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cbirer

tension feeder grinding

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Hi Ultimaker team,

 

I have some problems with the feeder tension. I have Ultimaker 2+. I already clean the feeder, change the bowden tube and change the nozzle. Everything is quite new now on this printer! I have some extrusion problem, I don t have the same amount of plastics distributed through time. I can see on the plastic inside the bowden tube that it is grinding. The tension is already at its lowest point. What should I do? Is the feeder a bit to old and is it time to change it? Thanks!

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If tension is too high you get grinding because it can't get a good bite into the filament.  If tension is too tight you can get grinding as well.  You want it right in the middle - half way down on the indicator.

 

Other things can cause grinding such as printing too fast or problems with the machine.  I wouldn't worry about it unless you are getting underextrusion on the part.

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