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Extruder jam ?

Posted by Walther 
Extruder jam ?
July 29, 2014 11:14AM

I think the attached video show an extruder jam ?


The stepper motor started ticking over during a print, and I tried to start print again which is on the video (and quickly turned it off).

I have just purchased the machine and is starting to learn about 3D printing, but the only thing I know is that it is a MendelMax1.5, but is not enough to do a detailed search on the extruder.

I use 3mm PLA, that is from the end of a roll, so it is very curved.

Should I increase extrusion temperature, currently at 185 degrees ?

I have made a successful print:

Re: Extruder jam ?
July 31, 2014 10:46AM
So I just got some new filament from Faberdashy.

What I have found is that when the print goes fast (long stretches of infill), the little herring wheel on the E motor starts moving out of the larger wheel, until it finally starts ticking over.
I can help it a little if I manually help turn the larger wheel.

Is my temperature too low, or ?

Thank you,
Re: Extruder jam ?
July 31, 2014 11:10AM
Tried raising the temperature from 185 to 195,... did not really help.
Re: Extruder jam ?
July 31, 2014 12:45PM
Just took the extruder apart.
One of the bearings was jammed, and the main axis could hardly turn.

Not related to printing, sorry.

Thank you,
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