Jump to content
Ultimaker Community of 3D Printing Experts

Modified extruder knocking sound problem


kazzaqov
 Share

Recommended Posts

Posted · Modified extruder knocking sound problem

Hello everyone.

I have a modified extruder, not exactly sure what model is it, but looks similar to Airtripper's Bowden extruder (http://www.thingiverse.com/thing:35404)

So recently a problem appeared: extruder is making knock-like sound when printing. The one you would expect like if the speed is too fast, but the temperature is not high enough. When printing the first layers, good bed leveling might help, but to fix the extruder sound I need to lower the bed too much, so that the first layer would not stick at some places. And if I print with that sound, the nozzle often will jam and the print will fail. But the problem is, that this sound appears not only at the first layers, it continues to knock during whole print. I had no such problem with the extruder before, even when printing first layers too close to the bed. Tightening the screw on the extruder makes knocking faster. Untightening leads to underextrusion or filament slipping off the extruder. Tried different speeds and temperatures.

Here is a video:

Any ideas how to fix the extruder? Thanks in advance.

 

  • 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
     Share

    • Our picks

      • New here? Get ahead with a free onboarding course
        Hi,
         
        Often getting started is the most difficult part of any process. A good start sets you up for success and saves you time and energy that could be spent elsewhere. That is why we have a onboarding course ready for
        Ultimaker S5 Pro Bundle, Ultimaker S5, Ultimaker S3 Ultimaker 2+ Connect.   
        They're ready for you on the Ultimaker Academy platform. All you need to do to gain access is to register your product to gain free access. 
        Ready? Register your product here in just 60 seconds.
          • Like
        • 11 replies
    ×
    ×
    • Create New...