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Problem using no name PLA

glompos21

Problem using no name PLA
November 14, 2015 05:27PM

Registered: 8 years ago
Posts: 7

I have run over 4kg of eSun PLA without any problem. A friend gave me a generic PLA spool and i cannot make it complete a print.
The print starts ok but at some point stop exude plastic. Attached you can see what looks like the end of the filament when the printer
stop extruding. When i remove the problematic end and reinsert the filament, the printer extrude OK.

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Attachments:
open | download - problemExtruding.jpg (68.1 KB)

Theolodian

Re: Problem using no name PLA
November 15, 2015 04:53AM

Registered: 8 years ago
Posts: 155

I use Velleman which is much trickier than eSun. Try adding 5C to the extrusion temp, turn on coasting and reduce the retraction speed.

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glompos21

Re: Problem using no name PLA
December 22, 2015 02:35PM

Registered: 8 years ago
Posts: 7

I have reduce the retraction speed no success. I reduce to half the retraction length and it solve the problem until i started print a part with a lot of support material, so again the problem appear.
I decrease the extrusion multiplier from 0.95 to 0.90 and the problem was solved.
So the problem was that the filament was out of specs with bigger diameter >1.73mm.

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Theolodian

Re: Problem using no name PLA
December 24, 2015 01:55AM

Registered: 8 years ago
Posts: 155

Yeah, you have to check every reel. I have 6 reels at 1.75 and 1 at 1.80 - which is 7% off. The beauty of the web interface is that you can adjust the multiplier on the fly instead of having to re-slice everything for one colour.