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cdrose

Which hardened nozzle for U3?

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Hi,

 

I recently got my hands on the XT-CF20 - 2.85mm Colorfabb Filament and seen online that filament like this can be abrasive.

 

Which nozzle should I go for?

Should I buy a new print core with the hardened nozzle attached and only use this to print the "abrasive" materials?

 

Thanks!

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Yep, do NOT use the stock core or you will bore out the nozzle and wear down the tip. There is a third-party solution from 3d Solex that people use pretty successfully. You'll want to buy the HardCore EVERLAST Ruby Sapphire Nozzles for abrasives.

 

U.S. Supplier

https://thegr5store.com/store/index.php/um3upg.html

 

Info

http://3dsolex.com/product/um3-hardcore/

 

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I (thegr5store) only ship to USA so use 3dsolex.com or another reseller in europe (3dsolex posts a list of resellers if you click on the earth/globe symbol on the 3dsolex page).  Anyway you need not just a hardcore but you should get a sapphire nozzle to go with it.  The ruby/sapphire nozzles are called "everlast".  Don't buy a ruby nozzle meant for the UM2 - make sure you get one for the hardcore.

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There is no best of brand as people like many things about different brands.

 

There are brands with a good reputation all the way around. Colorfabb would be a great one, I have enjoyed filamentum, polymaker (even though I do not use the polysher), etc.

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If you are in the UK then I hear good things about faberdashery.  They sell by the meter instead of the Kg so it sucks for people who do 1.75mm filament.  But for 3mm filament that's not a problem.

 

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