the xbeam does it make sense to start looking at just cncing the linear rail profile directly into the x-beam so they are one whole unit? maybe a bit of a compromise compared to the premium linear rails that are hardend if you cant do that process. but the affordable linear rails from china are stainless anyway and id assume the swiss can get better precision too. id expect that to give massive weight savings. the weight hasnt been in the xbeam you can save a majority of it with a carborn tube as you said, but the rail hasnt been touched. far more weight to be saved in the rail.
Thank you for your comment! We thought of something similar, but assembling and grinding some some steel into aluminum is something for a future project. Milling some pill shaped slots into a standard linear rail would be the first thing to do to lighten them… Hope to see your suggestions on future videos -thanks :)
Servus! Wollt mal nachfragen, wie es Euch mit dem Projekt so geht. Im Jänner baue ich 2 weitere Vorons auf. Auch hab mittlerweisle noch ein paar andere Leute infiziert, die ebenfalls eine für ihren 2.4R2 haben wollen. Danke für Eure Bemühungen!!! glg aus Österreich! Andi
Allegra! Soweit läuft es nach plan, wir testen noch verschiedene finishes und Farben. Die Produktion der V0.1 beams hält uns auch noch beschäftigt :) Hoffe wir kriegen das hin bis im Januar. Im schlimmsten fall haben wir sie bis dahin halt noch nicht ausgiebig getestet… Viele Grüsse aus der Schweiz!
Hi Andi, magst Du den online Shop testen? Gerne darfst Du mir ein E-mail (Adresse in der Beschreibung) senden, damit ich Dir den Link zum bisher unveröffentlichten Test-Video und dem Shop zukommen lassen kann. Beste Grüsse :)
Nice design! But theoretically, you will not be able to ever achive a higher stiffness with the same material - when you are limited to the buildspace. The highest stiffness will be achieved by steel liners, which are wrapped and glued around a lowdense foam with nuts welded onto the steel liner. In a perfect world, one would print the x gantry according a topological optimization, as the bending and torsion stiffness doesn't has to be the same in all directions as well as over the whole lengh.
Make them and I will buy them for my V2.4 and Trident. Just let me know like last time, for V0.1. By the way, my x beam on V0.1 is fantastic!! Thank you for your effort! Question; will it be ok to use this x beam with tap mod?
@@premiumbasics model and setup should be fairly simple so FEA should be able to get pretty accurate results. Are you going to share results compared to stock extrusion?
Yes exactly .. what i dont know is how an aluminum rail would withstand the wear where the bearings make contact .. maybe it would wear down over time and the carriage gets wobbly over some period of use. Another idea would be to make a special rail that you can slide in a grove on the main part. Two srews that prevents it from sideway movement and you have a hardened rail on an aluminium frame
You have many interesting ideas :D I guess the aluminum will not be optimal for wear resistance but I’d love to see a hardened rail on an aluminium frame. Let me know if you make a video about it ;)
I did not look into patents, just had the challenge to make it light while keeping it as stiff as possible… This leads in my opinion automatic to this shape, everyone tasked with this will come up with something very similar I think…
Currently I am editing a static load test video, should be finished in ~ 1 week. We will probably produce them to order. This allows for custom engravings and more colour variations…
I might visit this too. I have been machining a full solid billet frame to get rid of any bowing on the frame. I think a better material for this would be magnesium.
Da wir diesen X-Beam im Gegensatz zum VO.1 X-Beam nicht mehr zum Selbstkostenpreis an die Händler weiterverkaufen können wird der 2.4 X-Beam wahrscheinlich zwischen 90€-110€ (abhängig ob eloxiert oder blank) kosten. Mit Besten Grüssen :)
I have a V2.4 300 that could use this, i hope it works out! The carbon fiber beam didn't seem like a fun upgrade with the complexity so i've been holding off
The CF ones are not bad now that you have ones with predone cut outs. When you had to cut everything to size yourself it would have been a pain in the ass though.
@@GeldVerdienenOnline1 Yeah, I am betting the ones he looked at were the earlier videos where you had to cut it to length and cut all the holes yourself.
It is better than the first one we made, you can see it without measuring that the first prototype bends. As soon as I made the test we will have the definitive results.
