Originally Posted by
WoodNDust
First, thank you for taking a moment to share your experience.
When I look at Joes 2006 R2 design, I like everything overall, except the way the bearings ride along the side of the rails and the tensioning box. To me, (I could be wrong) this seems like the weak point in the design. Using the same pipe and skate bearings in an over/under bearing assembly like in the Y gantry seems like a better design.
As for pipe itself, have you done anything to it such as turn it true on a lathe or clean up with sandpaper, etc?
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