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extruder/ layer Grinding problem. Please Please HELP

Posted: Fri Jul 03, 2015 8:00 pm
by hansen644
Pic attached. Extruder gear keeps grinding filament ABS and PLA at all tempatures I have tried. Not sure what the problem is. Ideas? Also prints have lots of pimples as seen in the pictures. The grinding happens sometimes on the 3rd layer some times on the last few layers. No ryme or reason to when it starts to grind. Note: using no fan with ABS and the printer is a smartone 200. I have tried slicer, cura, and simplied 3d. all do the same thing.http://gallerywatches.com/images/DSC00941.JPG
http://gallerywatches.com/images/DSC00943.JPG

Re: extruder/ layer Grinding problem. Please Please HELP

Posted: Sun Jul 05, 2015 12:27 pm
by JoeJ
It looks like your nozzle is not extruding evenly. It's likely because of a jam or maybe incorrect idler tension between the filament and the drive gear. Also possibly bad or inconsistent filament.

Re: extruder/ layer Grinding problem. Please Please HELP

Posted: Thu Jul 09, 2015 6:41 am
by Rebekah_harper
are the picture the under side or the top?

Re: extruder/ layer Grinding problem. Please Please HELP

Posted: Thu Jul 09, 2015 10:29 am
by jimmybuckets
might be a combo of going too fast and your filament slipping when being fed into the hot end. Could be too much pressure on the filament and it grinding away at it or not enough and its just slipping.