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jwi_de

CR-10 Extruder Plate

by jwi_de Nov 3, 2017
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did not work for me the filament is stuck between the bearing and this printed part, so it is not touching the extruder gear.

what kind of filament? what kind of machine? The filament goes straight into the bowden and then it stucks between bearing and the printed part? At a cr-10? Nearly impossible...

I printed it out of PLA on the cr 10.
When I started my print the extruder gear was spinning without it touching the filament so it didn't push the filament through.
It is because on my printed part the gap between the bearing and the extruder was bigger than the width of the filament.
It may be just a bad print on my part but for me this design didn't work, it looked very cool though.

On your picture the lower left srew looks like the one that must be under the yellow part. The upper left srew looks right, the lower left must be the same as the upper left one...
If all is correct, the bearing must touch the extruder without filament. There is no space between the bearing and the extruder without load.

Thanks for pointing out I had my screws on the wrong spots.
But I don't think that it would any difference in the problem that the bearing is stuck against the PLA and not close enough to the extruder gear.
I think just printed it to hot and messed up the dimensions, to bad. I might try again later after I have fine tuned my machine.

Only as a hint: The extruder must be right in the middle between all four srews. If not - something is out of dimension. Good luck for the second try.
On the other hand, the wrong screw under the yellow part can be the reason for a wrong movement of the bearing. Maybe you can check this also. I know that even a loose screw can result a bad feeding because the bearing is not at the right place. We talk about a milimeter and less. The mounting of the yellow part has to do carefully - the screw of it must be fasten very well - but not too much - because otherwise the spring is not able to move the bearing in the right way. Its a bit tricky to find the right point for it. I found also that the spring is not very strong, after changing it to a "strong" one from the internet all works absolute well.
https://www.ebay.de/itm/4x-Extruder-Feder-Makerbot-Wade-Extruder-3D-Drucker-extrahart-Reprap-Ultimaker/292096469183?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649

This looks great. How come nobody is talking about it?