Topic: Tested Carbon Fiber PLA from Pproto-pasta

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This topic contains 4 replies, has 4 voices, and was last updated by Profile photo of BHudson BHudson 1 week ago.

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  • #13036
    Profile photo of Alain
    Alain @teleporteur
    My Robox is a Blue Commercial Version

    I tested this filament on some items.
    Print quality is very good quality, there is no retraction of the plastic.
    The layers hold very well, even on a large object like a statue, no crack occurred !!! which is not the case with ABS or PLA!

    WARNING !!! :
    The filament is abrasive, which use inside the extruder just across the switch that detects the presence of the filament …
    Result after printing, the machine see no more filament ….
    What a shame! it’s one of the best plastic I tested …

    photo : extruder used, one sample, and difference betewen ABS and carbon

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    #13051

    azri @azk13
    My Robox is a Blue Commercial Version

    The detail is astonishing but the damage is quite bad. Would oiling the tracks before using help?

    #13060

    Ian @datman

    Print looks excellent. Maybe the extruder needs to be case hardened?

    #13101
    Profile photo of Alain
    Alain @teleporteur
    My Robox is a Blue Commercial Version

    I filled the hollow with an adhesive resin.
    It works for now, but I no longer use this filament
    I’m afraid it uses the print head … it would be more problematic

    what is the opinion of engineers of Robox ???

    #13108
    Profile photo of BHudson
    BHudson @bhudson

    The abrasion issue is being addressed by Robox. I was the first to see it with Nylon filaments and then with BronzeFill from Colorfabb. The fix is being tested and will be issued as a fix once it is complete, per my information.

    Oiling will not help. The damage is caused by the tiny particles in the filament abrading the extruder sensor.

    So far I have printed lots of BronzeFill with no issues at the nozzle. The filament is hot when it goes through the nozzle so the abrasion force is reduced considerably.

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