PLA Jams

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PLA Jams

Post by tom10122 » Mon Sep 24, 2012 7:43 pm

Finally got my printer printing pretty good, now I have jams though since it now prints long enough for them to come up, I took the fan from the 4-axis board (replaced with a 5in fan so no overheating) Made a simple bracket out of sheet metal and pointed the fan at the PEEK, Still have jams though,is the fan not goo enough>?

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Re: PLA Jams

Post by michaellatif » Mon Sep 24, 2012 8:02 pm

You are probably running the extruder too hot. I usually raise the temp until the extruder just feeds the filament out the nozzle.
Then I add a few degrees to that number and I have my temp for PLA.
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Re: PLA Jams

Post by Polygonhell » Tue Sep 25, 2012 4:26 pm

I agree with Michael, all the fan really has to do is disturb the air around the thermal break, it's not really providing cooling, just stopping convection from heating it.

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