Let me go into more detail why I am not putting all in one Video: 1. The testing video will probably be longer with more variables and I want to have that cleanly separated from this introduction video. 2. I do not have the 350mm beam version yet to compare it to the 350mm CF tube which I got. (We are trying to keep up with V0.1 X-Beam demand at the moment) Hope this was more coherent :)
@@premiumbasics I apologize if my initial comment came off as rude; I don’t think you should feel obligated to make videos in any particular way and I don’t want to complain about something that’s free on the internet.🙂 That being said, from my experience it is typical for “design” videos on RUclips to include “design validation” in the same video. Or maybe it would make sense to add (Preview) to the title of the video just to show us that this is is only the first of multiple videos on this design!
Oh it did not come off as rude to me, reading my response again made it clear to me that a bit more explanation would have been good. Your comment is a valid and fair critique and I appreciate that :) Will ad “(Preview)” to the title, thanks for letting me know what you and probably other viewers expect from such videos, helps me to improve bit by bit :)
Threads in the tube sound nice, but Al threads are VERY easy to strip out, and with the depth being so small that's going to be quite a challenge. It's quite common to re-enforce AL threads with steel helicoils, but I dont' think they make them small enough for this application.
Yes they strip out easier than normal hex nuts, we have tested how much NM the threads can withhold and did come to the conclusion that it will be enough for this application. We looked into steel helicoils, but since the Al threads withhold the calculated force we did not pursue this approach further.
Tolle Arbeit! Sieht wirklich sehr gut aus! Bin schon auf die nächsten Videos und das Release gespannt. Wisst ihr schon, was die für den 300er 2.4R2 kisten wird??? Danke vielmals!!!
Herzlichen Dank! Da wir diesen X-Beam im Gegensatz zum V0.1 X-Beam nicht mehr zum Selbstkostenpreis an die Händler weiterverkaufen können wird der 2.4 X-Beam wahrscheinlich zwischen 90€-110€ (abhängig ob eloxiert oder blank) kosten. Mit Besten Grüssen :)
@@premiumbasics besten Dank für die Info!! Ich hatte da noch eine Frage zur Festigkeit: Geringes Gewicht und geniale Optik sind eine Sache. Aber wie stabil ist das ganze? Der Druckkopf selbst bringt ja schon Gewicht mit sich. Neu ist jetzt,das es in ein paar Wochen Voron Tap geben wird. Ein System, wo mittels Druckkopf/Nozzle direkt am Bett gelevelt wird. Da kommt es laut Entwicklern zu einer Kraft von mehr als 600-700g die auf das Bett und so auch auf die X Gantry wirkt. Wäre echt schade, wenn Eure Gantry eine Durchbiegung bei einer Belastung von ++1kg nicht aushalten würde... Weiters haben viele von uns Titanium Backers gegenüber der MGN12 Rail verbaut, um Verformung durch unterschiedliche Temperaturverhalten von Aluminium und Stahl auszugleichen. Ist das bei Eurem Produkt auch notwendig, oder tut sich da nicht viel, wegen des filigranen Aufbaus? Besten Dank und Grüße aus Österreich!!!
Laut der gemachten Analysen sollte das Gewicht kein problem sein, bei einer kraft von 2.5kg verformt sich der X-Beam temporär um ca. 0.05mm (= 50k Beschleunigung mit einem standard Druckkopf) Die Verformung in Z zum Druckbett hin (durch das Eigengewicht) dürfte daher deutlich geringer sein. Da wird die Unebenheit der Druckplatte einen grösseren Impact haben, was durch mesh bed levelling dann mit dem “durchbiegen” sowieso kompensiert wird. Den GitHub Artikel betreffend dem temperaturverhalten und den empfohlenen Titanium backers habe ich gelesen. Meiner Meinung nach könnten die gemessenen Abweichungen im Artikel durch etwas anderes verursacht worden sein wodurch die falschen Schlüsse gezogen wurden. Darum werde ich die ganze assembly dann auch noch aufheizen um zu sehen wie schlimm das wirklich ist ;)
Sehr interessante Infos hier.. Bin auch äußerst interessiert am Temperaturverhalten! @@premiumbasics Frage, für Leute die eine fähige CNC-Fräse besitzen und sich sowas gern antun: wird es die Möglichkeit geben die CAD Daten zu erwerben, oder wegen der Gefahr (fernöstlicher) Nachbauten eher nicht? ..was ich auch verstehen könnte
Vielen Dank für Dein Kommentar! Zur zeit bin ich noch am überlegen ob ich die Dateien veröffentlichen soll, beim V0.1 beam hats 4 Monate gedauert und schon konnte man einen Fernöstlichen Nachbau bestellen. Andererseits gibt es von den 2.4 beams schon ein ähnliches produkt aus fernost…
Bending is not a single deformation mode. Torsional stiffness here is non-existent. For that you will either need a whole square profile or a 3D structure inside. This looks like a product of a designer and not an engineer, no offense. Just consult your mechanical engineer.
