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Usuable materials with MMU2  

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Astroprinter
(@astroprinter)
Eminent Member
Usuable materials with MMU2

Hi,

I don't do much multicolor printing, as I mainly produce mechanical parts for different projects. However, I frequently switch material types and would like to know whether MMU2 will be useful for that purpose? Will it support materials like Nylon, PTFE, etc.?

Thanks for the help!

--
MK3

Publié : 12/11/2018 11:43 pm
nuroo
(@nuroo)
Reputable Member
Re: Usuable materials with MMU2

Hasn't been much experimentation with different filament types on here so far that I've seen. If filaments have similar temp ranges it should work better.

ie
PLA/TPU/PVA
or
PETG/ABS

Prusa MK3 > MK4s
Prusa MK2.5 kit > MK3 > MK3s > MK4s
Prusa SL1 3D printer + Curing and Washing Machine (day1 order)
Taz6 - taken apart for space
CR10s4 - upgrading
Delta 3ku - dont use

Publié : 13/11/2018 1:04 am
Flaviu
(@flaviu)
Estimable Member
Re: Usuable materials with MMU2

I am printing with PLA/PHA and BVOH. BVOH works very well (if dry) and PLA/PHA 95% of the time.

Publié : 13/11/2018 9:06 am
Daniel Novet
(@daniel-novet)
Eminent Member
Re: Usuable materials with MMU2

...also more a user with technical application here, looking for soluble materials...

So far I can say: If the tip of the retracted filament is formed right, the printer can handle all kind of different materials.
When I was still on the search for a useable PVA-profile and wasted half a spool of it in tests, I went from PLA with 215°C to PVA with 180°C and back. The time required to load and unload the filaments is long enough to handle that temperature-change, and mind you, once the filament is loaded, there's still the purge-tower getting filled. So temperature is definitely not the limiting factor here - it's the tip. If you get that right for the filaments you use, you're golden. If not - you might as well save the time of tweaking and play with something else instead...

Cheerio, Daniel

Publié : 19/11/2018 6:23 pm
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