All About Prusa Nextruder - Prusa XL - Chris's Basement - 2024

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Today we get up-close and personal with the Prusa Nextruder. We're going to take it apart, look at all the elements, and put it back together. Thanks to Dave Wilson for donating todays test subject.
00:00 Introduction
02:21 Disassembly
14:32 Assembly
33:00 Testing
37:38 Conclusion
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Nozzle tool:
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Prusa MK4 Nextruder assembly guide: help.prusa3d.com/guide/5-next...
Link to Planetary Alignment tool (in nextruder section):
www.printables.com/model/4515...
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Опубликовано:

1 июл 2024

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Комментарии : 77

@studeraustriagmbh603 4 месяца назад

Hi Chris, I really appreciate your always precise and accurate guidelines to maintain and repair . Your explanations are not only very helpful but in fully uncommercial sense which differentiate yourself from most of the other RU-vidrs presenting their ego more than adding any positive things for the open source and makers community ! Thank you indeed !

@ChrisRiley 4 месяца назад

That's so nice of you to say, thank you!

@HelgeKeck 4 месяца назад

you are the bob ross of 3d printer tutorials

@ChrisRiley 4 месяца назад

Lol! Thank you

@Visitante_3 2 месяца назад

Man the design and engineering process implied on this toolhead is far beyond from what we can see right now in other machines, great explanation

@ChrisRiley 2 месяца назад

Thanks you! I'm really liking working with them, so far so good.

@muddymaker3721 4 месяца назад

Thanks for your invaluable content to the 3D printing community Chris✌ Clear, concise and informative as always👍

@ChrisRiley 4 месяца назад

Thank you so much!

@francescodigiovanni4632 4 месяца назад

Hi Chris, your videos and explanations are very clear. Thank you.

@ChrisRiley 4 месяца назад

Happy to help! Thanks for watching

@danielmurphy992 Месяц назад

Thanks! This helped me out of a TPU disaster

@ChrisRiley Месяц назад

Happy to help! Thanks for watching!

@woodwaker1 4 месяца назад

Thanks Chris! I'm sure I caused many of the problems when I took it apart. I needed your video to put it back together. Glad I could provide a unit for you

@ChrisRiley 4 месяца назад

Thank you for the content Dave. I'm glad I could help

@GeekDetour 3 месяца назад

Hi Chris, thanks for the comprehensive demonstration, showing EVERYTHING! Man, this extruder has too much 3D Printed parts - the filament lever and the latch, Gee, I don't think that should be 3D Printed at all, those are SO SMALL.... I don't trust plastic as much as Joseph Prusa, ha ha ha.

@ChrisRiley 3 месяца назад

Thanks for your comment and thanks for watching!

@RowanCorbett 3 месяца назад

Very nice video! I’ve assembled both a MK4 and an XL Two Tool, but I was a little disappointed that the XL Nextruders came pre assembled. This is a great teardown and explainer that gives me quite a bit of insight on the variations between the two systems. Thanks so much, man!

@ChrisRiley 3 месяца назад

Thank you!

@Den-ml7zg 4 месяца назад

Damn that thing is huge. Another great vid.

@ChrisRiley 4 месяца назад

It's a big one! Thanks

@VincentGroenewold 4 месяца назад

Reaaaaally valuable, thanks so much! One thing for MK4 users; forget about taking off the wires each time, I find that super fiddly and it can definitely damage them (bit of a design oversight i.m.o.). There are plastic tools on Printables that allow you to simply unscrew the nozzle and take it out, the heater block is very light and wont put as much stress on those wires + changing nozzles becomes a breeze.

@ChrisRiley 4 месяца назад

Great tip! Thanks

@thehappyextruder7178 4 месяца назад

Awesome video Chris, and yes @27:27 very important to check these regularly throughout your maintenance sessions, you can get weird artifact if even one is loose.

@ChrisRiley 4 месяца назад

Thanks!

