Anet A8 Extruder squeaking / scratching fix bearing spacer ring
thingiverse
For squeaking extruders, insert it on the bearing screw inside the extruder. The squeaking happens because of friction between extruder and the bearing, and it can be fixed by separating them. However since this affects the bearing's position little bit and causes misalignment to the nozzle throat, more than 0.2mm thick is not recommended. Haven't tested for 0.15mm thick one, but it should work as well. In that video, the sharp squeak didn't happen. I couldn't catch it, sorry :( Designed for use with 0.3mm line thick and 0.2 or 0.15mm layer thick. Detailed explamentation : https://www.thingiverse.com/groups/anet-a8-prusa-i3/forums/general/topic:30119 Vid : https://youtu.be/xGflti2M6So
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