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  1. #1
    Super Moderator curious aardvark's Avatar
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    Jul 2014
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    what slicer are you using ?

    To be fair I get a lot less stringing on my delta than on the makerbot clones.

    My retraction settings are 1.8mm and 60mm/s speed.
    I get zero stringing between multiple parts, and almost non within a print.

    You definitely look like you've got massive over extrusion going on there.
    Your print speed is really slow, I've defaulted to between 75-100mm/s for pla on mine. Once I've got a print cooling duct in place I'll see just how fast i can print pla. Can't see 150mm/s being out of reach :-)

    Have you checked you nozzle size ?
    Most delta kits seem to come with multiple sizes. I'm using the 0.5.
    Have you measured the diameter of extruded filament ?

    Also have you got a ptfe tube in the hotend, between the top of the nozzle and where the filament guide tube ends. If there's a gap and it's pushing through a 'pool' of melted pla, that could also give you irregular extrusion.
    Mine wouldn't extrude for more than a couple minutes before I added the tube. She hasn't looked back since.

  2. #2
    Currently, I am using Slicr with Repetier. Just completed a test with the speed turned up to 100mm/s. The issue is still present,. Watching the extruder tip closely it almost seems that the tip is dragging in the previous layer, if that makes sense, there is no pla on the extruder tip, which is a .4 to answer the previously asked question. The tip and pla measure correctly. There is a ptfe tube in the hotend. I'm going to attempt a print in Cura out of curiosity.

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