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What's Wrong With Print?


tachyio
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Posted · What's Wrong With Print?

The bubbles are formed because the machine is desperately trying to get commands over USB, but fails due to the connection speed. The USB is a bit of a bottleneck, best is to slow down the print or use an SD card.

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    Posted · What's Wrong With Print?

    Thanks! That explains why the faster I print the more bumps (or pimples) I see! At first I thought that was when the z-stage moved down. How about the funny ridges running around the circumference? Any explanation for that? :)

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    Posted · What's Wrong With Print?

    Some use 250 baud to print, but I think you can do couple of things to get less pimple:

    1. Slow down (replicatorG can do that during a print)

    2. Close all programs except repG.

    3. Use an Ultimaker controller.

    The ridges is because of the "layer height". The lower the layer height, the less ribbles you see.

    2012-03-14+16.42.37.jpg

    Some experiments of mine, from left to right: 0.05mm, 0.03mm, 0.015mm.

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    Posted · What's Wrong With Print?

    Damn those look good! Your overhangs are so smooth, mine look like beards...I tried lowering temps to 185C and printing a custom cooler, but :/ still no luck...

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    Posted · What's Wrong With Print?

    I was thinking that we should compile a "Ultimaker print diagnostic kit" for everyone.

    So we all post our bad prints up, and the experts can critique them and provide solutions and then we compile a online manual of sorts.

    Is there such a project underway? :)

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    Posted · What's Wrong With Print?

    I started a sort of related thread viewtopic.php?f=7&t=699

    the idea here was to show prints that went wrong and what we did to fix them.

    it's a slightly different question from 'I have a bad print, what have I done wrong?' because there might be 100 possible answers to that

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