This looks promising. My only question is how much material is being wasted? Being able to salvage as much metal as possible could make this really profitable
Hey, I think this task would be perfect for the Fusion 360 generative design. There, you can define the required geometry that has to stay (all the mounting holes), constraints for maximum size, and all the loads acting on the thing (you can also do multiple load cases in case you want to do a double sided rail again) and, most importantly, you can set manufacturing constraints, so you can say e.g. that it will only be machined from 3 sides using a 2mm end mill. I would really like to see how generative design performs in this task, it really seems perfect for it!
Hey thanks for your suggestion! I did not know that you could set so many variables for the generative design. Might look in to it :)
keep up the R&D, you're doing a great service to the 3d printing community :)
Thank you for the kind words :)
There's a lot of weight to be saved in those linear rails - get them on the milling machine too. 👍
Yes there is a LOT of potential :)
You could probably half it, being smart and careful
Sure it’s light, sure it removes mass, sure you can print faster. With great speed comes great force. I know for a fact these novelty x beams suffer from push/pull artifacts that are huge eye sores in prints. Add gussets behind mounting holes. Or use metal/HT motor mounts so you can run steppers at what they are rated for
Where did you get that information?
Our 2.4 X-Beam has not even been tested in a single printer yet. We will see if that is really a problem once our testers push their Voron 2.4 / Trident to the limit with it.
Can’t wait for next video. I’d really like to see some comparison between cf tube and these truss type aluminium tubes.
If I would guess, based in my years of riding bikes, it’s not just the weight… carbon fibre is also more compliant or shock/buzz absorbing. So it may be likely that it will outperform when vibration is such an issue with high speed 3DP. Though… there is no reason this couldn’t be compensated with some sort of soft mounting.
Good luck!
Instead of just cross-beams along the exterior of the square prism, you could add some inside the prism such that the faces are connected.
For example, you might want to make all screw holes connect to the opposite side's face/cross beams (perhaps with more screw holes on opposite side).
Either way, it's a needed idea, so when your idea works, it will sell well and be worth it.
Thank you for the suggestion, I will think about some way to connect this after making a simulation :)
While it looks good I worry about the strength at high speeds. Especially with aluminum and the threads being so short, I think that will be the weak point especially as there is going to be a lot of twisting forces from quick direction changes. That said I think for small sized vorons it will be no issues. I mean we now have designs that just use the rails(k3) and nothing else. I think the only issues would probably be in a 350mm voron.
That is why we test them first, we want to make sure no customer has to go trough such issues :)
We tested the aluminum threads to failure and determined that they should hold up.
@@premiumbasics Yeah, I hope it does hold up. I am actually interested more in the K3 design. Using the rails alone seems like a genius idea but I don't know how well that design would scale up to larger sizes. I kinda want 300mm on any core xy and I haven't seen something like that using longer rails.
The K3 looks like a interesting machine too, guess you just have to try it with longer rails to find out ;) Let me know how it went if you do it :D
You discovered something important. Principle shear stress is in the +45 and - 45 direction. In the first design you have 90 degree members in the shear web that can't transfer any shear force, other than through their own bending stiffness, which is very small.
Make sure all the members intersect at the same point where they come together. It looks like you have some off set.
I think a lot of the deflection in your beam is from the diagonal member flexing inward, not the whole beam flexing. Your screw mounting points should be located at nodes if the truss structure, not a middle of the members.
Look at that pretty Beam
thanks :)
Nice work there! Have you tested and compared your design to the one from Fysetc? I hope they didn't just copy your V0.1 design and scaled it up for the various biggers Vorons....
Thanks! I might test it just for me without making a video about it. This would just be free publicity for them ;) But in my opinion they went a bit to far with removing material…
What is acceptable deformation under static load in the middle of the beam? Below 0.05mm? And then we are waiting to know the force. 😄
That is something everyone has to decide for themself ;) Deflection test video is soon here with increasing static loads..
I'm unfamiliar with this aspect of 3d printing, why is weight such a large consideration?
The lower mass allows you to accelerate the printhead faster resulting in faster overall print-time. (there is a modding community in the 3d printer scene who want to push their printer to the max.)
@@premiumbasics oh interesting, that makes sense!
