Duplicator 6 Spool Holder
Description
Update 7/11/2018: * I Made The Bearing Seat Tolerance Larger, Because The Bearings Still Fit Too Tight. They Can Be Hammered In With A Plastic Hammer Or Wooden Block, But It Would Be Better If They Just Fit. * I Gave The Centering Cones Some Grip On The Edges To Make Them Easier To Turn. * I Tapered The End Of The Centering Cones Thread So That It Is Easier To Get On. Notes: * Thread For The Centering Cones Is Left Hand (Backwards To Normal) This Is So That When The Spool Spins It Tightens Instead Of Loosening. * The Files Are 100% Size, You Must Compensate For Any Plastic Shrinkage In Your Slicer. I Printed This In Pla At 100% And It Was Fine. I May Make Tweaks As Time Goes On So Here Is The Fusion 360 Link: Https://A360.Co/2Mdpket Most Values Are Driven By Parameters So It Is Easy To Make Adjustments. This Spool Holder Fits The Duplicator 6 Or Monoprice Ultimate And Allows For Wider Spools To Turn Smoothly. It Reuses The Existing Nut. I Designed This To Have Better Axial Support For The Bearings And Minimal Parts. After Seeing This: Https://Www.Thingiverse.Com/Thing:2526942 I Updated My Version To Include A Threaded Retainer That Sandwiches The Spool In The Same Way. Hardware: 2X Skate Bearings 1X 5/16 - 6 Inch Carriage Bolt 1X 5/16 - 3/4 Inch Washer 1X 5/16 Nylon Nut Assembly: * Insert The Carriage Bolt Into The Threaded Base, It Is Indexed With A Square Cutout In The Plastic. * Add The Washer As A Spacer. * Slide On One Bearing And Fit The Large Outer Tube On Top. * Slide The Small Inner Tube Inside. * Fit The Last Bearing. * Add And Tighten The Nut. Your Should Adjust The Tension So That It Rolls But Not Too Fast. * Screw The Centering Cone On All The Way On And Off A Few Times To Chase The Threads And Make Them Smoother.
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