Very nice PRUSA Nextruder Nozzle Box for MK4
 
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Very nice PRUSA Nextruder Nozzle Box for MK4  

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Antimix
(@antimix)
Reputable Member
Very nice PRUSA Nextruder Nozzle Box for MK4

I just printed this very nice PRUSA Nextruder Nozzle box. The cover is very tight and you need to file any imperfection to be able to close, but then is very nice.

It was printed without the MMU.

 

Posted : 19/08/2023 9:46 am
kengineer, SoCalNorseGod, MME and 1 people liked
ludodg
(@ludodg)
Estimable Member
RE: Very nice PRUSA Nextruder Nozzle Box for MK4

nice!!
Is it easy to switch nozzles?
(I know what prusa tells us ... you know, prusa, who also tells us printers will arrive "soon" 😉 😉 )

Posted : 22/08/2023 1:29 pm
Antimix
(@antimix)
Reputable Member
Topic starter answered:
RE: Very nice PRUSA Nextruder Nozzle Box for MK4

Yes, just do not follow the PRUSA instructions.... 🤣 

In practise, open the lid, unscrew the two black big screws, and then unscrew the nozzle while holding the heather block with your fingers or pliers.
Since I am using only full Nextruders and not the "compatibility" Nextruder, there is no risk of leaking PLA or contaminating the nozzle screw, so it is not require to tighten the screw too much.

The difference with the REVO is that the Nextruder is SCREWED to the heat block, while the REVO is just fitted since it is cylindrical, without any thread, and just slide out easily when you screw the upper part.
May be PRUSA decided to use a thread on the hot block in order differentiate their Nextruder, and to avoid copyright infringements with REVO.. 😎 
...or just because they though a strong bond through a thread transmit the heat more efficiently that a near contact with probably 0.3 mm air tolerance around.

Posted : 23/08/2023 11:28 pm
Antimix
(@antimix)
Reputable Member
Topic starter answered:
RE: Very nice PRUSA Nextruder Nozzle Box for MK4

I have found this nice tool on Printables to help to keep the parts steady during the change of the nozzle. 😉 

https://www.printables.com/model/624027-mk4-nextruder-nozzle-change-heater-block-clamp

Posted : 05/12/2023 11:30 am
GerryPB
(@gerrypb)
Member
RE: Very nice PRUSA Nextruder Nozzle Box for MK4

I printed one a few days ago. It was a perfect fit.

Posted : 06/12/2023 2:31 am
Marek
(@marek-9)
Member
RE: Very nice PRUSA Nextruder Nozzle Box for MK4

Looks Cool!

Posted : 13/12/2023 11:05 am
lornaroa60
(@lornaroa60)
Member
RE:

 

Posted by: @kengineer

Antimix,

Very good engineering and project management to get such good results. Your result shows you know your software and machine and are producing quality product. 

You may want to consider reducing the amount of contact to only several key places with a slight amount of clearance in most areas. Maybe 10mm planned contact on the corners that may need to be blended to mate instead of the entire perimeter? 

 

Thank you for recognizing our engineering and project management efforts. We'll explore optimizing contact points, aiming for efficient, quality results.

This post was modified 2 months ago by lornaroa60
Posted : 23/12/2023 8:18 am
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