@michaelohmit5903 4 месяца назад

Thanks Chris for this awesome video. I just build my Prusa MK4. And I realize I missed the flat washer on the extruder motor. When I get time, I will fix it. But, thanks for the awesome video.

@ChrisRiley 4 месяца назад

Happy to help! Thanks for watching

@zimmy1958 4 месяца назад

Great vid Chris, I like the Nextruder. My first close look at the the toolhead style.

@ChrisRiley 4 месяца назад

Thanks Zimmy!

@dream-bits Месяц назад

Danke!

@ChrisRiley Месяц назад

Thank you!

@webfiles4utube 4 месяца назад

Super awesome and very detailed take disassembly and reassembly. Only concern I had was the grub screw tightness, the installation guide only indicates not to over tighten to prevent crushing and damaging the nozzle tube. Does the nozzle tube appear to have any deformation from the grub screw pressing on it with your setup?

@ChrisRiley 3 месяца назад

Thanks! That's something I have checked over and over, because I fear the same things. So far, I haven't seen any evidence of crushing.

@dream-bits Месяц назад

Great video sir. Can you please make an in-depth guide on how to assemble the MK 4 XL with 5 tool heads?

@ChrisRiley Месяц назад

I'll see what I can do!

@williamerskine6035 4 месяца назад

Super informative video, well done! You have a great presentation style. At 1:48 you mentioned that the lights on the XT extruder are also a pair of buttons and will load/unload the filament. I had to try it and there was no play in the 'buttons' when pressed and nothing happened. What's the scoop? Did you edit/speed up the ending scenes of the tool selection, homing movements etc? It seemed faster than mine.

@ChrisRiley 4 месяца назад

Thank you! At one time, they were buttons and they still have it in the manual. They are only used when the machine is in a certain state. I will go back and verify what that state is. And yes, that was sped up.

@MelSavageKiller 4 месяца назад

2 minutes in and i am already learning something new, who would have known they were buttons and not just status lights lol.

@duanehouck2919 4 месяца назад

I could be wrong, but I they are just lights on the XL Single tool.

@MelSavageKiller 4 месяца назад

I will check as mine is a single tool upgraded to a 5 tool@@duanehouck2919

@mirco485 4 месяца назад

I was also surprised and immediately tried it out on my MultiTool XL. Unfortunately, only the cover broke. I couldn't determine any function, not even when the extruder was heated up.

@ChrisRiley 4 месяца назад

🙂👍

@zilogfan 4 месяца назад

Awesome video and detial, I learned a few things. Also you missed a calibration where you loosen the drive outer gear and it rotates a bit while you snug them. I think it lets that locate a bit better just in case it is not concentric with the sun gear... It was part of the mk4 build and I assume same on xl...

@ChrisRiley 4 месяца назад

Thank you!

@magomat6756 4 месяца назад

My xl is just delivered so I am very intrested to learn

@ChrisRiley 4 месяца назад

That's great! Good luck!

@Kmakaot 4 месяца назад

Я не знаю когда я смогу себе позволить XL, но это было очень познавательно! 👍🏻

@ChrisRiley 4 месяца назад

Возможно когда-нибудь. Спасибо!

@StephenBoyd21 4 месяца назад

Prusa have certainly spent a lot of time designing the nextruder.

@ChrisRiley 4 месяца назад

🙂👍

@awilliams1701 4 месяца назад

It's interesting seeing the difference between the mk4 and the xl version.

@ChrisRiley 4 месяца назад

Yes!

@duanehouck2919 4 месяца назад

To be clear... this is the XL Multi-tool version of the extruder. The MK4 and the single tool XL are different.

@jakefromstatefarm8545 4 месяца назад

He said it was the xl toolhead version

@duanehouck2919 4 месяца назад

@@jakefromstatefarm8545Agreed, but he did not say it was the Multi Tool version and I thought it would be helpful to others who might be confused when their Nextruder does not match what he is showing.

