Reply To: X/Y "stiffness" on centre assembly.

#17913
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Nate
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Someone in that thread – the guy that mentioned Ullrich – also says he’s been using aluminium for a while and it’s more rigid than steel, and he hasn’t noticed any kind of “grooving” in the rails.

-edit-

Oh look, someone here, using 6061 25mm od aluminium tubing (same as mine) and reporting MINIMAL WEAR after some time.

https://www.vicious1.com/forum/topic/mpcnc-version-2-opinions/#post-7469