Yet Another Ultimaker 2 Feeder - robspin
Description
The Ultimaker 2 Extended Came With A 2.85Mm Diameter Filament Feeder/Extruder And Attempting To Use 1.75Mm Diameter Filament Resulted In Many Failed Prints. This Is A Collection Of Upgrades That Allowed More Reliable Operation: Sfriedi Has A Combined |Robert| And Geeks Extruder Located At: Http://Www.Youmagine.Com/Designs/Yet-Another-Ultimaker-2-Feeder (Abbreviated Yaum2). ==>(This Is A Respin Of Sfriedi, So You Will Need To Download The Files From Yaum2.) I'Ve Added The Yaum2 Files To Make This Download Complete. There Are Only 3 Pieces Of The Complete Set That I Reworked: 1) A Modified |Robert| Extruder With "Yet Another Um2 Feeder" Modifications: A) Pulleys To Straighten The Filament Before Feeding It In B) A Grommet (Instead Of Bowden Tube) Filament Inlet Which Was Standard On Um2 (Sfriedi Has Only The Older Um Bowden Tube Version, So I Stole The Grommet Section From |Robert| To Update It.) 2) A Yoke With Built In Filament Feeder To Prevent Buckling Of Thinner 1.75Mm Filament And Embossed Lettering To Identify Length Of Yoke. (Alternative Is A Snap-On Guide, See Below) 3) An Integrated Wire-Capture Clamp On The Feeder Arm To Keep The Hot-End Wires Out Of The Way Of The Filament Separately I'Ve Added A Device To Manage The Unruly Filament On The Reels: 4) A Hanging Reel Filament Guide That Keeps The Filament From Springing Off The Reel And Then Knotting. Not Every Problem Is Solved--The 3Mm Filament Was Brittle And Near The End Of The Reel It Was Curved So Tightly That The Straightening Pulleys Snapped It. I Don'T Have A Solution Other Than Buying Fresher Filament. Perhaps An Electric Heating Pad Can Prewarm The Filament? History Footnote Here Is A List Of Other Helpful Designs That Inspired The Above Respin. Sfriedi Is A Respin Of |Robert| Extruder At: Https://Www.Youmagine.Com/Designs/Alternative-Um2-Feeder-Version-Two User Pmdude Integrated A 1.75Mm (And 2.85Mm) Filament Guide With The V6 Yoke Of Yaum2. Http://Www.Youmagine.Com/Designs/Um2-Iroberti-S-Feeder-V6-Yoke-And-Hub-With-Guide Alternatively There Is A Modified Snap-On Guide For 1.75Mm Filament: Http://Www.Thingiverse.Com/Thing:1147029 But You Can'T Use Both. Note: The "No_Print" Parts Are Used By Openscad To Construct The Stl Models.
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