Noooooo! A cliffhanger.
Ok, I wait for the next season.
…still waiting…
given all this work is being done to cnc the xbeam does it make sense to start looking at just cncing the linear rail profile directly into the x-beam so they are one whole unit?
maybe a bit of a compromise compared to the premium linear rails that are hardend if you cant do that process. but the affordable linear rails from china are stainless anyway and id assume the swiss can get better precision too. id expect that to give massive weight savings. the weight hasnt been in the xbeam you can save a majority of it with a carborn tube as you said, but the rail hasnt been touched. far more weight to be saved in the rail.
Thank you for your comment! We thought of something similar, but assembling and grinding some some steel into aluminum is something for a future project. Milling some pill shaped slots into a standard linear rail would be the first thing to do to lighten them…
Hope to see your suggestions on future videos -thanks :)
Servus!
Wollt mal nachfragen, wie es Euch mit dem Projekt so geht. Im Jänner baue ich 2 weitere Vorons auf. Auch hab mittlerweisle noch ein paar andere Leute infiziert, die ebenfalls eine für ihren 2.4R2 haben wollen.
Danke für Eure Bemühungen!!!
glg aus Österreich!
Andi
Allegra!
Soweit läuft es nach plan, wir testen noch verschiedene finishes und Farben. Die Produktion der V0.1 beams hält uns auch noch beschäftigt :)
Hoffe wir kriegen das hin bis im Januar.
Im schlimmsten fall haben wir sie bis dahin halt noch nicht ausgiebig getestet…
Viele Grüsse aus der Schweiz!
Hi Andi, magst Du den online Shop testen? Gerne darfst Du mir ein E-mail (Adresse in der Beschreibung) senden, damit ich Dir den Link zum bisher unveröffentlichten Test-Video und dem Shop zukommen lassen kann.
Beste Grüsse :)
@@premiumbasics Mahlzeit!
Besten Dank für die Nachricht!!!
Mail ist raus 🤠
lg Andi
Nice design! But theoretically, you will not be able to ever achive a higher stiffness with the same material - when you are limited to the buildspace. The highest stiffness will be achieved by steel liners, which are wrapped and glued around a lowdense foam with nuts welded onto the steel liner. In a perfect world, one would print the x gantry according a topological optimization, as the bending and torsion stiffness doesn't has to be the same in all directions as well as over the whole lengh.
36g . Okay but what's the weight of a normal profile?
Normal extrusion of that length (380mm) is ~178g
Make them and I will buy them for my V2.4 and Trident. Just let me know like last time, for V0.1. By the way, my x beam on V0.1 is fantastic!! Thank you for your effort!
Question; will it be ok to use this x beam with tap mod?
Thank you for the Feedback! If I have the tap mod in mind correctly, only thing to change is the adapter for mgn9 and it should work.
Very curious about the results. Will you test torsional stiffness too?
I did some FEA with a load at 45° but don’t know if I can do that in my test setup..
@@premiumbasics model and setup should be fairly simple so FEA should be able to get pretty accurate results. Are you going to share results compared to stock extrusion?
I had the same idea of making this .. but i tought why not machine the rail directly to the part.. it would increase stiffness and remove screws
So a skeletonised linear rail basically?
Yes exactly .. what i dont know is how an aluminum rail would withstand the wear where the bearings make contact .. maybe it would wear down over time and the carriage gets wobbly over some period of use. Another idea would be to make a special rail that you can slide in a grove on the main part. Two srews that prevents it from sideway movement and you have a hardened rail on an aluminium frame
You have many interesting ideas :D
I guess the aluminum will not be optimal for wear resistance but I’d love to see a hardened rail on an aluminium frame. Let me know if you make a video about it ;)
There are thousands of patents for this type of beam, many expired. How are you researching this tech?
I did not look into patents, just had the challenge to make it light while keeping it as stiff as possible… This leads in my opinion automatic to this shape, everyone tasked with this will come up with something very similar I think…
You could use topological optimisers on this one. Would definitely increase stiffness
I don't have a voron but I can see at a distance why an x beam would benefit from being lightweight, what are the specific benefits on performance?
We haven’t tested them yet, but you save over 130grams which don’t need to be accelerated, so you can print faster.
when will you be testing them?
Hope to do testing soon (3-4weeks), waiting on the 350mm version to make a 1:1 comparison to the CF tube I have
These are so cool!
