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Print causes nozzle block


mark-hale

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Posted · Print causes nozzle block

I have just created a file with solidworks which loads fine in cura but when I go to print it on my Ultimaker2, pretty close to the start of the print a large blob of PLA gets placed on the bed and then blocks the head.

What is the best way to diagnose the issue, assume I need to look at the code.

Sorry totally new to this so venturing into uncharted waters

 

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    Posted · Print causes nozzle block

    Generally speaking, Repetier Host is a pretty good tool for visualizing gcode, but I don't think it really understands the new type of gcode that Cura generates for UM2's now. Particularly the convention of giving extrusion amounts in mm³, not mm of feed.

    If you'd like to post the gcode somewhere, or http://mailto:gcode@fbrc8.com, I'd be happy to take a look.

     

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    Posted · Print causes nozzle block

    As I just explained in my email back to Mark, for some reason there's a weird segment in the skirt, where the gcode suddenly blobs out an extra 200mm³ in one spot (remember: this is UM2, so E coords are mm³, not mm of filament), and then carries on as if nothing had happened:

    226: A Cura Oddity?

    I tried slicing his STL in 13.10 and couldn't reproduce it. So either, it's something about his version/settings that i didn't hit, or the file got corrupted somehow, I guess. Can't say I've ever seen this before.

     

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    Posted · Print causes nozzle block

    Many thanks for your help on this. For info, I tried removing CURA and then re installed it. Now when I look at that line, it is normal. Looks like I may have had a problem with the initial install of CURA.

    Had not altered settings since I installed the software and the only thing I can think of is I had a previous older version installed although notice that was installed in a different directory.

    Very odd, especially as this was the first file I have had a problem with. Gremlins I guess

    Good thing is im learning quite a bit now, first time I have looked at the code. Still very much a dark art at the moment but its a start :)

    Thanks again illuminarti

     

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