Re: Filament breaking in extruder if left overnight March 25, 2015 08:54AM |
Registered: 10 years ago Posts: 176 |
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dc42
Yesterday I fitted VortZA's modified extruder with the larger radius. After doing a test print I left the filament in overnight... and it didn't break!Since it usually does break, I am hopeful that this is at least a partial solution to the problem.
The pneumatic connector is also working well. It does allow a slight movement of the Bowden tube, which is evident during retraction/un-retraction cycles, so I may add another 0.5mm or 1mm or retraction in my slic3r config to allow for that.
VortyZA, thanks very much for doing those modifications to your design! I have printed out a second one, and I am just waiting for more pneumatic connectors to arrive in order to use it.
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dc42
I've now left a filament in the new extruder for 3 nights, and it hasn't broken. But it's a new roll of filament, so I've changed back to a roll that I know has caused problems in the past.
Re: Filament breaking in extruder if left overnight March 25, 2015 09:30AM |
Registered: 11 years ago Posts: 14,685 |
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VortyZA
I'm glad that the extruder is working fine for you. Is the movement of the Bowden tube due to the connector or the extruder block tolerances? If the movement is consistent for every retract/extrude cycle then it shouldn't be an issue, but if it's a little random, then I'm sure it'll affect your quality!
Re: Filament breaking in extruder if left overnight March 25, 2015 09:47AM |
Registered: 10 years ago Posts: 1,159 |
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dc42
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VortyZA
I'm glad that the extruder is working fine for you. Is the movement of the Bowden tube due to the connector or the extruder block tolerances? If the movement is consistent for every retract/extrude cycle then it shouldn't be an issue, but if it's a little random, then I'm sure it'll affect your quality!
It's due to the connector, and it appears to be consistent.
Re: Filament breaking in extruder if left overnight March 26, 2015 06:17PM |
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Re: Filament breaking in extruder if left overnight April 07, 2015 05:55AM |
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Re: Filament breaking in extruder if left overnight March 17, 2016 03:26AM |
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Re: Filament breaking in extruder if left overnight March 17, 2016 07:43AM |
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Re: Filament breaking in extruder if left overnight March 17, 2016 07:58AM |
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Re: Filament breaking in extruder if left overnight March 17, 2016 08:59AM |
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Re: Filament breaking in extruder if left overnight April 01, 2016 02:26PM |
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Re: Filament breaking in extruder if left overnight April 01, 2016 05:50PM |
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Re: Filament breaking in extruder if left overnight April 02, 2016 03:35PM |
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Re: Filament breaking in extruder if left overnight April 04, 2016 07:00AM |
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Re: Filament breaking in extruder if left overnight April 04, 2016 04:07PM |
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Re: Filament breaking in extruder if left overnight April 06, 2016 06:11AM |
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Re: Filament breaking in extruder if left overnight April 06, 2016 07:46AM |
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Re: Filament breaking in extruder if left overnight September 21, 2016 04:02AM |
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Re: Filament breaking in extruder if left overnight September 26, 2016 08:30AM |
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Re: Filament breaking in extruder if left overnight October 02, 2016 04:24AM |
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Re: Filament breaking in extruder if left overnight October 03, 2016 08:13AM |
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Re: Filament breaking in extruder if left overnight October 13, 2016 03:43AM |
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Re: Filament breaking in extruder if left overnight October 18, 2016 09:32PM |
Registered: 13 years ago Posts: 13 |
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Treito
As the hobbed insert is hardly available I am considering designing an Extruder with a MK8 insert.
Re: Filament breaking in extruder if left overnight October 19, 2016 01:00AM |
Registered: 11 years ago Posts: 14,685 |
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Vertikar
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Treito
As the hobbed insert is hardly available I am considering designing an Extruder with a MK8 insert.
Looks like you can still get them from reprapltd..
[reprapltd.com]
Re: Filament breaking in extruder if left overnight October 20, 2016 02:47AM |
Registered: 10 years ago Posts: 1,699 |