When we bought all the old Hiwin "Legacy" AG and LG about eight years ago, I didn't think we'd sell it all in my lifetime. I'm Kent with Automation Overstock, and since our name has come up here several times, I thought I'd chime in with a new slant on this. HIWIN 1mtr 20mm Linear Rail x2 + 4x HIWIN HGW20CA Carriages (Australia Only).any recomendations on the above rails, or known differences in accuracy between the two? 25 wall frame, 8" or 10" tall gantry, again.
I'll start an actual build log soon, post some drawings and dimensions, and credit the other builds I've been pulling ideas from, but basically I want to build a fairly sturdy steel welded machine - probably 4" square tube.
Overstock & surplus automation products: Linear Bearings/Rail, Heavy Duty Blocks/Rail Or, the heavy duty LG series rail (more expensive, and again, 25mm gets me the length with no splices, but smaller is cheaper): Overstock & surplus automation products: Linear Bearings/Rail, Medium Duty Blocks/Rail
For instance, on I've been thinking of either the AG, medium duty rails (either 25mm to get the length or maybe 25mm and look into a butt joint) But, I haven't been able to figure out the difference between some of the letters yet, or between the medium duty, and heavy duty rail. I have been searching all over for linear rails and blocks, and I've read through the FAQ on them, and gather they're super beefy generally and often people go larger than needed. I'm hoping to start a CNC build soon, along the lines of this:
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