QU-BD Z rod coupling
Description
The Z Axis Rod That Came With My Qu-Bd Oneup Kit Had The Hole Drilled Off Center And Not Inline With The Rod. This Caused The Entire Extruder Assembly To Move (Not In The Z Axis) As The Rod Spun, I Did Not Try To Print Before Making This Change But I Suspect This Would Cause Some Z Banding On The Vertical Sides Of The Print. Also I Did Not Like The Idea Of Using Lock Tight To Mount It To The Motor. I Used A Little Hot Glue But It Was Made To Be A Tight Fit So You Could Get Away With Not Using Any. A Added Advantage, If You Do Not Glue The Coupler To The Stepper Motor The Coupling Will Force Itself Off The Motor If The Z Axis Is Lowered To Far, Minimizing Damage. Ask Me How I Know:D 5-7-14 Added Requested Coupler For Motors With No Flat Ground In The Shaft, Reduced Diameter By .07Mm. No Guarantee That It Will Not Slip On The Shaft.
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