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Unanswered no filament movement

Discussion in 'Troubleshooting' started by crazyshakespeare, May 14, 2016.

  1. crazyshakespeare

    crazyshakespeare Member

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    Im praying the collective can help me with this one....

    So I have been printing without any issues since the printer arrived in November.Today on five different instances and at different points in the print, filament stops feeding. Thinking it might be a clog I ripped into,,,i was proven correct....problem fixed? wrong!!! Then check the tensioners, since the filament seems to be somewhat chewed....not that either. I then check temp...Im using ABS so I usually print around 225, so I move it up to 235 and start a new print....same thing happens. Im at a loss, I can push the filament out, so i know its not a clog or a temp issue....ive adjusted the tensioners to multiple positions....broke down the hotend and reinstalled, so I'm stumped. I hope someone out there might have a solution

    PS I thought about upgrading my hotted while it was broken down...but I guess that won't do me any good if the filament randomly stops feeding.
     
    #1 crazyshakespeare, May 14, 2016
  2. Geof

    Geof Volunteer Moderator
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    Does the extruded motor stop turning when it happens? Is the hobbled bolt full of filament?
     
    #2 Geof, May 17, 2016
  3. crazyshakespeare

    crazyshakespeare Member

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    I believe the Motor keeps moving and I know that the hobble is clean....even cleaned it a second time to make sure lol
     
    #3 crazyshakespeare, May 17, 2016
  4. Geof

    Geof Volunteer Moderator
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    And its not cutting a notch in the filament ?
     
    #4 Geof, May 17, 2016
  5. crazyshakespeare

    crazyshakespeare Member

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    it is cutting a notch in the filament and chewing it up slightly below it. I have adjusted it every which way
     
    #5 crazyshakespeare, May 17, 2016
  6. Geof

    Geof Volunteer Moderator
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    Sounds like a hotend jam holding you up. But possibly in the cold end. Is the small fan running ?
     
    #6 Geof, May 17, 2016
  7. crazyshakespeare

    crazyshakespeare Member

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    It will print....sometime 3/4 of the way then stop....would that still be a jam? The small can is running .
     
    #7 crazyshakespeare, May 17, 2016
  8. Geof

    Geof Volunteer Moderator
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    Hmmm. That is an odd one. Give me a sec i had better do some re reading
     
    #8 Geof, May 17, 2016
  9. Geof

    Geof Volunteer Moderator
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    Ok so it feeds filament fine then at random points during the print it stops feeling filament and the filament appears chewed.

    My absolute first thought is a partial or small jam, probably in the nozzle.
    Edit: does the flow out of the nozzle look even and nice or kind of thin

    I did have similar issues on a roll of petg that was oversized randomly. The bore of the hex is 1.8, anything higher than 1.77 and i had bad issues. Pull it out cut.off some start again and it would work until the big spots in the filament again.
     
    #9 Geof, May 17, 2016

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