UHMW vs Delrin vs HDPE rail slides
26 Aug.,2023
Originally Posted by
sansbury
Originally Posted by
What are you doing using hardened 12mm rail? For a hobby machine you can use aluminum channel or gas pipe and get great results. Economizing is one thing, but Delrin rails just seem like the wrong way to do this to me. You can do it a much better way for the same or less cost.
Why is increasing contact area a benefit? It seems like all it would add is friction. You need bearings if you want to move faster, but they make building more complicated and add lots of opportunities for slop, misalignment, etc. Depending on what you're building they're overkill.
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