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PLA Help


classified

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Posted (edited) · PLA Help

Hello,

 

I recently bought about 10kg of 1.75mm pla from 3D printing Canada. The problem is that it has inconsistent filament diameter.  I measured the PLA with my caliper and got readings as high as 1.80mm. This is a problem because I have a 2 Bowden tube printers and one direct drive printer. The Pla works fine on the direct drive printer because there's no tube for the pla to get stuck in, but on the Bowden tube printers, there's a lot of friction and it prevents proper extrusion. Is there a way to fix this, so I can get proper extrusion on the Bowden printers? Would putting in 2.85mm for the filament size in cura help or is there something else I can do to achieve proper extrusion? 

 

Thanks in advance.

 

P.S:

I know it's the filament causing this because I disassembled and reassembled the whole hotend (and there were no clogs), I replace the Bowden tube, nozzle and thermistor, I updated the firmware, and I even formatted the Sd card. I found a roll of strong hero PLA which I used before and had no issues with, and I printed with that and it extrudes without problems. 

As I said before I have 10 rolls of the filament that is giving me problems on my Bowden tube printers and I would like to use it on my Bowden tube printers, not just the direct drive one. Is there a way to to this? Also, I just checked my printer, and it stopped extruding mid print (This is with the strong hero PLA). How do I fix this and why does this happen?   

Edited by classified
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    Changing 1.75 to 2.85 in Cura while still using 1.75 filament is a stupid idea! One thing for sure, prints will fail, and you have a chance of damaging your printer

     

    What brand of bowdentube are you using, I know Capricorn has 1.90 and 2.00mm inner diameter bowdentube, in both cases 1.8mm should be no problem...

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