@ChrisRiley 4 месяца назад

🙂👍

@johnnymac1976 4 месяца назад

It's interesting how the heater cartridge is pretty far away from the nozzle bore/threads with the thermistor between the two. Chris, is the hot-end copper?

@ChrisRiley 3 месяца назад

The heat block appear to be all aluminum, I could be wrong, but it seems way to light to be copper.

@C-M-E 4 месяца назад

While overall I can respect what Prusa's do for the community, one would assume that going into a certain price bracket with FDM printers would net you a better quality printer in the 'near commercial' workhorse sort. Personal opinion, I'm having a hard time seeing where the money goes with this model, especially in this segment. Going up just a little more would get you into very established commercial or even entry level industrial printers with high capability. Maybe I'm missing something fairly obvious?

@ChrisRiley 4 месяца назад

I don't have a lot of experience with commercial machines, but I would love to check some of them out. I think it would be helpful to have a frame of reference to compare.

@C-M-E 4 месяца назад

@@ChrisRiley Other than being able to run the specialty materials 24/7 and having a few of the niceties out of the box (primarily _high_ temp heated build chambers that feel like reaching into a broiler, water cooled mechanicals and on-call tech support), the one thing a commercial printer doesn't come with is guaranteed results, much like a regular home unit. They do tend to have a higher success rate, sure, but the fails also hurt more in terms of materials. I've seen engineers cry when 18 hour PEEK prints go bad, and that's not including the clean-up afterwards of some very aggressive filament that's a bit more difficult to clean from internals that your usual PLA nightmare. 😁 That's about all you're missing out on anymore. The difference in terms of speed has shrunk tremendously in recent years where I'm sure there's much faster printers in more home use than commercial offices and labs, all else being equal.

@75keg75 4 месяца назад

Did anyone see the Prusa video that dropped today with the box? The opening shot had a printer on the right. Did you see the right Z screw setup. It looked very different to anything i've seen before from Prusa. Thoughts on if it is a Mk4S? and it an updated nextuder.... or is that stock fit mark 4? @Chris Riley - the 5T XL arrives monday (26/2/24) and they didn't hit me for 5% duty so a bit cheaper (by~300) than I thought. so keep this vids coming :)

@duanehouck2919 4 месяца назад

@75keg75 Good catch! Now I'm really curious. I can't figure out what it would be.

@herr_rossi69 4 месяца назад

I don't think it's a new MK4. I don't see any differences except on the right z axle. And the part looks as if it was attached to the original screw connection. I have no idea what it is used for. I've only heard that a Prusa camera is coming.

@ChrisRiley 4 месяца назад

Awesome to hear about your XL! I didn't see that, I will have to go find it.

@3D_Printing 4 месяца назад

Plenty of details :) What no Cambus

@ChrisRiley 4 месяца назад

Thanks!

@ScienceMessiah 4 месяца назад

can this be DIY'd or are clones available? Would be nice to get a base XL and add cloned extruders as prusa's gotten pretty greedy.

@ChrisRiley 4 месяца назад

I'm sure clones will be coming soon enough.

@robgarner4728 4 месяца назад

For the price they are getting for these, it should work without fail for along time.

@duanehouck2919 4 месяца назад

So I agree that $2100 is a lot of money, but let's compare Apples to Apples: Voron 2.4 LDO Kit is almost $1500. The XL single tool is ~$2100 delivered. I have both and they both have their strengths. The Voron 2.4 kit takes a lot longer to assemble and you don't get support from LDO (admittedly, the support from the community is great, but not part of the price of the machine) and LDO didn't have to spend the time and money to develop the design. Also, with an XL, you get the Prusa ecosystem. So I do not see how the price is out of line with other printers. Prusa is far from perfect, but so is any 3d printing manufacturer.

@ChrisRiley 4 месяца назад

👍🙂

@awilliams1701 4 месяца назад

I think I like the xl version better than the mk4 version.

@ChrisRiley 4 месяца назад

👍🙂