Thanks :)
Milling this is a nightmare, i suspect the unit price for a small run production will be around 500+ dollars
Yes it is not easy to mill, but it won’t be 500$, hope to bring it below 100$, which is very expensive compared to the china products…
Oh baby!!!
I’m hoping there’ll be a MGN12 version
Very interesting! Waiting for your follow up video. Any plans for a Y-Beam as well?
Thanks! Not yet since they don‘t have to move so fast :)
@@premiumbasics right! that makes sense. I hope to get an X-Beam for my V2.4 350mm from you soon.
Cool! We will do our best to deliver a product which does not disappoint.
@@premiumbasics do you have any updates? Can I already purchase a X-beam for the V2?
Currently I am editing a static load test video, should be finished in ~ 1 week. We will probably produce them to order. This allows for custom engravings and more colour variations…
I might visit this too. I have been machining a full solid billet frame to get rid of any bowing on the frame. I think a better material for this would be magnesium.
That sounds really good! Do you make a video about it? Maybe magnesium would be better, but harder to get :/
What about printing a titanium gantry with a cubic or gryoid infill ?
@@premiumbasics I will reach out when I get to the this part
Ich habe ein V2.4 300mm, wieviel würde das den kosten?
Da wir diesen X-Beam im Gegensatz zum VO.1 X-Beam nicht mehr zum Selbstkostenpreis an die Händler weiterverkaufen können wird der 2.4 X-Beam wahrscheinlich zwischen 90€-110€ (abhängig ob eloxiert oder blank) kosten.
Mit Besten Grüssen :)
I have a V2.4 300 that could use this, i hope it works out! The carbon fiber beam didn't seem like a fun upgrade with the complexity so i've been holding off
I am curios what the conclusion of the testers are. (Build experience and resonance testing).
The installation of the carbon fiber beam is not hard.
The CF ones are not bad now that you have ones with predone cut outs. When you had to cut everything to size yourself it would have been a pain in the ass though.
@@MaethorDerien Yes it must be precut. Without I wouldn't have done it.
@@GeldVerdienenOnline1 Yeah, I am betting the ones he looked at were the earlier videos where you had to cut it to length and cut all the holes yourself.
Why not put all the content in a single video? The performance of this one might be just as bad as the first one.
It is better than the first one we made, you can see it without measuring that the first prototype bends. As soon as I made the test we will have the definitive results.
@@premiumbasics Way to straight up ignore a legitimate question.
Let me go into more detail why I am not putting all in one Video:
1. The testing video will probably be longer with more variables and I want to have that cleanly separated from this introduction video.
2. I do not have the 350mm beam version yet to compare it to the 350mm CF tube which I got.
(We are trying to keep up with V0.1 X-Beam demand at the moment)
Hope this was more coherent :)
@@premiumbasics I apologize if my initial comment came off as rude; I don’t think you should feel obligated to make videos in any particular way and I don’t want to complain about something that’s free on the internet.🙂 That being said, from my experience it is typical for “design” videos on RUclips to include “design validation” in the same video. Or maybe it would make sense to add (Preview) to the title of the video just to show us that this is is only the first of multiple videos on this design!
Oh it did not come off as rude to me, reading my response again made it clear to me that a bit more explanation would have been good. Your comment is a valid and fair critique and I appreciate that :)
Will ad “(Preview)” to the title, thanks for letting me know what you and probably other viewers expect from such videos, helps me to improve bit by bit :)
Threads in the tube sound nice, but Al threads are VERY easy to strip out, and with the depth being so small that's going to be quite a challenge. It's quite common to re-enforce AL threads with steel helicoils, but I dont' think they make them small enough for this application.
Yes they strip out easier than normal hex nuts, we have tested how much NM the threads can withhold and did come to the conclusion that it will be enough for this application. We looked into steel helicoils, but since the Al threads withhold the calculated force we did not pursue this approach further.
@@premiumbasics Excellent! Sounds like you really are hitting all the angles, good work! Any thermal expansion concerns?
Hope to do so, I am glad that people like you are commenting with such hints and suggestions
What das an x beam
Cost ?
The X-Beam is not final yet, will let you know once it is listed..
Where to get?
Soon available, please check my website if you like to add your e-mail to the notification list
what is this for?
It is basically a upgrade for a 3D printer to print faster.
Voron printers are open source and you build them yourself.
Tolle Arbeit! Sieht wirklich sehr gut aus!
Bin schon auf die nächsten Videos und das Release gespannt. Wisst ihr schon, was die für den 300er 2.4R2 kisten wird???
Danke vielmals!!!
