Quote:
Originally Posted by vivek16
Sweet. That really is a neat linear bearing system. Where do you get the rollers?
Color me impressed.
-Vivek
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They're double sealed R4 ball bearings.
Quote:
Originally Posted by JesseK
Are the pieces that hold the bearings milled aluminum? I'm curious to know if it's possible to use a 3d printer to make them out of ABS plastic in a way that is perhaps as strong as aluminum. For a single stage lift I'd conjecture the stresses on those parts aren't too high when the lift is up under normal conditions, but I wonder about shock loading while the lift is up.
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Yes, they're aluminum. You could probably get away with it for the lateral supports, but I wouldn't trust a piece of plastic to do the job for the front-back bearings. Like you said, you can get a large shock load going through them.