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IwanBeentjes

Changing nozzles 5S printcore

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A quick and maybe a "stupid" question.. But is it possible to change the nozzles on a S5 printcore ?

 

We had a clogged nozzle some weeks ago and struggled to unclog it properly, so we wanted to unscrew the nozzle on the printcore but this was really hard and I was scared of breaking it so we stopped 🙂 

 

P.S. nozzle is unclogged now after 20+ cold/hot pulls

 

Edited by IwanBeentjes

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51 minutes ago, IwanBeentjes said:

but this was really hard and I was scared of breaking it so we stopped 🙂

Good decision! The print core is not made to unscrew the nozzle and UM uses very high torque for the nozzle. So chances are high that you damage the print core or if you are successful that you get an oozing core after mounting the nozzle again.

 

So it is not recommended.

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18 hours ago, tomnagel said:

have you tried this?

 

https://ultimaker.com/en/resources/23132-clean-the-print-cores

 

I have yet to see the first case where disassembly is necessary. 

 

 

That's exactly what we did for 20+ times before all of the inside was clean (we used 70% brass filled filament for the first time in an 0.4 AA core) I can say out of experience that you need at least an 0.6 or even an 0.8 core for that material haha.

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1 hour ago, P3D said:

For brass fill, you probably shouldn't use the standard print cores anyway, as the nozzle will be abraded very quickly.

this is part of the reason i asked the question in the first place as well, because if it where easy and risk free to remove the nozzle from the print core I could replace the original nozzle with an more abrasive resistant nozzle. unfortunately this is not the case and the CC 0.6 core seems to be the best solution for printing with abrasive materials.

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I see. The 3DSolex HardCores would be another option, where you can do exactly that - change out the nozzles. They have a lot of options, including abrasive resistant ruby nozzles in various sizes. You'd have to make your own print profiles, of course, but judging from the thread about the XSTRAND GF30-PA6 profile you may have to do that in any case.

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