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PLA stciking to Hotend?

Posted by JOEYG 
PLA stciking to Hotend?
August 13, 2017 01:55AM
Hey everyone, this might be a silly question, but should I polish or put some kind or high heat dry lubricant on the hot end? I notice that sometimes when the nozzle is moving around or done with a layer as it lifts the z to move to a new section some filament tends to stick to it. This causes mighty thin whispers of strings or bomb crater looking marks in the prints. I have retraction settings pretty good and the z axis is tuned so I'm guessing this could be from the flowrate being to much and maybe it floods up the side walls of the nozzle? Ether way is this just user error? Also coating the nozzle...silly idea?
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