Herzlichen Dank! Da wir diesen X-Beam im Gegensatz zum V0.1 X-Beam nicht mehr zum Selbstkostenpreis an die Händler weiterverkaufen können wird der 2.4 X-Beam wahrscheinlich zwischen 90€-110€ (abhängig ob eloxiert oder blank) kosten.
Mit Besten Grüssen :)
@@premiumbasics besten Dank für die Info!!
Ich hatte da noch eine Frage zur Festigkeit:
Geringes Gewicht und geniale Optik sind eine Sache. Aber wie stabil ist das ganze? Der Druckkopf selbst bringt ja schon Gewicht mit sich. Neu ist jetzt,das es in ein paar Wochen Voron Tap geben wird. Ein System, wo mittels Druckkopf/Nozzle direkt am Bett gelevelt wird. Da kommt es laut Entwicklern zu einer Kraft von mehr als 600-700g die auf das Bett und so auch auf die X Gantry wirkt.
Wäre echt schade, wenn Eure Gantry eine Durchbiegung bei einer Belastung von ++1kg nicht aushalten würde...
Weiters haben viele von uns Titanium Backers gegenüber der MGN12 Rail verbaut, um Verformung durch unterschiedliche Temperaturverhalten von Aluminium und Stahl auszugleichen. Ist das bei Eurem Produkt auch notwendig, oder tut sich da nicht viel, wegen des filigranen Aufbaus?
Besten Dank und Grüße aus Österreich!!!
Laut der gemachten Analysen sollte das Gewicht kein problem sein, bei einer kraft von 2.5kg verformt sich der X-Beam temporär um ca. 0.05mm (= 50k Beschleunigung mit einem standard Druckkopf)
Die Verformung in Z zum Druckbett hin (durch das Eigengewicht) dürfte daher deutlich geringer sein. Da wird die Unebenheit der Druckplatte einen grösseren Impact haben, was durch mesh bed levelling dann mit dem “durchbiegen” sowieso kompensiert wird.
Den GitHub Artikel betreffend dem temperaturverhalten und den empfohlenen Titanium backers habe ich gelesen. Meiner Meinung nach könnten die gemessenen Abweichungen im Artikel durch etwas anderes verursacht worden sein wodurch die falschen Schlüsse gezogen wurden. Darum werde ich die ganze assembly dann auch noch aufheizen um zu sehen wie schlimm das wirklich ist ;)
Sehr interessante Infos hier.. Bin auch äußerst interessiert am Temperaturverhalten! @@premiumbasics Frage, für Leute die eine fähige CNC-Fräse besitzen und sich sowas gern antun: wird es die Möglichkeit geben die CAD Daten zu erwerben, oder wegen der Gefahr (fernöstlicher) Nachbauten eher nicht? ..was ich auch verstehen könnte
Vielen Dank für Dein Kommentar! Zur zeit bin ich noch am überlegen ob ich die Dateien veröffentlichen soll, beim V0.1 beam hats 4 Monate gedauert und schon konnte man einen Fernöstlichen Nachbau bestellen. Andererseits gibt es von den 2.4 beams schon ein ähnliches produkt aus fernost…
Why not just mill the linear rail into one face?
You mean a aluminum rail?
Bending is not a single deformation mode. Torsional stiffness here is non-existent. For that you will either need a whole square profile or a 3D structure inside. This looks like a product of a designer and not an engineer, no offense. Just consult your mechanical engineer.
So if torsional stiffness is non-existent, this means you can (without effort) twist the beam to infinity ?
This looks promising. My only question is how much material is being wasted? Being able to salvage as much metal as possible could make this really profitable
Thanks, every aluminum chip will go back to recycling. It would be very wasteful if the material would be thrown away from such machining jobs…
Machinist here, it is common practice to sell waste metal to recycle centers. no point wasting money by throwing it away.
That smells like it's going to be rather expensive.
Yeah it won’t be cheap :/
It's definitely badass though, I'll give you that. I bet that took a _LOT_ of G-code.
It will be expensive but you really only need 1 of them so it probably isn't too bad.
Yes, Mamabot.io who mills the beams did put in much work and dedication :)
voron is a bad design if it needs parts like these
It does not need it.
hey, maschinebau studiert? :-)
Ne, n Maschinenbaustudent hätte wahrscheinlich nicht erst den „Alien“ Beam etworfen ^^
Да красиво, но смысл? Ему не летать в небе, а стоять на столе. Я бы вообще сварил из стали каркас
Beamhub