Jump to content

Ultimaker 2 Extended - Feeder keeps skipping


Recommended Posts

Posted (edited) · Ultimaker 2 Extended - Feeder keeps skipping

Feeder keeps skipping

Model: Ultimater 2 Extended

Hey guys,

I'm a little bit confused. After hours of printing suddenly the feeder of my Ultimaker 2 Extended started skipping: Video: https://drive.google.com/file/d/0B7KyR2ULRkeQa3U3VW1INGg1bms/view?usp=sharing

What I already tried:


  • --> doesn't skip, when the hose is not inserted
  • changed nozzles
  • changed the hardness of the feeder


Have you got any ideas to help me? Because actually this skipping causes the feeder to not transport the filament fluently, so that the prints come out bad.

Thank you

Werner Koch

Edited by Guest
  • Link to post
    Share on other sites

    Posted (edited) · Ultimaker 2 Extended - Feeder keeps skipping

    This is very common.  The stepper motor can only push so hard - about 5kg of force.  There can be many causes but seeing the incredible speed of that motor I'm guessing you are just printing too fast.  The hotter the filament is, the less viscous it is.  So at 190C the filament is more like toothpaste and at 240C PLA is more like honey.

    Did you change to a smaller nozzle size recently?  Did you change filaments recently (some PLA needs higher temperature)?  Is it possible you are now printing ABS and before PLA?

    Check all the printing speeds in cura - especially the infill speed (which should be zero):

    Here are my recommended top speeds for .2mm layers (twice as fast for .1mm layers) and .4mm nozzle:

    20mm/sec at 200C

    30mm/sec at 210C

    40mm/sec at 225C

    50mm/sec at 240C

    The printer can do double these speeds but with huge difficulty and usually with a loss in part quality due to underextrusion. Different colors print best at quite different temperatures and due to imperfect temp sensors, some printers print 10C cool so use these values as an initial starting guideline and if you are still underextruding try raising the temp. But don't go over 240C with PLA.

    What is your: print speed, nozzle size, layer height, printing temperature? Material? I want to see if you are within expected printing speed range.

    Edited by Guest
    • Like 1
    Link to post
    Share on other sites

    Create an account or sign in to comment

    You need to be a member in order to leave a comment

    Create an account

    Sign up for a new account in our community. It's easy!

    Register a new account

    Sign in

    Already have an account? Sign in here.

    Sign In Now
    • Our picks

      • Introducing the UltiMaker Factor 4
        We are happy to announce the next evolution in the UltiMaker 3D printer lineup: the UltiMaker Factor 4 industrial-grade 3D printer, designed to take manufacturing to new levels of efficiency and reliability. Factor 4 is an end-to-end 3D printing solution for light industrial applications
          • Thanks
          • Like
        • 3 replies
      • UltiMaker Cura 5.7 stable released
        Cura 5.7 is here and it brings a handy new workflow improvement when using Thingiverse and Cura together, as well as additional capabilities for Method series printers, and a powerful way of sharing print settings using new printer-agnostic project files! Read on to find out about all of these improvements and more. 
          • Like
        • 26 replies
    • Create New...