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alienrelics

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Posts posted by alienrelics

  1. 10 minutes ago, dcschooley said:

    Matterhackers NylonX (carbon-fiber + nylon) s good stuff.

     

    I've wondered if the carbon fiber really does much. The strength of carbon fiber is in the fibers crossing over each other, glued by the carrier. With filament 3D printing, no fibers cross layers. I can see it increasing wear resistance, but since the biggest potential weakness in filament 3D printing is between layers, does the carbon fiber really help the strength by a significant amount?

  2. If you inserted a steel needle into the nozzle, you may have distorted or widened it. That may be why your calibration is suddenly off.

    I am having a problem like yours after running my Ultimaker outside at the Seattle Mini Maker Faire, I am going to take the same steps except I'll use a piece of soft copper wire, if I run anything through the nozzle.

     

  3. I just finished my Ultimaker and in the process of tuning the plastic feed, it stopped feeding at all. The feeder ground into the side of the filament, and as reported here I could barely push it by hand.

    When I first got it working, I had to tighten the thumbwheel with what felt like a lot of force, or it would not feed. Now after printing only four objects (3 test 2mm cubes and a whistle) it stopped feeding 1/3 of the way into another 2mm test cube. It just chews into the filament.

    Does the PTFE tubing stay in the stock fittings? If not, what did you use?

    Edit: I'm using Cura, and this is the version of the feeder that is an allen head bolt.

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